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Suzuki M, Kuruma H, Kato K, Gota Y, Kase H, Fujimoto H, Nagashima R. Effect of short foot exercise on lower-limb motor control function during single-leg standing in university students with flatfoot: A randomized controlled trial. J Bodyw Mov Ther 2024; 39:293-298. [PMID: 38876641 DOI: 10.1016/j.jbmt.2024.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 12/01/2023] [Accepted: 02/25/2024] [Indexed: 06/16/2024]
Abstract
INTRODUCTION Intrinsic foot muscles (IFMs) play an important role in lower-limb motor control, including biomechanics and neuromuscular control function. Short foot exercise (SFE) and toe curl exercise (TC) are methods used to train the IFMs, but their effect on lower-limb motor control has not been reported in previous studies. This study evaluated the effects of SFE and TC on lower-limb motor control function during single-leg standing (SLS). TRIAL DESIGN Randomized control trial. METHOD Thirty-six participants with flatfoot were randomly assigned to the SFE or TC group and performed exercise for 8 weeks. The assessment items were navicular drop test, toe grip strength (TGS), plantar sensation, and SLS. In the SLS assessment, we measured the mean center of pressure (COP) amplitude in the anteroposterior (AP) and mediolateral (ML) directions, onset time of gluteus maximus (G. max) and gluteus medius (G. med), angle of forefoot/hindfoot protonation and hip adduction, and lateral pelvic shift. Mixed-model repeated-measures analysis of variance and Bonferroni corrections were performed in statistical analysis. RESULTS The SFE group showed significant differences between pre- and post-intervention for TGS (p < 0.001), COP ML (p = 0.039), and onset times of G. max (p = 0.015), and G. med (p < 0.001). The TC group showed no significant differences in all assessment items. CONCLUSION Our finding suggests that SFE contributes to lower neuromuscular control function in people with flatfoot. TRIAL REGISTRATION UMIN000049963.
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Affiliation(s)
- Misaki Suzuki
- Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University, Japan; Department of Rehabilitation, Seikei-kai Chiba Medical Center, Japan.
| | - Hironobu Kuruma
- Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University, Japan
| | - Kunihiro Kato
- Department of Rehabilitation, Seikei-kai Chiba Medical Center, Japan
| | - Yu Gota
- Department of Rehabilitation, Seikei-kai Chiba Medical Center, Japan
| | - Hiromu Kase
- Department of Rehabilitation, Seikei-kai Chiba Medical Center, Japan
| | - Hayato Fujimoto
- Department of Rehabilitation, Seikei-kai Chiba Medical Center, Japan
| | - Rento Nagashima
- Department of Rehabilitation, Seikei-kai Chiba Medical Center, Japan
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Melo SA, Macedo LDB, Bullhões LCC, Cavalcanti RL, Azevedo Rodolfo JID, Brasileiro JS. Effects of neuromuscular electrical stimulation on patellofemoral pain: A randomized controlled trial. J Bodyw Mov Ther 2024; 39:390-397. [PMID: 38876657 DOI: 10.1016/j.jbmt.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 02/13/2024] [Accepted: 03/11/2024] [Indexed: 06/16/2024]
Abstract
INTRODUCTION Patellofemoral Pain (PFP) is a common dysfunction that can compromise the performance of daily activities. Neuromuscular electrical stimulation (NMES) has been proposed as a complementary tool in the therapeutic approach. OBJECTIVE To analyze the effects of adding NMES to therapeutic exercises in women with PFP. METHODS Randomized controlled trial involving 34 women with PFP (mean age 23.8 ± 4.1), randomly assigned to two groups: exercises combined with NMES (ESG) and exercises only (ExG). The ExG followed an exercise protocol, while the ESG performed the same exercises combined with NMES. Interventions were performed twice a week for eight weeks. Primary outcome measures included pain and functional disability, while secondary outcomes encompassed electromyographic activity of the quadriceps and hip abductors, along with isokinetic performance. Assessments were performed before the intervention, after 4 and 8 weeks from the start of the protocol and 8 weeks after the conclusion of the treatment. RESULTS We did not observe difference between the groups in any of the analyzed variables. Both groups showed a reduction in pain and an improvement in functional disability during intragroup comparisons. CONCLUSION A reduction in pain and an improvement in functional disability were observed; however, there was no additional effect of NMES. TRIAL REGISTRATION NCT03918863.
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Affiliation(s)
- Samara Alencar Melo
- Department of Physiotherapy of the Federal University of Rio Grande do Norte, (UFRN), Av. Senador Salgado Filho, 3000, Lagoa Nova, Natal, RN, CEP: 59.078-970, Brazil.
| | - Liane de Brito Macedo
- Faculty of Health Sciences of Trairi of the Federal University of Rio Grande do Norte, (UFRN), Av. Rio Branco, S/N, Santa Cruz, RN, CEP: 59.200-000, Brazil.
| | - Lidiane Cristina Correia Bullhões
- Department of Physiotherapy of the Federal University of Rio Grande do Norte, (UFRN), Av. Senador Salgado Filho, 3000, Lagoa Nova, Natal, RN, CEP: 59.078-970, Brazil.
| | - Rafael Limeira Cavalcanti
- Department of Physiotherapy of the Federal University of Rio Grande do Norte, (UFRN), Av. Senador Salgado Filho, 3000, Lagoa Nova, Natal, RN, CEP: 59.078-970, Brazil.
| | - Jully Israely de Azevedo Rodolfo
- Department of Physiotherapy of the Federal University of Rio Grande do Norte, (UFRN), Av. Senador Salgado Filho, 3000, Lagoa Nova, Natal, RN, CEP: 59.078-970, Brazil.
| | - Jamilson Simões Brasileiro
- Department of Physiotherapy of the Federal University of Rio Grande do Norte, (UFRN), Av. Senador Salgado Filho, 3000, Lagoa Nova, Natal, RN, CEP: 59.078-970, Brazil.
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Brand A, Alexander N, Bauer L, Böhm H, Stief F, van Drongelen S, Wolf SI, Trinler U. [An update on clinical gait analysis : Current developments and applications]. ORTHOPADIE (HEIDELBERG, GERMANY) 2024; 53:494-502. [PMID: 38847874 DOI: 10.1007/s00132-024-04516-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/02/2024] [Indexed: 06/29/2024]
Abstract
The objective acquisition and assessment of joint movements and loads using instrumented gait analysis has become an established tool in clinical diagnostics. In particular, marker-based 3D gait analyses make use of an increasingly comprehensive database for the assessment of orthopaedic or neurological questions. Based on this data and medical-scientific experience, increasingly reliable approaches and evaluation strategies are emerging, which also draw on methods from artificial intelligence and musculoskeletal modelling. This article focusses on marker-based gait analyses of the lower extremity (hip, knee, foot) and how these can be used in a clinically relevant way using current methods, e.g. for determining indications or optimization of surgical planning. Finally, current developments and applications by using alternative methods from sensor technology and optical motion capture will be briefly discussed.
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Affiliation(s)
- Andreas Brand
- Institut für Biomechanik, BG Unfallklinik Murnau, Murnau, Deutschland
- Paracelsus Medizinische Privatuniversität Salzburg, Salzburg, Österreich
| | - Nathalie Alexander
- Labor für Bewegungsanalyse, Ostschweizer Kinderspital, St. Gallen, Schweiz
| | - Leandra Bauer
- Experimentelle Orthopädie, Universitätsklinikum Jena, Campus Eisenberg, Waldkliniken Eisenberg, Eisenberg, Deutschland
| | - Harald Böhm
- Orthopädische Kinderklinik, Behandlungszentrum Aschau gGmbH, Aschau im Chiemgau, Deutschland
- Fakultät Ingenieurwissenschaften und Gesundheit, Hochschule für angewandte Wissenschaft und Kunst Hildesheim/Holzminden/Göttingen, Hildesheim, Deutschland
| | - Felix Stief
- Klinik für Unfallchirurgie und Orthopädie, Universitätsklinikum, Goethe-Universität, Frankfurt am Main, Deutschland
- BG Service- und Rehabilitationszentrum, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Frankfurt am Main, Deutschland
| | - Stefan van Drongelen
- Dr. Rolf M. Schwiete Forschungsbereich für Arthrose, Klinik für Unfallchirurgie und Orthopädie, Universitätsklinikum Frankfurt, Goethe-Universität Frankfurt, Frankfurt am Main, Deutschland
| | - Sebastian I Wolf
- Klinik für Orthopädie, Universitätsklinikum Heidelberg, Heidelberg, Deutschland
| | - Ursula Trinler
- Andreas Wentzensen Forschungsinstitut, BG Klinik Ludwigshafen, Ludwig-Guttmann-Str. 13, 67071, Ludwigshafen, Deutschland.
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Ye B, Liu G, He Z, Xu J, Pan H, Zhu H. Biomechanical mechanisms of anterior cruciate ligament injury in the jerk dip phase of clean and jerk: A case study of an injury event captured on-site. Heliyon 2024; 10:e31390. [PMID: 38832262 PMCID: PMC11145241 DOI: 10.1016/j.heliyon.2024.e31390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 05/15/2024] [Accepted: 05/15/2024] [Indexed: 06/05/2024] Open
Abstract
Background Weightlifting exposes athletes to significant loads, potentially placing the knee joint in an abnormal mechanical environment and leading to anterior cruciate ligament (ACL) injuries. Once an ACL injury occurs, it can affect athletes' competitive ability to varying degrees and even prematurely end their career. Understanding the biomechanical mechanisms of ACL injuries in weightlifters helps in comprehensively understanding the stress patterns and degrees on ACL during human movement, and identifying potential injury-causing factors, thereby enabling the implementation of appropriate preventive measures to reduce the occurrence of injuries. This study aimed to explore the biomechanical mechanisms of ACL injuries during the jerk dip phase of clean and jerk in weightlifters, providing a theoretical basis for the prevention of ACL injuries in weightlifting sports. Methods This study utilized the German SIMI Motion 10.2 movement analysis system and the AnyBody simulation system to analyze the kinematic and dynamic parameters of a 109 kg + class weightlifter (height: 191 cm, age: 22 years, weight: 148 kg, athletic level: elite) performing a 205 kg clean and jerk (non-injured) and a 210 kg clean and jerk (ACL injury occurred). The differences in kinematic and dynamic indicators of lower limb joints under injured and non-injured jerk dip conditions were investigated. Results Knee joint torque during non-injured clean and jerk was consistently positive (i.e., external rotation) but turned from positive to negative (i.e., from external rotation to internal rotation) during injured clean and jerk and reached a maximum internal rotation torque of 21.34 Nm at the moment of injury. At every moment, the muscle activation and simulated muscle force of the quadriceps and gastrocnemius during the injured clean and jerk were higher than those during the non-injured clean and jerk. By contrast, the muscle activation and simulated muscle force of the semitendinosus, semimembranosus, biceps femoris, and soleus during non-injured clean and jerk were higher than those during injured clean and jerk. The knee joint internal rotation angle during injured clean and jerk first increased and then declined, reaching a peak at 46.93° at the moment of injury, whereas it gradually increased during non-injured clean and jerk. The proximal tibia on the left side during the injured clean and jerk moved forward faster by 0.76 m/s compared with that during the non-injured clean and jerk. Conclusions The small muscle activation and simulated muscle force of the hamstring and soleus could not resist timely and effectively the large muscle activation and simulated muscle force of the quadriceps (especially the medial quad) and gastrocnemius. As such, the force applied to the ACL could exceed its ultimate load-bearing capacity. Kinematic indicators in the athlete's injured lift demonstrated certain disparities from those in their non-injured lift. Knee internal rotation and tibial anterior translation during the jerk dip phase of weightlifting might be the kinematic characteristics of ACL injuries.
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Affiliation(s)
- Binyong Ye
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, 321000, China
| | - Gongju Liu
- Scientific Research Center & Laboratory of Aquatic Sports Science of General Administration of Sports China, Zhejiang College of Sports, Hangzhou, 311200, China
| | - Zhanyang He
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, 321000, China
| | - Jun Xu
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, 321000, China
| | - Huiju Pan
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, 321000, China
| | - Houwei Zhu
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, 321000, China
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Mizuno D, Otsuka S, Shan X, Umemoto K, Naito M. Variation in the origin of the plantar aponeurosis and its relationship to the origin of the abductor hallucis muscle. Clin Anat 2024. [PMID: 38581285 DOI: 10.1002/ca.24164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/21/2024] [Accepted: 03/28/2024] [Indexed: 04/08/2024]
Abstract
The plantar aponeurosis comprises medial, central, and lateral bands, which arise from the calcaneal tuberosity. Descriptions of the origin of the abductor hallucis vary among different textbooks. The central band and abductor hallucis muscles are related to the windlass mechanism. Given the uncertainties regarding the details of the origins of the central band and the abductor hallucis muscle, we examined those origins in 100 feet of 50 cadavers (25 males and 25 females) by dissection. There were three central band patterns, depending on the attachment sites of the origins of the central and lateral bands: Pattern Ia, the central band covers the lateral band completely; Pattern Ib, the central band covers part of the lateral band; Pattern II, the lateral band covers part of the central band. The origin of the abductor hallucis muscle was confirmed. It showed two types of variation: attachment type, originating from the central band; non-attachment type, not originating from the central band. Central band Patterns Ia, Ib, and II were found in 23 feet (17 males, 6 females), 24 feet (25 males, 28 females), and 24 feet (eight males, 16 females), respectively. Pattern Ia predominated in males and Pattern II in females. The attachment and non-attachment types of abductor hallucis muscle were observed in 28 feet (28%) and 72 feet (72%), respectively. The attachment type with Patterns Ia, Ib, and II was shown in 17 feet, 10 feet, and one foot, respectively. Thus, we revealed variation and sex differences in the central band, which could affect foot morphology and the efficacy of the windlass mechanism.
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Affiliation(s)
- Daisuke Mizuno
- Department of Anatomy, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Shun Otsuka
- Department of Anatomy, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Xiyao Shan
- Department of Anatomy, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Kanae Umemoto
- Department of Anatomy, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Munekazu Naito
- Department of Anatomy, Aichi Medical University School of Medicine, Nagakute, Japan
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Kamel AM, Ghuiba K, Abd Allah DS, Fayaz NA, Abdelkader NA. Effect of adding short foot exercise to hip and knee focused exercises in treatment of patients with patellofemoral pain syndrome: a randomized controlled trial. J Orthop Surg Res 2024; 19:207. [PMID: 38561773 PMCID: PMC10983661 DOI: 10.1186/s13018-024-04688-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 03/16/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Patellofemoral pain syndrome is considered a common cause of anterior knee pain that could disturb function and limit daily activities. The purpose of the study was to investigate the effect of adding short foot exercise on pain, function, balance, and hip abductors, and quadriceps muscles strength in the treatment of patients with patellofemoral pain syndrome. METHODS Twenty-eight male and female patients with patellofemoral pain syndrome with age ranged from 18 to 35 years old participated in this study. They were equally and randomly assigned into two groups; the study group which received short foot exercise in addition to hip and knee exercises (n = 14) and thecontrol group which received hip and knee exercises only (n = 14). Participants received their interventions during 6 consecutive weeks (12 sessions). Pain intensity, function, abductors quadriceps muscle strength, and balance were assessed using the Visual Analog Scale, anterior knee pain scale (AKPS), hand-held dynamometer, and the Biodex Balance System respectively. All measurements were taken before and after 6 weeks of intervention in both groups. Multivariate analysis of variance was performed to compare the within and between groups effects for measured variables. RESULTS The within-group comparison showed significant improvement in pain severity, function, balance, and hip abductors, and quadriceps muscles strength in both groups post-treatment compared with pre-treatment. Between groups analysis, however, showed no significant statistical difference between both groups in all variables, except in pain, function, and mediolateral stability which showed better improvement compared to the control group. CONCLUSIONS Adding short foot exercise to hip and knee exercises improved pain, function, and mediolateral stability in patients with patellofemoral pain syndrome. TRIAL REGISTRATION clinicaltrials.gov. NO: NCT05383781. Date 19/ 5/2022.
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Affiliation(s)
- Abdallah Mohamed Kamel
- Department of Physical Therapy for Musculoskeletal disorders and its Surgeries, Faculty of Physical Therapy, Cairo University, Giza, Egypt
| | - Karim Ghuiba
- Department of Physical Therapy for Musculoskeletal disorders and its Surgeries, Faculty of Physical Therapy, Cairo University, Giza, Egypt
| | - Dina S Abd Allah
- Department of Physical Therapy for Musculoskeletal disorders and its Surgeries, Faculty of Physical Therapy, Cairo University, Giza, Egypt
| | - Nadia Abdelazem Fayaz
- Department of Physical Therapy for Musculoskeletal disorders and its Surgeries, Faculty of Physical Therapy, Cairo University, Giza, Egypt
| | - Nasr Awad Abdelkader
- Department of Physical Therapy for Musculoskeletal disorders and its Surgeries, Faculty of Physical Therapy, Cairo University, Giza, Egypt.
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RostamiAnhar S, Roshani S, Dangharalou MM, Hesar NGZ. The effect of hip abductor strengthening exercises on lower limb strength asymmetry and balance in women with multiple sclerosis: A randomized controlled clinical trial. Mult Scler Relat Disord 2024; 84:105505. [PMID: 38368747 DOI: 10.1016/j.msard.2024.105505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/04/2024] [Accepted: 02/14/2024] [Indexed: 02/20/2024]
Abstract
INTRODUCTION Patients with multiple sclerosis tend to use and move their body segments in an unbalanced way, which causes asymmetry of muscle strength, especially in the lower limbs. Among these muscles, the hip abductor muscles play a more important role in stabilizing the pelvis and maintaining balance. The purpose of this research was to investigate the effect of hip abductors exercises on lower limb strength asymmetry and balance in people with multiple sclerosis. MATERIALS & METHODS In this clinical trial with a pre-test-post-test design, 40 women with multiple sclerosis were purposefully selected and randomly divided into experimental and control groups. The experimental group performed hip abductor muscle strengthening exercises for 8 weeks and each session lasted 30 min. The control group did not receive any intervention and continued their daily activities. The strength of knee flexors and extensors, plantar-flexors and ankle dorsi-flexors was measured using a dynamometer. Static and dynamic balance was also evaluated using the stork test and timed get up and go test, respectively. ANCOVA test was used at a significance level of 0.05 to investigate the intergroup effects. RESULTS The results showed a significant decrease in the strength asymmetry of the knee extensor (P = 0.001) and knee flexor (P = 0.001) muscles in the experimental group. However, no significant difference was observed in the asymmetry of the strength of the ankle dorsi-flexor (P = 0.160) and plantar-flexor muscles (P = 0.698). The results also showed a significant improvement in static (P = 0.001) and dynamic balance (P = 0.001) in the experimental group. DISCUSSIONS & CONCLUSIONS Strengthening the hip abductors improves the symmetry of the strength of the knee extensor and flexor muscles. It also improves the balance of people with multiple sclerosis.
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Affiliation(s)
- Sana RostamiAnhar
- Master of Corrective Exercise and Sports Injuries, Department of Exercise Physiology and Corrective Exercise, Faculty of Sports Sciences, Urmia University, Urmia, Iran
| | - Sajad Roshani
- Assistant Professor of Corrective Exercise and Sports Injuries, Department of Exercise Physiology and Corrective Exercise, Faculty of Sports Sciences, Urmia University, Urmia, Iran.
| | - Mehri Mohammadi Dangharalou
- Assistant Professor of Corrective Exercise and Sports Injuries, Department of Exercise Physiology and Corrective Exercise, Faculty of Sports Sciences, Urmia University, Urmia, Iran
| | - Narmin Ghani Zadeh Hesar
- Assistant Professor of Corrective Exercise and Sports Injuries, Department of Exercise Physiology and Corrective Exercise, Faculty of Sports Sciences, Urmia University, Urmia, Iran
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Carvalho C, Viadanna Serrão F, Felipe Martinez A, Da Silva Serrão PRM. Three-dimensional kinematics of the trunk, pelvis, hip, and knee during the single-leg squat and hip torque in subjects with isolated patellofemoral osteoarthritis compared to individually matched controls: Preliminary results. Arch Rheumatol 2024; 39:33-45. [PMID: 38774690 PMCID: PMC11104754 DOI: 10.46497/archrheumatol.2024.9814] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 03/22/2023] [Indexed: 05/24/2024] Open
Abstract
Objectives: This study aimed to compare three-dimensional kinematic of the trunk, pelvis, hip, and knee during the single-leg squat and hip torque in individuals with and without isolated patellofemoral osteoarthritis (PFOA). Patients and methods: This cross-sectional study evaluated trunk, pelvis, hip, and knee kinematics at 30°, 45°, and 60° knee flexion during the single-leg squat using the Vicon motion capture and analysis system, the Nexus System 2.1.1, and 3D Motion Monitor software. Sixteen individuals (8 males, 8 females; mean age: 49.3±6.2 years; range 40 to 61 years) participated in the study, of which eight were PFOA patients and eight were healthy controls. Isometric hip abductor, extensor, and external rotator torques were evaluated using a handheld dynamometer. Results: The PFOA group exhibited greater hip adduction at 30° (p=0.008), 45° (p=0.005), and 60° (p=0.008) knee flexion in the descending phase of the single-leg squat, as well as at 60° (p=0.009) and 45° (p=0.03) knee flexion in the ascending phase. No significant differences were found between groups for other kinematic variables (p>0.05). The PFOA group exhibited lower isometric hip abductor (p=0.02), extensor (p <0.001), and external rotator (p=0.007) torques. Conclusion: Individuals with PFOA exhibited excessive hip adduction that could increase stress on the lateral patellofemoral joint at 30°, 45°, and 60° knee flexion during the single-leg squat and exhibited weakness of the hip abductors, extensors, and external rotators in comparison to healthy controls.
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Affiliation(s)
- Cristiano Carvalho
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Fábio Viadanna Serrão
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil
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Wang W, Qiu F, Han Y, Li X, Komnik I, Viellehner J, Wang S, Potthast W. The effect of marathon running on the lower extremity kinematics and muscle activities during walking and running tasks. J Sports Sci 2024; 42:365-372. [PMID: 38507567 DOI: 10.1080/02640414.2024.2332865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 03/13/2024] [Indexed: 03/22/2024]
Abstract
Patellofemoral pain syndrome (PFPS) is a common injury among runners, and it is thought that abnormal lower extremity biomechanics contribute to its development. However, the relationship between biomechanical changes after a marathon and PFPS injury remains limited. This study aims to investigate whether differences in knee and hip kinematics and lower extremity muscle activities exist in recreational runners before and after a marathon. Additionally, it aims to explore the relationship between these biomechanical changes and the development of PFPS injury. 12 recreational runners participated in the study. Kinematics and muscle activities of the lower extremity were recorded during walking (5 km/h) and running (10 km/h) tasks within 24 hours before and within 5 hours after a marathon. After the marathon, there was a significant decrease in peak knee flexion (walking: p = 0.006; running: p = 0.006) and an increase in peak hip internal rotation (walking: p = 0.026; running: p = 0.015) during the stance phase of both walking and running compared to before the marathon. The study demonstrates a decrease in knee flexion and an increase in hip internal rotation during the stance phase of gait tasks after completing a marathon, which may increase the risk of developing PFPS injury.
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Affiliation(s)
- Wenjin Wang
- Institute of Biomechanics and Orthopedics, German Sport University Cologne, Cologne, Germany
- Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Fanghui Qiu
- Department of Physical Education, Qingdao University, Qingdao, China
| | - Yongjie Han
- Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai, China
- Laboratory of Biomechanics and Engineering, Innomotion, Shanghai, China
| | - Xiangming Li
- Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Igor Komnik
- Institute of Biomechanics and Orthopedics, German Sport University Cologne, Cologne, Germany
| | - Josef Viellehner
- Institute of Biomechanics and Orthopedics, German Sport University Cologne, Cologne, Germany
| | - Shaobai Wang
- Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Kinesiology, Shanghai University of Sport, Shanghai, China
- Laboratory of Biomechanics and Engineering, Innomotion, Shanghai, China
| | - Wolfgang Potthast
- Institute of Biomechanics and Orthopedics, German Sport University Cologne, Cologne, Germany
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Haghighat F, Rezaie M, Ebrahimi S, Shokuhian SM, Motealleh A, Salehi R, Parnianpour M. The Correlation between Intersegmental Coordination Variability and Frontal Plane Hip Kinematics during Running in Persons with Patellofemoral Pain. J Biomed Phys Eng 2024; 14:89-98. [PMID: 38357605 PMCID: PMC10862119 DOI: 10.31661/jbpe.v0i0.2101-1262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 04/15/2021] [Indexed: 02/16/2024]
Abstract
Background Despite the existing evidence indicating altered hip kinematics as well as the studies showing altered movement coordination variability in persons with patellofemoral pain (PFP), there is no study investigating the correlation between hip joint kinematic and movement coordination variability in persons with patellofemoral pain (PFP). Objective This study aims to evaluate the correlation between peak hip adduction and variability of thigh frontal-shank transverse coordination during running in persons with PFP. Material and Methods In this cross-sectional correlational study, kinematic data were collected from 34 females (17 with and 17 without PFP) aged 18-35 years during treadmill running at preferred and fixed speeds, each for 30 s. The continuous relative phase method was used to calculate the coordination of thigh frontal-shank transverse. To calculate the deviation phase as the variability of intersegmental coordination, the standard deviation of the ensemble continuous relative phase curve points was averaged. The parameters of interest were peak hip adduction and coordination variability of thigh frontal-shank transverse. The Pearson Correlation Coefficient (r) was used to calculate the correlation between the variables. Results The Pearson correlation coefficient showed a significant negative correlation between the peak hip adduction angle and variability of thigh frontal- shank transverse during running at both fixed (r=-0.553, P<0.05) and preferred (r=-0.660, P<0.01) speeds in persons with PFP while the control group showed a small nonsignificant correlation (r<0.29, P>0.05). Conclusion The results indicated that greater adduction of the hip joint in persons with PFP during running is contributed to lesser variability of thigh frontal-shank transverse.
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Affiliation(s)
- Farzaneh Haghighat
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammadreza Rezaie
- Rehabilitation Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Samaneh Ebrahimi
- Rehabilitation Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Physical Therapy, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Alireza Motealleh
- Rehabilitation Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Physical Therapy, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Salehi
- Department of Physical Therapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Mohamad Parnianpour
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
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11
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Mohamadi M, Meftahi N, Javidi-Alsaadi P. Comparison of tactile acuity between patients with chronic patellofemoral pain with central sensitization and healthy persons: A cross-sectional study. Physiother Theory Pract 2024:1-7. [PMID: 38165123 DOI: 10.1080/09593985.2023.2300040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Patellofemoral pain (PFP) is a common multifactorial condition in young and physically active people. OBJECTIVE The occurrence of central sensitization may play an important role in sensory disturbance. This study was designed to investigate, in patients with chronic PFP, the presence of disturbances in tactile acuity with central sensitization. METHODS Thirty patients with chronic PFP and 30 matched healthy controls entered this cross-sectional study. Graphesthesia (numerical score), two-point discrimination (mm), and point-to-point sensation (mm) were assessed in all participants. RESULTS The results of between-group comparisons showed that there were significant differences between the involved knee in patients with chronic PFP and healthy participants in graphesthesia (median = 13 [case], 19 [control]; p < .001), two-point discrimination (median = 25.8 [case], 20.3 [control]; p < .001), and point-to-point sensation (median = 14.5 [case], 6.2 [control]; p < .001). There was also a significant difference in graphesthesia between the non-involved knee in patients with chronic PFP and healthy participants (median = 17 [case], 19 [control]; p = .003). The results of within-group comparisons revealed a significant difference in graphesthesia, two-point discrimination, and point-to-point sensation between the involved and non-involved knee in patients with chronic PFP (p < .001). Moreover, there was a positive correlation between two-point discrimination and pain in patients with chronic PFP (r = 0.446, p = .014). CONCLUSION The findings of this study reveal that there is a sensory deficit in patients with chronic PFP. Because sensory information is necessary for motor control and pain perception, we can assume that clinical symptoms in these patients are related to sensory deficits.
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Affiliation(s)
- Marzieh Mohamadi
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Fars, Iran
| | - Narges Meftahi
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Fars, Iran
| | - Pouria Javidi-Alsaadi
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Fars, Iran
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12
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Dimitriou D, Meisterhans M, Geissmann M, Borpas P, Hoch A, Rosner J, Schubert M, Aguirre J, Eichenberger U, Zingg PO. The effect of experimentally induced gluteal muscle weakness on joint kinematics, reaction forces, and dynamic balance performance during deep bilateral squats. J Orthop Res 2024; 42:164-171. [PMID: 37309814 DOI: 10.1002/jor.25644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/19/2023] [Accepted: 05/26/2023] [Indexed: 06/14/2023]
Abstract
Squatting is a common daily activity and fundamental exercise in resistance training and closed kinetic chain programs. The aim of this study was to investigate the effects of an experimentally induced weakness of the gluteal muscles on joint kinematics, reactions forces (JRFs), and dynamic balance performance during deep bilateral squats in healthy young adults. Ten healthy adults received sequential blocks of (1) branch of the superior gluteal nerve to the tensor fasciae latae (SGNtfl) muscle, (2) superior gluteal nerve (SGN), and (3) inferior gluteal nerve (IGN) on the dominant right leg. At the control condition and following each block, the participants were instructed to perform deep bilateral squats standing on two force plates. Hip, knee, ankle, and pelvis kinematics did not differ significantly following iatrogenic weakness of gluteal muscles. The most important finding was the significant differences in JRFs following SGN and IGN block, with the affected hip, patellofemoral, and ankle joint demonstrating lower JRFs, whereas the contralateral joints demonstrated significantly higher JRFs, especially the patellofemoral joint which demonstrated an average maximum difference of 1.43 x body weight compared with the control condition. When performing a deep bilateral leg squat under SGN and IGN block, the subjects demonstrated an increased center of pressure (CoP) range and standard deviation (SD) in mediolateral compared with the control condition. These results imply that squat performance changes significantly following weakness of gluteal muscles and should be considered when assessing and training athletes or patients with these injuries.
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Affiliation(s)
- Dimitris Dimitriou
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Michel Meisterhans
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Marina Geissmann
- Swiss Center for Movement Analysis, Balgrist Campus AG, Zurich, Switzerland
| | - Paul Borpas
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Armando Hoch
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Jan Rosner
- Spinal Cord Injury Center, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Martin Schubert
- Spinal Cord Injury Center, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - José Aguirre
- Balgrist University Hospital, Department of Anesthesiology, Intensive Care and Pain Medicine, Balgrist University Hospital, Zurich, Switzerland
| | - Urs Eichenberger
- Balgrist University Hospital, Department of Anesthesiology, Intensive Care and Pain Medicine, Balgrist University Hospital, Zurich, Switzerland
| | - Patrick O Zingg
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
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13
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Dagnese F, Martins EDA, da Silva FS, Mota CB, Copetti F. Joint knee loads during squat with constant or variable resistance in males. A clinical trial. J Bodyw Mov Ther 2024; 37:392-398. [PMID: 38432835 DOI: 10.1016/j.jbmt.2023.11.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/30/2023] [Accepted: 11/24/2023] [Indexed: 03/05/2024]
Abstract
BACKGROUND In the squat movement, the use of constant resistance (CR) generates greater compression and shear forces close to 90° of knee flexion, increasing joint overload. However, when used variable resistance (VR) there is no consensus about the effect of knee joint load. The aim of this study was to compare knee torques using constant or variable resistance during the squat exercise. METHODS Twenty-one healthy male subjects (mean age, 24 [SD, 3] years; height, 1.76 [SD, 0.04] m), who practice squats during strength training routine. Were simultaneously record data from the platform force and tridimensional kinematic to obtain torques around knee. 15 repetitions were performed up to maximum knee flexion with the use of variable (RV) or constant (CR) resistance in a single session. RESULTS Significant differences regarding the angles only in the sagittal plane at the end of the ascending phase of the squat, with less knee extension in the VR condition. In the sagittal and frontal planes, lower values of extensor and abductor torque were found in the VR condition at the angles of greater knee flexion. CONCLUSION The use of variable resistance compared to constant resistance seems to be an alternative to be considered when the objective is to minimize the internal loads on the knee joint in exercises such as the squat in amplitudes of greater flexion. This study indicated that VR helps subjects who are learning the squat movement, enabling the application of this knowledge in physical therapy or physical training clinics.
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Affiliation(s)
- Frederico Dagnese
- Biomechanics Laboratory, Sports Centre, Federal University of Santa Catarina, Santa Catarina, Brazil; Biomechanics Laboratory, Physical Education and Sports Centre, Federal University of Santa Maria, Santa Maria, Brazil; Stúdio I - Pilates and Body Therapies, Santa Maria, Brazil.
| | - Elisandro de Assis Martins
- Biomechanics Laboratory, Physical Education and Sports Centre, Federal University of Santa Maria, Santa Maria, Brazil; Stúdio I - Pilates and Body Therapies, Santa Maria, Brazil.
| | - Fabrício Santana da Silva
- Biomechanics Laboratory, Physical Education and Sports Centre, Federal University of Santa Maria, Santa Maria, Brazil.
| | - Carlos Bolli Mota
- Biomechanics Laboratory, Physical Education and Sports Centre, Federal University of Santa Maria, Santa Maria, Brazil.
| | - Fernando Copetti
- Biomechanics Laboratory, Physical Education and Sports Centre, Federal University of Santa Maria, Santa Maria, Brazil.
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Pasquinelly A, Blood D, Elattar O, Hanna M. Optimal Sequence of Corrective Surgeries for Concomitant Valgus Knee and Rigid Pes Planus Deformities: The Knee-First Approach. Arthroplast Today 2023; 24:101265. [PMID: 38023651 PMCID: PMC10652122 DOI: 10.1016/j.artd.2023.101265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/08/2023] [Accepted: 10/14/2023] [Indexed: 12/01/2023] Open
Abstract
In patients requiring surgical correction of ipsilateral valgus knee and rigid pes planovalgus deformities, the optimal operative sequence is controversial. Growing evidence suggests these 2 deformities are related in etiology and interrelated in disease course. We present the case of a 72-year-old female with concomitant valgus knee and rigid pes planovalgus deformities successfully treated with total knee arthroplasty followed by triple arthrodesis and Achilles lengthening. Surgical correction of these deformities must be carefully planned between the operating surgeons to avoid over- or under-correction of alignment that could further impact gait. In contrast with the limited available literature, the authors recommend correction at the knee first and the foot and ankle second. Further prospective studies are needed to elucidate the best operative sequence in these patients.
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Affiliation(s)
- Adam Pasquinelly
- University of Toledo College of Medicine and Life Sciences, Toledo, OH
| | - Dalton Blood
- Department of Orthopedic Surgery, University of Toledo College of Medicine and Life Sciences, Toledo, OH
| | - Osama Elattar
- Department of Orthopedic Surgery, University of Toledo College of Medicine and Life Sciences, Toledo, OH
| | - Maged Hanna
- Department of Orthopedic Surgery, University of Toledo College of Medicine and Life Sciences, Toledo, OH
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15
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Nunes GS, de Oliveira J, Iacob GS, Signori LU, Diel AP, Schreiner R, Solner MW. Effectiveness of Interventions Aimed at Changing Movement Patterns in People With Patellofemoral Pain: A Systematic Review With Network Meta-analysis. J Orthop Sports Phys Ther 2023; 53:1-13. [PMID: 37707784 DOI: 10.2519/jospt.2023.11956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
OBJECTIVE: To summarize the effectiveness of interventions for changing movement during weight-bearing functional tasks in people with patellofemoral pain (PFP). DESIGN: Systematic review with network meta-analysis (NMA). LITERATURE SEARCH: Medline, Embase, CINAHL, SPORTDiscus, and Cochrane Library were searched from inception up to May 2023. STUDY SELECTION CRITERIA: Randomized controlled trials involving people with PFP and nonsurgical, nonpharmacological interventions on task kinematics were included. DATA SYNTHESIS: NMA was conducted for frontal knee movement data, and pairwise meta-analysis was used to pool data when NMA was not possible. Reduced movements were those changes that indicated movements occurring with less amplitude. The GRADE approach was used to grade the certainty of the evidence. RESULTS: Thirty-seven trials were included (n = 1235 participants). Combining knee/hip exercises with internal feedback had the strongest effect on reducing frontal knee movements (standardized mean difference [SMD] from NMA = -2.66; GRADE: moderate evidence). On pairwise comparisons, the same combination of interventions reduced frontal hip movements (SMD = -0.47; GRADE: moderate evidence) and increased sagittal knee movements (SMD = 1.03; GRADE: moderate evidence), with no effects on sagittal hip movements (GRADE: very low evidence), compared to knee/hip exercises alone. There was no effect for single applications of braces on the frontal knee movement (GRADE: very low evidence) and taping on movements of the knee, hip, and ankle (GRADE: very low to low evidence) compared to no intervention. CONCLUSION: Knee/hip exercises combined with internal feedback techniques may change knee and hip movements in people with PFP. The combination of these interventions can reduce frontal knee and hip movements, and can increase sagittal knee movements. J Orthop Sports Phys Ther 2023;53(12):1-13. Epub 14 September 2023. doi:10.2519/jospt.2023.11956.
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16
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Hong QM, Wang HN, Liu XH, Zhou WQ, Zhang X, Luo XB. Home-based exercise program and Health education in patients with patellofemoral pain: a randomized controlled trial. BMC Musculoskelet Disord 2023; 24:896. [PMID: 37980477 PMCID: PMC10657019 DOI: 10.1186/s12891-023-07027-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 11/07/2023] [Indexed: 11/20/2023] Open
Abstract
BACKGROUND Patellofemoral pain (PFP) is one of the most common disorders of the knee joint. Home-based exercise is an effective intervention to achieve self-management for chronic diseases. This study evaluated the effects of home-based exercise and health education in patients with PFP. METHODS Patients who had PFP were randomly allocated to an intervention group (IG) or control group (CG). Patients in the IG received a 6-week tailored home-based exercise program with health education via remote support, while patients in the CG group only received health education. Clinical outcomes were compared using the Anterior Knee Pain Scale (AKPS) to measure function and the Visual Analog Scale (VAS) to measure "worst pain" and "pain with daily activity". Muscle strength was measured according to the peak torque of the knee muscles using an isokinetic system. RESULTS Among a total of 112 participants screened for eligibility, 38 were randomized and analyzed, including 19 participants in the intervention group and 19 participants in the control group. There were no significant differences in baseline characteristics between the groups. At 6-week follow-up, the intervention group showed a greater worst pain reduction (between-group difference, -19.3 [95%CI, -23.2 to -15.5]; P < 0.01) and pain with daily activity (between-group difference, -22.9 [95%CI, -28.3 to -17.4]; P < 0.01) than the control group. Similarly, the intervention group had better improvements in AKPS (between-group difference, 9.0 [95%CI, 4.1 to 13.9]; P < 0.01) and knee extensor strength (between-group difference, 20.1 [95%CI, 14.5 to 25.8]; P < 0.01), compared to the control group. No adverse events were reported. CONCLUSION Home-based exercise and health education resulted in less pain, better function, and higher knee muscle strength compared with no exercise in patients with PFP. A large randomized controlled trial with long-term follow-up is required to confirm these findings. TRIAL REGISTRATION Chinese Clinical Trial Registry, ChiCTR2200056224 ( https://www.chictr.org.cn/showproj.aspx?proj=135506 ). Registered on February 1, 2022.
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Affiliation(s)
- Qiao-Mei Hong
- Department of Sport Medicine, Sichuan Province Orthopedic Hospital, Chengdu, Sichuan Province, China
| | - Hao-Nan Wang
- Faculty of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Xi-Hui Liu
- Department of Sport Medicine, Sichuan Province Orthopedic Hospital, Chengdu, Sichuan Province, China
| | - Wen-Qi Zhou
- Department of Sport Medicine, Sichuan Province Orthopedic Hospital, Chengdu, Sichuan Province, China
| | - Xiao Zhang
- Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada
| | - Xiao-Bing Luo
- Department of Sport Medicine, Sichuan Province Orthopedic Hospital, Chengdu, Sichuan Province, China.
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17
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Nunes GS, de Moraes WSLA, de Souza Sampaio V, Seda NR, Dos Santos Mouta G, Dangui AJM, de Souza Petersen R, Nakagawa TH. Indeed, Correlation Does Not Indicate Causation! J Orthop Sports Phys Ther 2023; 53:723-725. [PMID: 37908137 DOI: 10.2519/jospt.2023.0203-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Author response to the JOSPT Letter to the Editor-in-Chief "Lower-Limb Kinematics and Clinical Outcomes: Correlation Does not Imply Causality" J Orthop Sports Phys Ther 2023;53(11):723-725. doi:10.2519/jospt.2023.0203-R.
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18
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Brancati RJ, Hamill J, Jewell C, Boyer KA. A data mining approach for determining biomechanical adaptations in runners who experienced and recovered from patellofemoral pain syndrome. J Sports Sci 2023; 41:1971-1982. [PMID: 38303115 DOI: 10.1080/02640414.2024.2308419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 01/15/2024] [Indexed: 02/03/2024]
Abstract
Patellofemoral pain (PFP) is a common musculoskeletal pain disorder experienced by runners. While biomechanics of those with PFP have been extensively studied, methodological considerations may omit important adaptations exhibited by those experiencing and recovered from pain. Instead of a priori selection of discrete biomechanical variables, a data mining approach was leveraged to account for the high dimensionality of running gait data. Biomechanical data of runners symptomatic for, recovered from, and who had never experienced PFP were collected at the 1st (M1) and 21st (M21) minutes of a treadmill run. Principal component analysis and a logistic regression model were used to classify healthy and symptomatic runners, and a feature ranking process determined the important features. The M1 model achieved an accuracy of 82.76% with features related to knee flexion angle, hip abduction moment and gluteus maximus activation, while the M21 model required an additional nine features to achieve an accuracy of 79.31%. Data for recovered runners were projected onto the models, resulting in five and seven out of twelve symptomatic classifications at M1 and M21, respectively. Following the onset of pain, a greater number of features were required to classify runners with PFP, suggesting they may experience individual pain adaptation strategies.
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Affiliation(s)
- Ross J Brancati
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
| | - Joseph Hamill
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
| | - Carl Jewell
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
- Department of Biomechanics, ARCCA, Inc, Penns Park, PA, USA
| | - Katherine A Boyer
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
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19
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Morita ÂK, Navega MT. Activation, strength, and resistance: Which variables predict the kinematics of women with and without patellofemoral pain? J Bodyw Mov Ther 2023; 36:327-334. [PMID: 37949580 DOI: 10.1016/j.jbmt.2023.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/11/2023] [Accepted: 05/25/2023] [Indexed: 11/12/2023]
Abstract
INTRODUCTION Investigating the possible relationship between neuromuscular changes and movement alterations could help to describe the mechanisms underlying patellofemoral pain (PFP). OBJECTIVE To investigate whether activation and muscle strength of the trunk and lower limb and muscle resistance of the trunk predict the knee frontal and trunk sagittal kinematics in women with and without PFP. METHOD Sixty women (PFP, n = 30; asymptomatic, n = 30) underwent the single-leg squat test to collect electromyographic and kinematic data. Activation of transversus abdominis/internal oblique, gluteus medius (GMed), and vastus medialis oblique (VMO); knee frontal and trunk sagittal angles were analyzed. Participants also underwent maximal isometric tests to determine lateral trunk, hip abductor, and knee extensor torques and performed a lateral trunk resistance test. Multiple regression was used to determine predictive models. RESULTS In the PFP group, knee frontal angle (R2 = 0.39, p = 0.001) was predicted by GMed activation (β = 0.23, p = 0.000) and hip abductor torque (β = 0.08, p = 0.022). No variable was able to predict trunk sagittal kinematics in this group. In the asymptomatics, knee frontal angle (R2 = 0.16, p = 0.029) was predicted by hip abductor torque (β = 0.07, p = 0.029), while trunk sagittal angle (R2 = 0.24, p = 0.024) was predicted by VMO activation (β = 0.12, p = 0.016). CONCLUSION Kinematics is predicted by the muscles acting in the respective planes, such that hip abductors capacities are related to the knee frontal alignment in both groups, and that of the VMO is related to the trunk sagittal alignment only in asymptomatic women.
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Affiliation(s)
- Ângela Kazue Morita
- Postgraduate Program in Human Development and Technologies, Institute of Biosciences, São Paulo State University (UNESP), Avenue 24-A, 1515, CEP 13506-900, Rio Claro, São Paulo, Brazil; Center for Education and Health Studies, Faculty of Philosophy and Sciences, São Paulo State University (UNESP), Marília, São Paulo, Brazil.
| | - Marcelo Tavella Navega
- Postgraduate Program in Human Development and Technologies, Institute of Biosciences, São Paulo State University (UNESP), Avenue 24-A, 1515, CEP 13506-900, Rio Claro, São Paulo, Brazil; Physical Therapy and Occupational Therapy Department, Faculty of Philosophy and Sciences, São Paulo State University (UNESP), Marília, São Paulo, Brazil
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20
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Seidi F, Izadi M, Thomas AC, Bellafiore M. Lower limb muscle activation pattern in male soccer players with lumbar hyperlordosis. J Bodyw Mov Ther 2023; 36:263-269. [PMID: 37949570 DOI: 10.1016/j.jbmt.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/04/2023] [Accepted: 03/14/2023] [Indexed: 11/12/2023]
Abstract
OBJECTIVE the aim of the current study was to compare the lower limb muscle activation pattern in soccer players with and without lumbar hyperlordosis during single-leg squat performance. METHODS thirty male collegiate soccer players (15 with and 15 without lumbar hyperlordosis) performed the SLS task. Surface EMG was used to record the activation of eleven lower limb muscles. The activation of these muscles reduces to 100 points during the SLS cycle, where 50% demonstrates the maximum knee flexion, and 0% and 99% demonstrate the maximum knee extension. RESULTS soccer players with lumbar hyperlordosis had higher muscle activation than those with normal lumbar lordosis in gluteus maximus, biceps femoris, and medial gastrocnemius. By contrast, they had lower gluteus medius, vastus medialis oblique, rectus femoris, soleus, and medial gastrocnemius (only in the final ascent phase of the SLS) muscle activity than the normal group during the SLS. CONCLUSION this alteration may negatively affect targeted muscle performance during the SLS. Subsequent study is required to specify whether such an alteration in the lower limb muscle could be accompanied by injury in soccer players and change in their athletic performance.
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Affiliation(s)
- Foad Seidi
- Department of Health and Sports Medicine, Faculty of Physical Education and Sport Science, University of Tehran, Iran
| | - Mohammad Izadi
- Department of Health and Sports Medicine, Faculty of Physical Education and Sport Science, University of Tehran, Iran; Sport and Exercise Research Unit, Department of Psychology, Educational Sciences and Human Movement, University of Palermo, Palermo, Italy.
| | - Abbey C Thomas
- Department of Kinesiology at University of North Carolina at Charlotte, USA
| | - Marianna Bellafiore
- Sport and Exercise Research Unit, Department of Psychology, Educational Sciences and Human Movement, University of Palermo, Palermo, Italy
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21
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Samelis PV, Koulouvaris P, Savvidou O, Mavrogenis A, Samelis VP, Papagelopoulos PJ. Patellar Dislocation: Workup and Decision-Making. Cureus 2023; 15:e46743. [PMID: 38021800 PMCID: PMC10631568 DOI: 10.7759/cureus.46743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/30/2023] [Indexed: 12/01/2023] Open
Abstract
Acute patellar dislocation (PD) is usually a problem of adolescents and young adults. In most cases, it is a sports-related injury. It is the result of an indirect force on the knee joint, which leads to valgus and external rotation of the tibia relative to the femur. PD is unlikely to occur on a knee with normal patellofemoral joint (PFJ) anatomy. Acute PD consists of an acute injury of the ligamentous medial patellar stabilizers in the background of factors predisposing to patellar instability. These factors are classified into three groups. The first group refers to the integrity of the ligamentous medial patellar restraints, particularly, the medial patellofemoral ligament (MPFL). The second group refers to an abnormal PFJ anatomy, which renders the patella inherently unstable inside the trochlea. The third group refers to the overall axial and torsional profile of the lower limb and to systemic factors, such as ligament laxity and neuromuscular coordination of movement. PD at a younger age is associated with an increased number and severity of patellar instability predisposing factors and lower stress to dislocate the patella. Acute primary PD is usually treated conservatively, while surgical treatment is reserved for recurrent PD. The aim of treatment is to restore the stability and function of the PFJ and to reduce the risk of patellar redislocation. Surgical procedures to treat patellar instability are classified into non-anatomic and anatomic procedures. Non-anatomic procedures are extensor mechanism realignment techniques that aim to center the patella into the trochlear groove. Anatomic procedures aim to restore the PFJ anatomy (ruptured ligaments, osteochondral fractures), which has been severed after the first incident of PD. Anatomic procedures, especially MPFL reconstruction, are more effective in preventing recurrent PD, compared with non-anatomic techniques. Theoretically, all factors that affect PFJ stability should be evaluated and, if possible, addressed. This is practically impossible. Considering that the MPFL ruptures in almost all PDs, MPFL reconstruction is the primary procedure, which is currently selected by most surgeons as a first-line treatment for patients with recurrent PD. Restoration of the axial and torsional alignment of the lower limbs is also increasingly implemented by surgeons. Non-anatomic surgical techniques, such as tibial-tuberosity osteotomy, are used as an adjunct to anatomic procedures. In the presence of multiple PFJ instability factors, acute MPFL reconstruction may be the treatment of choice for acute primary PD as well. Skeletal immaturity of the patient precludes osseous procedures to avoid premature physis closure and subsequent limb deformity. Unfortunately, restoration of the patient's previous activity level or participation in more strenuous sports is questionable and not easy to predict. In the case of competitive athletes, PD may prevent participation in elite levels of sports.
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Affiliation(s)
- Panagiotis V Samelis
- Orthopaedics, Children's General Hospital Panagiotis and Aglaia Kyriakou, Athens, GRC
- Orthopaedics, Attikon University Hospital, Athens, GRC
| | - Panagiotis Koulouvaris
- Orthopaedic Surgery, National and Kapodistrian University of Athens School of Medicine, Athens, GRC
| | - Olga Savvidou
- Orthopaedics, Attikon University Hospital, Athens, GRC
| | - Andreas Mavrogenis
- Orthopaedics, National and Kapodistrian University of Athens School of Medicine, Athens, GRC
| | | | - Panayiotis J Papagelopoulos
- Orthopaedic Surgery, National and Kapodistrian University of Athens School of Medicine, Athens, GRC
- Orthopaedics, Attikon University Hospital, Athens, GRC
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22
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Forman DA, Alizadeh S, Button DC, Holmes MW. The Use of Elastic Resistance Bands to Reduce Dynamic Knee Valgus in Squat-Based Movements: A Narrative Review. Int J Sports Phys Ther 2023; 18:1206-1217. [PMID: 37795322 PMCID: PMC10547095 DOI: 10.26603/001c.87764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 08/17/2023] [Indexed: 10/06/2023] Open
Abstract
An elastic band wrapped around the distal thighs has recently been proposed as a method for reducing dynamic knee valgus (medial movement of the knee joint in the frontal/coronal plane) while performing squats. The rationale behind this technique is that, by using an external force to pull the knees into further knee valgus, the band both exaggerates the pre-existing movement and provides additional local proprioceptive input, cueing individuals to adjust their knee alignment. If these mechanisms are true, then elastic bands might indeed reduce dynamic knee valgus, which could be promising for use in injury prevention as excessive knee valgus may be associated with a greater risk of sustaining an ACL rupture and/or other knee injuries. Due to this possibility, certain athletic populations have already adopted the use of elastic bands for training and/or rehab, despite a limited number of studies showing beneficial findings. The purpose of this narrative review is to examine current literature that has assessed lower limb muscle activity and/or lower limb kinematics performance on squat-based movements with or without an elastic band(s). Importantly, this paper will also discuss the key limitations that exist in this area, propose suggestions for future research directions, and provide recommendations for training implementations. Level of Evidence 5.
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Affiliation(s)
| | - Shahab Alizadeh
- School of Human Kinetics and Recreation Memorial University of Newfoundland
| | - Duane C Button
- School of Human Kinetics and Recreation Memorial University of Newfoundland
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Sever O, Kır R, Baykal C, Akyildiz Z, Nobari H. Overhead squat assessment reflects treadmill running kinematics. BMC Sports Sci Med Rehabil 2023; 15:118. [PMID: 37737213 PMCID: PMC10515420 DOI: 10.1186/s13102-023-00725-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 09/05/2023] [Indexed: 09/23/2023]
Abstract
PURPOSE Overhead squat assessment (OHSA) is a pre-activity dynamic movement analysis tool used to define deviations from an ideal motion pattern which known as compensation. Compensatory movements may result from abnormality in myofascial activity, length-tension relationships, neuro-motor control strategies, osteokinematics and arthrokinematics. The aim of this study is to identify the association between selected biomechanical variables of the ankle, knee, hip, pelvis, torso during OHSA and 16 km/h treadmill running tasks. METHODS Thirteen national long distance male runners (17.3 ± 0.5 age (years); 5.89 ± 1.95 experience (years), 57.9 ± 3.7 body mass (kg); 175.4 ± 5.7 height (cm)) participated in this 2controlled laboratory study. Three-dimensional kinematics were collected at 250 Hz using a 9-camera Qualisys motion analysis system (Qualisys AB, Goteborg, Sweden) while participants performed 16 km/h treadmill running and OHSA tasks. RESULTS Correlation coefficients demonstrated that OHSA pelvic anterior tilt angle was in a positive association with foot strike (FS), mid-stance (MS), and toe-off (TO) pelvic anterior tilt angles and MS tibial internal rotation on talus, MS ankle pronation, MS hip internal rotation. OHSA pelvic anterior tilt angle was in a negative association with TO hip extension. OHSA maximal hip adduction was positively correlated with MS and stance maximal knee adduction. FS, MS, stance maximal angular dorsiflexion values were positively correlated with OHSA dorsiflexion. Increased OHSA dorsiflexion angle was negatively associated with TO plantar flexion. OHSA pronation was positively associated with MS and stance pronation. MS hip internal rotation, MS hip adduction angles were increased, and MS ankle dorsiflexion was significantly decreased with the increase of trunk forward lean relative to tibia during OHSA. CONCLUSIONS OHSA was associated with some important and dysfunction-related hip, knee and ankle kinematics. Running coaches, may use OHSA as an assessment tool before the corrective training plan to detect injury-related compensation patterns to reduce the risk of injury and improve running technique.
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Affiliation(s)
- Ozan Sever
- Sports Science Faculty, Atatürk University, Erzurum, Turkey
| | - Rıdvan Kır
- Physical education and sports department, Necmettin Erbakan University, Konya, Turkey
| | - Cihan Baykal
- Sports Science Department, Gazi University, Ankara, Turkey
| | - Zeki Akyildiz
- Sports Science Department, Gazi University, Ankara, Turkey
| | - Hadi Nobari
- Department of Exercise Physiology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, 5619911367 Iran
- Faculty of Sport Sciences, University of Extremadura, Cáceres, 10003 Spain
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Escamilla RF, Zheng N, Macleod TD, Imamura R, Wilk KE, Wang S, Yamashiro K, Escamilla IM, Fleisig GS. Patellofemoral Joint Loading during the Performance of the Wall Squat and Ball Squat with Heel-to-Wall-Distance Variations. Med Sci Sports Exerc 2023; 55:1592-1600. [PMID: 37057713 DOI: 10.1249/mss.0000000000003185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
INTRODUCTION Although bodyweight wall and ball squats are commonly used during patellofemoral rehabilitation, patellofemoral loading while performing these exercises is unknown, which makes it difficult for clinicians to know how to use these exercises in progressing a patient with patellofemoral pathology. Therefore, the purpose was to quantify patellofemoral force and stress between two bodyweight squat variations (ball squat vs wall squat) and between two heel-to-wall-distance (HTWD) variations (long HTWD vs short HTWD). METHODS Sixteen participants performed a dynamic ball squat and wall squat with long HTWD and short HTWD. Ground reaction force and kinematic data were used to measure resultant knee force and torque from inverse dynamics, whereas electromyographic data were used in a knee muscle model to predict resultant knee force and torque, and subsequently, all these data were inputted into a biomechanical computer optimization model to output patellofemoral joint force and stress at select knee angles. A repeated-measures two- and three-way ANOVA ( P < 0.01) was used for statistical analyses. RESULTS Collapsed across long HTWD and short HTWD, patellofemoral joint force and stress were greater in ball squat than wall squat at 30° ( P = 0.009), 40° ( P = 0.008), 90° ( P = 0.003), and 100° ( P = 0.005) knee angles during the squat descent, and greater in wall squat than ball squat at 100° ( P < 0.001), 90° ( P < 0.001), 80° ( P = 0.004), and 70° ( P = 0.009) knee angles during squat ascent. Collapsed across ball and wall squats, patellofemoral joint force and stress were greater with a short HTWD than a long HTWD at 100° ( P = 0.007) and 90° ( P = 0.008) knee angles during squat ascent. CONCLUSIONS Patellofemoral joint loading changed according to both squat type and HTWD variations. These differences occurred in part due to differences in forces the wall or ball exerted on the trunk, including friction forces. Overall, patellofemoral force and stress were greater performing the bodyweight wall squat compared with the bodyweight ball squat. Moreover, squatting with short HTWD produced anterior knee displacement beyond the toes at higher knee angles, resulting in greater patellofemoral force and stress compared with squatting with long HTWD.
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Affiliation(s)
| | - Naiquan Zheng
- The Center for Biomedical Engineering and Science, Department of Mechanical Engineering and Engineering Science, University of North Carolina, Charlotte, NC
| | - Toran D Macleod
- Department of Physical Therapy, California State University, Sacramento, CA
| | - Rodney Imamura
- Kinesiology and Health Science Department, California State University, Sacramento, CA
| | | | - Shangcheng Wang
- The Center for Biomedical Engineering and Science, Department of Mechanical Engineering and Engineering Science, University of North Carolina, Charlotte, NC
| | - Kyle Yamashiro
- Results Physical Therapy and Training Center, Sacramento, CA
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Nascimento MB, Vilarinho LG, Lobato DFM, Dionisio VC. Role of gluteus maximus and medius activation in the lower limb biomechanical control during functional single-leg Tasks: A systematic review. Knee 2023; 43:163-175. [PMID: 37422984 DOI: 10.1016/j.knee.2023.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/30/2023] [Accepted: 05/12/2023] [Indexed: 07/11/2023]
Abstract
OBJECTIVES Single-leg (SL) tasks are included as assessment and intervention strategies in several dysfunctions due to the inherent motor control requirement. The recruitment of gluteus maximus (GMAX) and medius (GMED) muscles is essential for proper biomechanical control of the knee and hip joints. The study aims to identify the role of gluteal activation in the biomechanical control of the lower limb during SL tasks. METHODS This is a systematic review with searches performed in Pubmed, CINAHL, MEDLINE, Web of Science, and Sportdiscus databases. Cross-sectional studies carried out with asymptomatic individuals were selected, containing hip and knee kinematic and kinetic outcomes assessed through 3D or 2D movement analysis and EMG activity of GMED and GMAX muscles. Two independent reviewers performed the procedures to select the studies, determine the methodological quality and extract the data. RESULTS The initial search resulted in 391 studies, and after the assessment procedures, 11 studies were included. Lower GMAX activation was associated with greater hip internal rotation (HIR) excursion and greater HIR moment, and lower GMED activation was associated with greater hip adduction (HAD)/knee abduction (KAB) excursions and greater KAB moment during single-leg squat (SLS). CONCLUSIONS The SL tasks showed a relevant association between the gluteal EMG and other biomechanical outcomes, mainly the SLS task. Interpretation must be cautious, as most studies present high and moderate methodological quality, especially on kinetic data.
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Affiliation(s)
- Matheus Batista Nascimento
- Federal University of Uberlândia - UFU, Faculty of Physical Education and Physiotherapy- FAEFI, Uberlândia, Minas Gerais, Brazil.
| | - Lucas Gois Vilarinho
- Federal University of Uberlândia - UFU, Faculty of Physical Education and Physiotherapy- FAEFI, Uberlândia, Minas Gerais, Brazil
| | | | - Valdeci Carlos Dionisio
- Federal University of Uberlândia - UFU, Faculty of Physical Education and Physiotherapy- FAEFI, Uberlândia, Minas Gerais, Brazil
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Bruce Leicht AS, Thompson XD, Kaur M, Hopper HM, Stolzenfeld RL, Wahl AJ, Sroufe MD, Werner BC, Diduch DR, Gwathmey FW, Brockmeier SF, Miller MD, Hart JM. Hip Strength Recovery After Anterior Cruciate Ligament Reconstruction. Orthop J Sports Med 2023; 11:23259671231169196. [PMID: 37435425 PMCID: PMC10331192 DOI: 10.1177/23259671231169196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 02/22/2023] [Indexed: 07/13/2023] Open
Abstract
Background Return-to-play (RTP) assessment after anterior cruciate ligament reconstruction (ACLR) rarely includes hip strength. Hypothesis It was hypothesized that (1) patients after ACLR will have weaker hip abduction (AB) and adduction (AD) strength compared with the contralateral limb, with larger deficits in women, (2) there will be a correlation between hip and thigh strength ratios and patient-reported outcomes (PROs), and (3) hip AB and AD strength will improve over time. Study Design Descriptive laboratory study. Methods Included were 140 patients (74 male, 66 female; mean age, 24.16 ± 10.82 years) who underwent RTP assessment at 6.1 ± 1.6 months after ACLR; 86 patients underwent a second assessment at 8.2 ± 2.2 months. Hip AB/AD and knee extension/flexion isometric strength were measured and normalized to body mass, and PRO scores were collected. Strength ratios (hip vs thigh), limb differences (injured vs uninjured), sex-based differences, and relationships between strength ratios and PROs were determined. Results Hip AB strength was weaker on the ACLR limb (ACLR vs contralateral: 1.85 ± 0.49 vs 1.89 ± 0.48 N·m/kg; P < .001) and hip AD torque was stronger (ACLR vs contralateral: 1.80 ± 0.51 vs 1.76 ± 0.52 N·m/kg; P = .004), with no sex-by-limb interaction found. Lower hip-to-thigh strength ratios of the ACLR limb were correlated with higher PRO scores (r = -0.17 to -0.25). Over time, hip AB strength increased in the ACLR limb more than in the contralateral limb (P = .01); however, the ACLR limb remained weaker in hip AB at visit 2 (ACLR vs contralateral: 1.88 ± 0.46 vs 1.91 ± 0.45 N·m/kg; P = .04). In both limbs, hip AD strength was greater at visit 2 than visit 1 (ACLR: 1.82 ± 0.48 vs 1.70 ± 0.48 N·m/kg; contralateral: 1.76 ± 0.47 vs 1.67 ± 0.47 N·m/kg; P < .01 for both). Conclusion The ACLR limb had weaker hip AB and stronger AD compared with the contralateral limb at initial assessment. Hip muscle strength recovery was not influenced by sex. Hip strength and symmetry improved over the course of rehabilitation. Although strength differences across limbs were minor, the clinical importance of these differences is still unknown. Clinical Relevance The evidence provided highlights the need to integrate hip strength into RTP assessments to identify hip strength deficits that may increase reinjury or lead to poor long-term outcomes.
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Affiliation(s)
| | - Xavier D. Thompson
- Department of Kinesiology, University of Virginia, Charlottesville, Virginia, USA
| | - Mandeep Kaur
- Department of Physical Therapy, Northern Arizona University, Phoenix, Arizona, USA
| | - Haleigh M. Hopper
- Department of Kinesiology, University of Virginia, Charlottesville, Virginia, USA
| | | | - Alexander J. Wahl
- School of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Madison D. Sroufe
- School of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Brian C. Werner
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - David R. Diduch
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - F. Winston Gwathmey
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Stephen F. Brockmeier
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Mark D. Miller
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Joe M. Hart
- Department of Orthopaedic Surgery, University of North Carolina, Chapel Hill, North Carolina, USA
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Burke A, Dillon S, O'Connor S, Whyte EF, Gore S, Moran KA. Aetiological Factors of Running-Related Injuries: A 12 Month Prospective "Running Injury Surveillance Centre" (RISC) Study. SPORTS MEDICINE - OPEN 2023; 9:46. [PMID: 37310517 DOI: 10.1186/s40798-023-00589-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 05/24/2023] [Indexed: 06/14/2023]
Abstract
BACKGROUND Running-related injuries (RRIs) are a prevalent issue for runners, with several factors proposed to be causative. The majority of studies to date are limited by retrospective study design, small sample sizes and seem to focus on individual risk factors in isolation. This study aims to investigate the multifactorial contribution of risk factors to prospective RRIs. METHODS Recreational runners (n = 258) participated in the study, where injury history and training practices, impact acceleration, and running kinematics were assessed at a baseline testing session. Prospective injuries were tracked for one year. Univariate and multivariate Cox regression was performed in the analysis. RESULTS A total of 51% of runners sustained a prospective injury, with the calf most commonly affected. Univariate analysis found previous history of injury < 1 year ago, training for a marathon, frequent changing of shoes (every 0-3 months), and running technique (non-rearfoot strike pattern, less knee valgus, greater knee rotation) to be significantly associated with injury. The multivariate analysis revealed previous injury, training for a marathon, less knee valgus, and greater thorax drop to the contralateral side to be risk factors for injury. CONCLUSION This study found several factors to be potentially causative of injury. With the omission of previous injury history, the risk factors (footwear, marathon training and running kinematics) identified in this study may be easily modifiable, and therefore could inform injury prevention strategies. This is the first study to find foot strike pattern and trunk kinematics to relate to prospective injury.
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Affiliation(s)
- Aoife Burke
- School of Health and Human Performance, Dublin City University, XG08, Lonsdale Building, Glasnevin Campus, Dublin, Ireland.
- Insight SFI Research Centre for Data Analytics, Dublin City University, Dublin, Ireland.
| | - Sarah Dillon
- School of Health and Human Performance, Dublin City University, XG08, Lonsdale Building, Glasnevin Campus, Dublin, Ireland
- Insight SFI Research Centre for Data Analytics, Dublin City University, Dublin, Ireland
| | - Siobhán O'Connor
- School of Health and Human Performance, Dublin City University, XG08, Lonsdale Building, Glasnevin Campus, Dublin, Ireland
- Centre for Injury Prevention and Performance, Athletic Therapy and Training, Dublin City University, Dublin, Ireland
| | - Enda F Whyte
- School of Health and Human Performance, Dublin City University, XG08, Lonsdale Building, Glasnevin Campus, Dublin, Ireland
- Centre for Injury Prevention and Performance, Athletic Therapy and Training, Dublin City University, Dublin, Ireland
| | - Shane Gore
- School of Health and Human Performance, Dublin City University, XG08, Lonsdale Building, Glasnevin Campus, Dublin, Ireland
- Insight SFI Research Centre for Data Analytics, Dublin City University, Dublin, Ireland
| | - Kieran A Moran
- School of Health and Human Performance, Dublin City University, XG08, Lonsdale Building, Glasnevin Campus, Dublin, Ireland
- Insight SFI Research Centre for Data Analytics, Dublin City University, Dublin, Ireland
- Centre for Injury Prevention and Performance, Athletic Therapy and Training, Dublin City University, Dublin, Ireland
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Bolgla LA, Gibson HN, Hannah DC, Curry-McCoy T. Comparison of the Frontal Plane Projection Angle and the Dynamic Valgus Index to Identify Movement Dysfunction in Females with Patellofemoral Pain. Int J Sports Phys Ther 2023; V18:619-625. [PMID: 37425107 PMCID: PMC10324282 DOI: 10.26603/001c.74269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 03/08/2023] [Indexed: 07/11/2023] Open
Abstract
Background Clinicians typically measure the knee frontal plane projection angle (FPPA) during a single-leg squat to identify females with patellofemoral pain (PFP). A limitation of this measure is minimal attention to movement of the pelvis on the femur that can create knee valgus loading. The dynamic valgus index (DVI) may be a better assessment. Hypothesis/Purpose The purpose of this study was to compare the knee FPPA and DVI between females with and without PFP and determine if the DVI better identified females with PFP than the knee FPPA. Study Design Case-control. Methods Sixteen females with and 16 without PFP underwent 2-dimensional motion analysis when performing five trials of a single-leg squat. The average peak knee FPPA and peak DVI were analyzed. Independent t-tests determined between-group peak knee FPPA and peak DVI differences. Receiver operating characteristic (ROC) curves determined the area under the curve (AUC) scores for sensitivity and 1 - specificity of each measure. Paired-sample area difference under the ROC curves was conducted to determine differences in the AUC for the knee FPPA and DVI. Positive likelihood ratios were calculated for each measure. The significance level was p < 0.05. Results Females with PFP exhibited a higher knee FPPA (p = 0.001) and DVI (p = 0.015) than controls. AUC scores were .85 (p = 0.001) and .76 (p = 0.012) for the knee FPPA and DVI, respectively. Paired-sample area difference under the ROC curves showed a similar (p = 0.10) AUC for the knee FPPA and DVI. The knee FPPA had 87.5% sensitivity and 68.8% specificity; the DVI had 81.3% sensitivity and 81.0% specificity. Positive likelihood ratios for the knee FPPA and DVI were 2.8 and 4.3, respectively. Conclusion The DVI during a single-leg squat may be another useful tool for discriminating between females with and without PFP. Level of Evidence 3a.
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Sacco ICN, Trombini-Souza F, Suda EY. Impact of biomechanics on therapeutic interventions and rehabilitation for major chronic musculoskeletal conditions: A 50-year perspective. J Biomech 2023; 154:111604. [PMID: 37159980 DOI: 10.1016/j.jbiomech.2023.111604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 04/12/2023] [Accepted: 04/25/2023] [Indexed: 05/11/2023]
Abstract
The pivotal role of biomechanics in the past 50 years in consolidating the basic knowledge that underpins prevention and rehabilitation measures has made this area a great spotlight for health practitioners. In clinical practice, biomechanics analysis of spatiotemporal, kinematic, kinetic, and electromyographic data in various chronic conditions serves to directly enhance deeper understanding of locomotion and the consequences of musculoskeletal dysfunctions in terms of motion and motor control. It also serves to propose straightforward and tailored interventions. The importance of this approach is supported by myriad biomechanical outcomes in clinical trials and by the development of new interventions clearly grounded on biomechanical principles. Over the past five decades, therapeutic interventions have been transformed from fundamentally passive in essence, such as orthoses and footwear, to emphasizing active prevention, including exercise approaches, such as bottom-up and top-down strengthening programs for runners and people with osteoarthritis. These approaches may be far more effective inreducing pain, dysfunction, and, ideally, incidence if they are based on the biomechanical status of the affected person. In this review, we demonstrate evidence of the impact of biomechanics and motion analysis as a foundation for physical therapy/rehabilitation and preventive strategies for three chronic conditions of high worldwide prevalence: diabetes and peripheral neuropathy, knee osteoarthritis, and running-related injuries. We conclude with a summary of recommendations for future studies needed to address current research gaps.
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Affiliation(s)
- Isabel C N Sacco
- Physical Therapy, Speech and Occupational Therapy, School of Medicine, University of São Paulo, São Paulo, Brazil.
| | - Francis Trombini-Souza
- Department of Physical Therapy, University of Pernambuco, Petrolina, Pernambuco, Brazil; Master's and Doctoral Programs in Rehabilitation and Functional Performance, University of Pernambuco, Petrolina, Pernambuco, Brazil
| | - Eneida Yuri Suda
- Postgraduate Program in Physiotherapy, Universidade Ibirapuera, São Paulo, Brazil
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Souza de Vasconcelos G, Eduarda Chinotti Batista da Silva M, S Nunes G, Viadanna Serrão F. Relationship between kinesiophobia, isometric hip and knee torques to pelvic, hip and knee motion during the single-leg drop jump in women with patellofemoral pain: A cross-sectional study. Knee 2023; 42:264-272. [PMID: 37116339 DOI: 10.1016/j.knee.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 02/28/2023] [Accepted: 04/03/2023] [Indexed: 04/30/2023]
Abstract
BACKGROUND Individuals with patellofemoral pain (PFP) have kinesiophobia and hip and knee strength deficits. These factors may be related to kinematic alterations of pelvic, hip and knee during a more demanding functional activity, such as jumping landing. The aim was to investigate the relationships between kinesiophobia and hip/knee torque to pelvic/hip/knee kinematics during the single-leg drop vertical jump in women with PFP. METHOD Thirty women with PFP were assessed with Tampa Scale for Kinesiophobia; isokinetic dynamometry of the hip extensor, hip abductor, and knee extensor; and three-dimensional motion analysis system during the single-leg drop vertical jump. A Pearson correlation matrix was used to investigate relationship among variables. RESULTS Fair correlations were found between increased kinesiophobia and increased peak hip internal rotation angle (r = 0.43; p = 0.018) as well as between greater peak knee extensor torque and greater peak knee flexion (r = 0.41; p = 0.022). Moderate to good correlation was found between increased peak hip abductor torque and increased peak contralateral pelvic drop (r = 0.52; p = 0.003). No other significant correlations were found between variables. CONCLUSIONS Kinesiophobia is associated with hip kinematics, but not with knee kinematics, during the single-leg vertical drop jump in women with PFP. The greater hip abductor torque is associated with greater contralateral pelvic drop. The positive relationship between knee extensor torque and knee flexion indicates that rehabilitation programs involving quadriceps muscle strengthening may assist women with PFP in control knee flexion and improve load absorption during jumping landing.
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Affiliation(s)
- Gabriela Souza de Vasconcelos
- Physical Therapy Department, Federal University of Sao Carlos (UFSCar), Rodovia Washington Luis Km 235, São Carlos, São Paulo CEP 13565-905, Brazil.
| | | | - Guilherme S Nunes
- Physiotherapy and Rehabilitation Department, Federal University of Santa Maria (UFSM), Av Roraima 1000, Santa Maria, Rio Grande do Sul CEP 97105-900, Brazil
| | - Fábio Viadanna Serrão
- Physical Therapy Department, Federal University of Sao Carlos (UFSCar), Rodovia Washington Luis Km 235, São Carlos, São Paulo CEP 13565-905, Brazil
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Apti A, Akalan NE. Does Increased Femoral Anteversion Can Cause Hip Abductor Muscle Weakness? CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10050782. [PMID: 37238330 DOI: 10.3390/children10050782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/10/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023]
Abstract
BACKGROUND Increased femoral anteversion (IFA) causes functional problems (i.e., tripping, frequently falling, and fatigue) by affecting the pelvis and lower extremity biomechanics. In the frontal plane, increased contralateral pelvic drop and ipsilateral hip adduction, which are mainly considered deteriorated hip abductor muscle mechanisms, are associated with hip and knee injuries. AIMS The aim of this study was to examine the effects of femoral anteversion on hip abductor weakness and frontal plane pelvis-hip biomechanics during walking. METHODS The study included nine subjects with increased femoral anteversion and a control group of eleven subjects. Maximum isometric voluntary contraction (MIVC) values of the hip abductor muscles were measured with a handheld dynamometer. Three-dimensional gait analysis was performed for kinetic, kinematic, and temporo-spatial gait parameters. Non-parametric tests were used for statistical analysis (p < 0.05). RESULTS There was no significant difference found between the MIVC values of the IFA and control groups (p = 0.14). Moreover, no significant difference was determined between the ipsilateral peak hip adduction (p = 0.088) and contralateral pelvic drop (p = 0.149) in the stance phase. Additionally, there was no correlation between the peak hip adduction angle in the stance phase and normalized MIVC values in the IFA group (r = -0.198, p = 0.44), or in the control group (r = -0.174, p = 0.55). The deviations of pelvic rotation (p = 0.022), hip internal rotation (p = 0.003), and internal foot progression (p = 0.022), were found to be higher in the IFA group than in the controls. CONCLUSIONS IFA may not be associated with hip abductor muscle weakness, and it may not lead to the hip adduction and pelvic depression that can be seen in hip abductor weakness. Increased pelvic rotation and internal hip rotation during walking might be considered as a compensation for the femoral head-acetabulum alignment mechanism in the frontal plane.
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Affiliation(s)
- Adnan Apti
- Faculty of Health Sciences, Division of Physiotherapy and Rehabilitation, Istanbul Kültür University, Istanbul 34158, Turkey
| | - Nazif Ekin Akalan
- Faculty of Health Sciences, Division of Physiotherapy and Rehabilitation, Istanbul Kültür University, Istanbul 34158, Turkey
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Liu L, Lei K, Chen X, Fu D, Yang P, Yang L, Guo L. Proximal external femoral torsion increases lateral femoral shaft bowing: a study based on 3D CT reconstruction models. Knee Surg Sports Traumatol Arthrosc 2023; 31:1524-1532. [PMID: 34609540 DOI: 10.1007/s00167-021-06753-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 09/19/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Femoral bowing influences the genesis and management of knee osteoarthritis (OA). The aim of this study was to investigate the relationship between the femoral torsion angle (FTA) and femoral bowing angle (FBA) in a southern Chinese population. It was hypothesized that a greater FTA would lead to a greater lateral FBA. METHODS A total of 381 lower extremities from 381 osteoarthritic patients (298 women, 83 men; 201 left, 180 right; mean age 66.5 ± 8.9 years) were retrospectively reviewed. Age, sex, body mass index (BMI), side, height, femoral length (FL), hip-knee-ankle angle (HKA) and FTA were set as FBA-related factors. The three-dimensional (3D) FBA, the angle between the anatomical axis of the proximal femur and the anatomical axis of the distal femur in the plane they form, and its projection on the coronal (lateral FBA) and sagittal (anterior FBA) planes were measured on 3D computed tomography (CT) models. The correlation of the 3D, lateral and anterior FBAs with each of the FBA-related factors was explored using multiple linear regression analysis. The correlation between the FBA and FTA was explored and verified after using propensity score matching to control for the other FBA-related factors. RESULTS The mean lateral and anterior FBAs were 5.5°, with 53.5% greater than 5°, and 12.7°, with 70.3% greater than 11°, respectively. 3D FBA was positively correlated with age (Std.Co = 0.113, P < 0.05) and HKA (Std.Co = 0.129, P < 0.05). Lateral FBA was positively correlated with age (Std.Co = 0.118, P < 0.05), female sex (Std.Co = 0.206, P < 0.05), HKA (Std.Co = 0.184, P < 0.05) and FL (Std.Co = 0.220, P < 0.05). Anterior FBA was positively correlated with age (Std.Co = 0.108, P < 0.05) and male sex (Std.Co = 0.108, P < 0.05). When the related factors were balanced between the two groups (NS), FTA did not significantly affect 3D FBA or anterior FBA (NS), while FTA was positively correlated with lateral FBA (Std.Co = 0.165, P < 0.05). CONCLUSION External torsion of the proximal femur increases the lateral FBA by twisting a partial anterior FBA into a lateral FBA, especially in the female population. If a patient is found to have a large lateral FBA preoperatively, one should be alert to the possibility of a concomitant large FTA, as there are implications for femoral orthopedics, TKA and patellofemoral pressure distribution. LEVEL OF EVIDENCE III.
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Affiliation(s)
- LiMing Liu
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Kai Lei
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Xin Chen
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - DeJie Fu
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Pengfei Yang
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Liu Yang
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Lin Guo
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
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Miyamoto D, Saito A, Kimoto M, Terui Y, Okada K. Relationship between the knee valgus moment and the hip abductor and adductor activity during single-leg landing. Phys Ther Sport 2023; 61:129-134. [PMID: 37023591 DOI: 10.1016/j.ptsp.2023.03.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 03/31/2023]
Abstract
OBJECTIVES To reveal the relationship between the knee valgus moment (KVM) and the hip abductor and adductor activity during single-leg landing. DESIGN A cross-sectional study. SETTING Laboratory-based, between April 2020 and May 2021. PARTICIPANTS Thirty female collegiate athletes. MAIN OUTCOME MEASURES KVM, hip adduction angle, hip internal rotation angle, knee valgus angle (KVA), gluteus medius muscle activity, adductor longus muscle activity, adductor longus to gluteus medius activity ratio (ADD/GMED), and vertical component of the ground reaction force (vGRF). RESULTS Stepwise multiple regression analysis was performed. KVM was significantly positively associated with KVA (β = 0.613, p < 0.001), vGRF (β = 0.367, p = 0.010), and ADD/GMED (β = 0.289, p = 0.038). CONCLUSIONS Increased KVA, vGRF, and ADD/GMED were the independent factors that contributed to increased KVM during single-leg landing, and only ADD/GMED was found among the muscle activity values. The relative muscle activity of the gluteus medius and adductor longus, rather than those of the gluteus medius or adductor longus alone, may be useful in preventing anterior cruciate ligament injury during single-leg landing.
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Association of Proximal and Distal Factors With Lower Limb Kinematics During a Classical Ballet Jump. J Sport Rehabil 2023; 32:170-176. [PMID: 36049748 DOI: 10.1123/jsr.2021-0256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 07/08/2022] [Accepted: 07/18/2022] [Indexed: 02/07/2023]
Abstract
CONTEXT Excessive dynamic lower limb misalignment may predispose ballet dancers to jump-related injuries. However, it is unknown whether proximal and distal factors influence this movement pattern. The aim of this study was to investigate whether hip abduction strength, foot alignment, and ankle dorsiflexion range of motion (ROM) are associated with peak angles of hip adduction and internal rotation and knee abduction during the preparation and landing phases of a classical ballet jump. DESIGN Cross-sectional study. METHODS Forty-one healthy amateur ballet dancers were included. Hip abduction strength was evaluated isometrically using a handheld dynamometer, foot alignment was determined by the shank-forefoot alignment, and weight-bearing ankle dorsiflexion ROM was measured by performing the lunge test. Peak hip and knee angles were analyzed 3-dimensionally during the preparation and landing phases of a single-leg jump. A Pearson correlation matrix was used to investigate the association of hip abduction strength, shank-forefoot alignment, and ankle dorsiflexion ROM with peak angles of hip adduction and internal rotation and knee abduction during the preparation and landing phases of the jump. RESULTS Greater hip abduction strength was associated with greater peak hip internal rotation angle (r = .43, P < .05), but not with peak hip adduction and knee abduction angles during the preparation phase of the jump. There were no associations of shank-forefoot alignment and ankle dorsiflexion ROM with peak hip and knee angles during the preparation (r = -.23 to .36, P > .05) and landing (r = -.20 to .24, P > .05) phases of the jump. There was no association of hip abduction strength with peak hip and knee angles during the landing phase of the jump (r = -.28 to .16, P > .05). CONCLUSION Hip abductors strengthening, correction of foot misalignments, and increasing ankle dorsiflexion ROM may not prevent excessive hip and knee movements during a classical ballet single-leg jump in amateur dancers.
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Bazett-Jones DM, Neal BS, Legg C, Hart HF, Collins NJ, Barton CJ. Kinematic and Kinetic Gait Characteristics in People with Patellofemoral Pain: A Systematic Review and Meta-analysis. Sports Med 2023; 53:519-547. [PMID: 36334239 DOI: 10.1007/s40279-022-01781-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND Patellofemoral pain (PFP) is a prevalent knee condition with many proposed biomechanically orientated etiological factors and treatments. OBJECTIVE We aimed to systematically review and synthesize the evidence for biomechanical variables (spatiotemporal, kinematic, kinetic) during walking and running in people with PFP compared with pain-free controls, and determine if biomechanical variables contribute to the development of PFP. DESIGN Systematic review and meta-analysis. DATA SOURCES We searched Medline, CINAHL, SPORTDiscus, Embase, and Web of Science from inception to October 2021. ELIGIBILITY CRITERIA FOR SELECTING STUDIES All study designs (prospective, case-control [± interventional component, provided pre-intervention data were reported for both groups], cross-sectional) comparing spatiotemporal, kinematic, and/or kinetic variables during walking and/or running between people with and without PFP. RESULTS We identified 55 studies involving 1300 people with PFP and 1393 pain-free controls. Overall pooled analysis identified that people with PFP had slower gait velocity [moderate evidence, standardized mean difference (SMD) - 0.50, 95% confidence interval (CI) - 0.72, - 0.27], lower cadence (limited evidence, SMD - 0.43, 95% CI - 0.74, - 0.12), and shorter stride length (limited evidence, SMD - 0.46, 95% CI - 0.80, - 0.12). People with PFP also had greater peak contralateral pelvic drop (moderate evidence, SMD - 0.46, 95% CI - 0.90, - 0.03), smaller peak knee flexion angles (moderate evidence, SMD - 0.30, 95% CI - 0.52, - 0.08), and smaller peak knee extension moments (limited evidence, SMD - 0.41, 95% CI - 0.75, - 0.07) compared with controls. Females with PFP had greater peak hip flexion (moderate evidence, SMD 0.83, 95% CI 0.30, 1.36) and rearfoot eversion (limited evidence, SMD 0.59, 95% CI 0.03, 1.14) angles compared to pain-free females. No significant between-group differences were identified for all other biomechanical variables. Data pooling was not possible for prospective studies. CONCLUSION A limited number of biomechanical differences exist when comparing people with and without PFP, mostly characterized by small-to-moderate effect sizes. People with PFP ambulate slower, with lower cadence and a shortened stride length, greater contralateral pelvic drop, and lower knee flexion angles and knee extension moments. It is unclear whether these features are present prior to PFP onset or occur as pain-compensatory movement strategies given the lack of prospective data. TRIAL REGISTRATION PROSPERO # CRD42019080241.
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Affiliation(s)
- David M Bazett-Jones
- Department of Exercise and Rehabilitation Sciences, The University of Toledo, Toledo, OH, USA.
| | - Bradley S Neal
- School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Wivenhoe Park, Colchester, CO4 3SQ, Essex, UK.,Sports and Exercise Medicine, School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, Mile End Hospital, Bancroft Road, London, E1 4DG, UK
| | - Christopher Legg
- Physiotherapy Department, Prince of Wales Hospital, Sydney, NSW, Australia
| | - Harvi F Hart
- School of Physical Therapy and Bone and Joint Institute, Western University, London, ON, Canada
| | - Natalie J Collins
- School of Health and Rehabilitation Sciences: Physiotherapy, The University of Queensland, Brisbane, QLD, Australia.,La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services, and Sport, La Trobe University, Bundoora, VIC, Australia
| | - Christian J Barton
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services, and Sport, La Trobe University, Bundoora, VIC, Australia.,Department of Physiotherapy, Podiatry and Prosthetics and Orthotics, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, VIC, Australia
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Association of Cycling Kinematics With Anterior Knee Pain in Mountain Bike Cyclists. J Sport Rehabil 2023; 32:40-45. [PMID: 35961646 DOI: 10.1123/jsr.2021-0233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 11/24/2021] [Accepted: 05/24/2022] [Indexed: 01/03/2023]
Abstract
CONTEXT Comfort and pain in cyclists are often discussed as a result of the posture on the bike, and bike fit, including motion analysis, is advocated as a strategy to minimize these conditions. The relationship between cycling kinematics, comfort, and pain is still debatable. OBJECTIVES To investigate the association of ankle, knee, and trunk kinematics with the occurrence of anterior knee pain (AKP) in mountain bike cyclists. DESIGN Cross-sectional study. METHODS Fifty cross-country mountain bike cyclists (26 with AKP and 24 without AKP) had their pedaling kinematics assessed. Linear and angular data from trunk, hip, knee, ankle, and foot from cyclists with and without AKP were recorded using Retül motion analysis system. RESULTS The binary logistic regression model showed that kinematic variables such as peak ankle plantar flexion, peak knee flexion, and forward trunk lean were significant predictors of AKP. Both larger peak plantar flexion and knee flexion decreased the probability of reporting AKP. On the other hand, larger forward trunk lean increased the probability of reporting AKP. CONCLUSIONS Ankle, knee, and trunk sagittal kinematics may predict AKP in cross-country mountain bike cyclists, whereas hip, knee, and ankle alignment in the frontal plane showed no association with occurrence of AKP. In other words, cyclists with larger ankle plantar flexion and knee flexion are less likely to have AKP, whereas those with increased trunk forward lean are more likely to have AKP.
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González J, Ortiz A. Impact of Pilates mat-based exercises on knee kinematics during running. J Bodyw Mov Ther 2023; 33:8-13. [PMID: 36775530 PMCID: PMC10949884 DOI: 10.1016/j.jbmt.2022.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/13/2022] [Accepted: 09/17/2022] [Indexed: 10/14/2022]
Abstract
INTRODUCTION Core strengthening, balance, and flexibility programs such as Pilates have been advocated to positively impact running mechanics and prevent lower extremity injuries. The purpose of this study was to assess the effects of a 12-week mat-based Pilates exercise program on dynamic knee valgus alignment in runners. METHODS Thirty-four novice runners, including young male and female adults performed a running protocol at baseline. The protocol consisted of the participants running on a treadmill at a constant five miles per hour (mph) for 4 min. Post-examination, participants were randomly assigned to a Pilates or control group (n = 16 and n = 18, respectively). A certified Pilates instructor gave the Pilates group a 12-week home-based program. To ensure participants in the Pilates group performed exercises correctly, the Pilates instructor conducted the first session, and provided feedback to each participant. Participants in both groups performed the same running testing protocol every four weeks. Knee valgus was measured as the medial displacement of the knee joint center during the running stance phase. Repeated measures Analysis of Variance (RepANOVA) was calculated at baseline and 4-, 8-, and 12-weeks post examinations to compare knee valgus during running. RESULTS Although a reduction in dynamic knee valgus was observed within the Pilates group, the RepANOVA analysis revealed this change was not statistically significant. CONCLUSIONS Pilates mat-based exercises may improve knee valgus after 12 weeks but a larger sample size, longer intervention duration, or a supervised program should be considered for future research to evaluate its effectiveness.
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Affiliation(s)
- Jaime González
- Department of Physical Therapy, Midwestern University, Glendale, AZ, USA
| | - Alexis Ortiz
- Department of Physical Therapy, Augustana University, Sioux Falls, SD, USA.
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Muniz AMDS, Zeitoune G, Alvim F, Grassi GBA, Britto PAA, Nadal J. Do exist differences in kinematics and EMG of the hip and knee between male runners with and without patellofemoral pain in different running speeds? Phys Ther Sport 2023; 59:122-129. [PMID: 36529056 DOI: 10.1016/j.ptsp.2022.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Patellofemoral pain (PFP) presents a higher prevalence in female runners, while PFP in male is somehow neglected. Moreover, the effects of progressive greater running speed have not been reported. This study investigates the influence of progressive greater running speed on lower limb tridimensional kinematics and muscle activation (EMG) in male runners with PFP while compared with controls. DESIGN Cross-Sectional Design. METHODS Thirteen runners with PFP and 18 controls ran in a treadmill under three different speeds: 9, 11, and 13 km/h. Principal component scores from kinematic data and EMG onset and amplitude were used to compare groups through the Mann-Whitney test at each running speed. RESULTS Male PFP subjects presented increased hip internal rotation at 11 km/h and increased hip and knee internal at 13 km/h, as well as reduced knee adduction at all speeds. PFP subjects also ran with delayed and shorter vastus medialis oblique pre-activation compared with normal subjects. CONCLUSIONS This study demonstrated that PFP increased knee and hip internal rotation at higher demand running, therefore, it is important to evaluate the transverse plane of the hip and knee biomechanics in male runners with PFP to optimize the rehabilitation and reconditioning method of these subjects.
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Affiliation(s)
- Adriane Mara de Souza Muniz
- Escola de Educação Física do Exército, EsEFEx, Exército Brasileiro, Rio de Janeiro, RJ, Brazil; Programa de Engenharia Biomédica - PEB/COPPE, Universidade Federal do Rio de Janeiro, UFRJ, Rio de Janeiro, RJ, Brazil.
| | - Gabriel Zeitoune
- Programa de Engenharia Biomédica - PEB/COPPE, Universidade Federal do Rio de Janeiro, UFRJ, Rio de Janeiro, RJ, Brazil
| | - Felipe Alvim
- Faculdade de Ciências Médicas e da Saúde de Juiz de Fora, SUPREMA, Juiz de Fora, MG, Brazil
| | - Giordano B A Grassi
- Escola de Educação Física do Exército, EsEFEx, Exército Brasileiro, Rio de Janeiro, RJ, Brazil
| | - Paulo A A Britto
- Programa de Engenharia Biomédica - PEB/COPPE, Universidade Federal do Rio de Janeiro, UFRJ, Rio de Janeiro, RJ, Brazil
| | - Jurandir Nadal
- Programa de Engenharia Biomédica - PEB/COPPE, Universidade Federal do Rio de Janeiro, UFRJ, Rio de Janeiro, RJ, Brazil
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Muacevic A, Adler JR, Sudi S, Mohd Noh M, Khin NY. A Case Report on Core Muscles Training for Knee Osteoarthritis Through Core Muscles Activations and Gait Analysis. Cureus 2023; 15:e33918. [PMID: 36819380 PMCID: PMC9936829 DOI: 10.7759/cureus.33918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2023] [Indexed: 01/19/2023] Open
Abstract
Knee osteoarthritis (OA) is a chronic joint disease that can affect all ages, but it is more common in the elderly. Pharmacological and non-pharmacological treatments have been invented evolutionarily over the years to halt this disease. Exercise is one of the first-line treatments for knee OA as well as for prevention. This case study features a 47-year-old man who has grade IV bilateral knee OA and has never had any surgery and takes fish oil daily as a supplement. His walking pattern was significantly impacted by the chronic knee discomfort he had in both legs. Thus, the walking gait of this patient was analyzed together with core muscle activation before and after two weeks of core resistance exercise intervention. The knee pain score was assessed using the Western Ontario and McMaster Universities Index (WOMAC). The outcomes of this research depict that core resistance training has the potential to be used as an alternative, non-surgical and non-pharmacological treatment for a patient with knee OA.
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Xie P, István B, Liang M. The Relationship between Patellofemoral Pain Syndrome and Hip Biomechanics: A Systematic Review with Meta-Analysis. Healthcare (Basel) 2022; 11:healthcare11010099. [PMID: 36611559 PMCID: PMC9818693 DOI: 10.3390/healthcare11010099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/21/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022] Open
Abstract
(1) Background and purpose: Muscular control and motor function in a patient with Patellofemoral pain syndrome (PFPS) have not yet been investigated systematically. Therefore, this review synthesis the previous results about the association of PFPS with gluteus muscle activation, hip strength, and kinematic characteristic of the hip and knee joint, to deepen understanding of the PFPS etiology and promote the establishment of an effective treatment strategy. (2) Methods: A literature search was conducted from January 2000 to July 2022 in four electronic databases: Medline, Embase, Google scholar, and Scopus. A total of 846 articles were initially identified, and after the screening process based on the inclusion criteria, 12 articles were eventually included. Means and SDs of gluteus medius (GMed), gluteus maximus (GMax), hip strength, and kinematic variation of hip and knee were retrieved from the present study. (3) Results and conclusion: Regarding kinematic variation, moderate evidence indicates that an increased peak hip adduction was found in PFPS groups during running and single leg (SL) squat activities. There is no difference in the GMed and GMax activation levels between the two groups among the vast majority of functional activities. Most importantly, strong evidence suggests that hip strength is weaker in individuals with PFPS, showing less strength of hip external rotation and hip abduction compared to the control group. However, without prospective studies, it is difficult to determine whether hip strength weakness is a cause or a result of PFPS. Therefore, further research is needed to evaluate the hip strength level in identifying individuals most likely to associated with PFPS development is needed.
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Affiliation(s)
- Pingping Xie
- College of Science and Technology, Ningbo University, Ningbo 315211, China
| | - Bíró István
- Faculty of Engineering, University of Szeged, 6720 Szeged, Hungary
| | - Minjun Liang
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Correspondence: ; Tel.: +86-574-87600456
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Mauro KR, de Menezes Cantusio L, de Brito Menezes KG, Jacon Sarro K. Reliability of the Frontal Plane Knee Alignment Measurement Based on a Remote Protocol. Int J Telerehabil 2022; 14:e6506. [PMID: 38026569 PMCID: PMC10681043 DOI: 10.5195/ijt.2022.6506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023] Open
Abstract
Introduction The analysis of movement quality is important for better exercise prescription. This study tested the reproducibility of a protocol for remote assessment of dynamic knee alignment using images taken by patients. Methods Thirteen women filmed themselves performing single-leg squats on two days at a 15-day interval. Three raters measured the knee frontal plane projection angle using the resultant images. Results Two participants (15.4%) were excluded for not performing the protocol correctly. The intraclass correlation coefficient was between 0.880 and 0.999 for the intra-rater comparison, and between 0.817 and 0.987 for the inter-rater comparison. Discussion The success of the protocol in 84.6% of participants and the excellent reproducibility suggest that the methodology of analyzing patient-captured cell phone images might be a plausible alternative for remote evaluation of dynamic knee alignment.
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Nunes GS, Rodrigues DZ, Hörbe L, Prates I, Tessarin BM, Serrão FV, de Noronha M. Is Postural Control Affected in People with Patellofemoral Pain and Should it be Part of Rehabilitation? A Systematic Review with Meta-analysis. SPORTS MEDICINE - OPEN 2022; 8:144. [PMID: 36504326 PMCID: PMC9742077 DOI: 10.1186/s40798-022-00538-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 11/18/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Growing evidence supports that exercise therapy is effective for patellofemoral pain (PFP) rehabilitation. Nevertheless, the improvements have been reported not to be sustained in the long term, suggesting that the current protocols may not comprehend all required functional factors to provide a consistent recovery. A potential neglected factor in treatment protocols for PFP is postural control. However, it is unclear whether this population presents balance impairments or the influence of postural control on pain and function during rehabilitation programmes. OBJECTIVE To investigate whether (Q1) balance is impaired in people with PFP compared to controls, (Q2) conservative interventions are effective to improve balance in people with PFP, and (Q3) balance exercises are effective to improve pain and function in people with PFP. DATA SOURCES Medline, Embase, CINAHL, SPORTDiscus, Web of Science and Cochrane Library, supplemented by hand searching of reference lists, citations and relevant systematic reviews in the field. METHODS A systematic review with meta-analysis was conducted according to the Cochrane recommendations and reported according to the PRISMA statement recommendations. We included cross-sectional studies comparing balance between people with and without PFP; and randomised controlled trials verifying the effect of conservative intervention on balance and the effect of balance intervention on pain and function in people with PFP. The risk of bias was assessed using the Epidemiological Appraisal Instrument for cross-sectional studies and the Physiotherapy Evidence Database scale for randomised controlled trials. RESULTS From 15,436 records, 57 studies (Q1 = 28, Q2 = 23, Q3 = 14) met the eligibility criteria. Meta-analyses indicated that people with PFP have worse anteroposterior (very low grade evidence, standardised mean difference [SMD] = 1.03, 95% CI 0.40-1.66) and mediolateral (moderate grade evidence, SMD = 0.87, 95% CI 0.31-1.42) balance compared to controls. Moderate grade evidence indicated that overall balance is not affected in people with PFP (SMD = 0.38, 95% CI - 0.05-0.82). Low to very low grade evidence indicates that interventions are ineffective for mediolateral (SMD = 0.01, 95% CI - 0.51-0.53) and overall (SMD = 0.49, 95% CI - 0.14-1.11) balance improvements, and low grade evidence indicates that interventions are effective to improve anteroposterior balance (SMD = 0.64, 95% CI 0.04-1.23). Moderate to low grade evidence indicated that balance interventions are effective to reduce pain (SMD = 0.82, 95% CI 0.26-1.38) and improve function (SMD = 0.44, 95% CI 0.09-0.80) when measured using questionnaires; and very low grade evidence indicated no efficacy for function measured via functional tests (SMD = 0.73, 95% CI - 0.16-1.61). CONCLUSION People with PFP likely present balance deficits compared to asymptomatic people. There was insufficient evidence to support the efficacy of interventions to improve or modify balance in people with PFP. Also, there was insufficient evidence to support the efficacy of balance exercises to improve pain and function in people with PFP. Trial Registration The present systematic review was registered in PROSPERO (CRD42018091717).
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Affiliation(s)
- Guilherme S. Nunes
- grid.411239.c0000 0001 2284 6531Department of Physiotherapy and Rehabilitation, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS CEP 97105-900 Brazil
| | - Diênifer Zilmer Rodrigues
- grid.411239.c0000 0001 2284 6531Department of Physiotherapy and Rehabilitation, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS CEP 97105-900 Brazil
| | - Luiza Hörbe
- grid.411239.c0000 0001 2284 6531Department of Physiotherapy and Rehabilitation, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS CEP 97105-900 Brazil
| | - Izabela Prates
- grid.411239.c0000 0001 2284 6531Department of Physiotherapy and Rehabilitation, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS CEP 97105-900 Brazil
| | - Bruna M. Tessarin
- grid.411247.50000 0001 2163 588XDepartment of Physiotherapy, São Carlos Federal University, São Carlos, Brazil
| | - Fábio V. Serrão
- grid.411247.50000 0001 2163 588XDepartment of Physiotherapy, São Carlos Federal University, São Carlos, Brazil
| | - Marcos de Noronha
- grid.1018.80000 0001 2342 0938Rural Department of Allied Health, La Trobe University, Bendigo, VIC Australia
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Hassan KA, Youssef RSEE, Mahmoud NF, Eltagy H, El-Desouky MA. The relationship between ankle dorsiflexion range of motion, frontal plane projection angle, and patellofemoral pain syndrome. Foot Ankle Surg 2022; 28:1427-1432. [PMID: 35989174 DOI: 10.1016/j.fas.2022.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/05/2022] [Accepted: 08/07/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Ankle range of motion abnormalities have been often linked with alteration in knee kinematics leading to the development of patellofemoral pain syndrome (PFPS). Literature exploring the relationship between ankle dorsiflexion range of motion (DF ROM) and knee kinematics during functional tasks is scanty. This study aims to assess the relation between ankle DF ROM and frontal plane projection angle (FPPA), one of the knee kinematic variables, in individuals with and without PFPS during a step-down test. METHODS This is a case-control study in which seventy PFPS patients and other 70 asymptomatic control subjects had their ankle DF ROM measured using an inclinometer with the knee flexed and extended. Their FPPA angles were measured using Kinovea software while doing the step-down test. RESULTS When the two groups were compared, ankle DF ROM measured with the knee flexed was higher in the control group (33.15 ± 4.96) than in the PFPS group (30.20 ± 6.93) (p = 0.03). In both the PFPS group and the control group, the correlation between FPPA and ankle DF ROM with the knee flexed was statistically insignificant (p = 0.075 and 0.323 respectively). CONCLUSION Decreased ankle DF ROM can be one of the contributing factors to the development of PFPS in the context of greater dynamic knee valgus.
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Affiliation(s)
- Karima Abdelaty Hassan
- Department of Musculoskeletal Disorders & its Surgery, Faculty of Physical Therapy, Cairo University, Egypt.
| | - Rana Seif El-Eslam Youssef
- Department of Musculoskeletal Disorders & its Surgery, Faculty of Physical Therapy, Cairo University, Egypt.
| | - Nesreen Fawzy Mahmoud
- Department of Musculoskeletal Disorders & its Surgery, Faculty of Physical Therapy, Cairo University, Egypt.
| | - Hassan Eltagy
- Orthopedic Surgery and Traumatology Department, Faculty of Medicine, Cairo University, Egypt.
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Abstract
PURPOSE OF REVIEW The purpose of this review is to discuss the current state of knowledge regarding axial plane deformities in patellofemoral instability, indications and techniques for treatment of those deformities, and outcomes following treatment. RECENT FINDINGS There is opportunity for more information in the literature on all aspects of axial plane deformities in patellofemoral instability. This includes how to assess axial plane deformities on imaging, what is normal and what is an appropriate goal for correction, what techniques are best used depending on the deformity or concomitant pathology, and larger and more discriminating studies on outcomes. Rotational deformity of both the tibia and femur is an important risk factor to consider as a cause of patellar instability. Recent research has shown that surgical correction of these deformities on either the femoral or tibial side can have a positive effect on outcome in terms of patellar instability and knee pain. Further research, however, is warranted to determine what are normal values for femoral version and tibial torsion, and at what values surgical intervention is warranted.
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Zaworski K, Baj-Korpak J, Kręgiel-Rosiak A, Gawlik K. Effects of Kinesio Taping and Rigid Taping on Gluteus Medius Muscle Activation in Healthy Individuals: A Randomized Controlled Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14889. [PMID: 36429610 PMCID: PMC9690235 DOI: 10.3390/ijerph192214889] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Gluteus medius muscle (GMed) dysfunctions may be associated with pain and functional problems in the lumbar spine and lower limbs. The study sought to assess the effects of applying kinesio taping (KT) and rigid taping (RT) on GMed in the dominant leg of healthy individuals. Furthermore, an attempt was made to indicate which of the applied exercises brought about the greatest activation of GMed. METHODS The study included 90 individuals, with an average age of 21.79. The participants were randomly assigned to one of three groups: kinesio tape (KT), rigid tape (RT) and placebo tape (C). GMed activation was assessed using sEMG during the performance of such exercises as glute bridge, unilateral glute bridge, clamshell, pelvic drop and lunge. Each of the participants was examined three times-before taping, immediately after and 48 h after taping. RESULTS Before taping, the greatest GMed activation on the dominant side was noted in clamshell (54.12 %MVIC), whereas the lowest GMed activation was observed in glute bridge (36.35 %MVIC). The comparison of results obtained before and immediately after taping in all the groups revealed a statistically significant increase in GMed activation (p < 0.05), while the comparison of results achieved before and 48 h after taping showed significant differences in glute bridge in groups KT and RT. In all the groups, the differences in results obtained in the other exercises were not significant. Taking into account each of the applied exercises, at none of the three stages of examination were the differences between the groups significant. CONCLUSIONS Regardless of the type of taping applied (KT, RT, C), a significant increase in GMed activation was noted in all the exercises immediately after taping. At none of the stages of examination were the differences between the groups significant.
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Importance of Lower Extremity Muscle Performance and Knee Proprioception During First 60 Degrees of Knee Flexion at Three Months After Anterior Cruciate Ligament Reconstruction. Asian J Sports Med 2022. [DOI: 10.5812/asjsm-120211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: Knee proprioception and neuromuscular control may be important factors contributing to re-injury occurrences. Objectives: To examine lower extremity muscular performance and knee proprioception preoperatively and 3 months after anterior cruciate ligament (ACL) reconstruction. Methods: Twelve participants underwent ACL reconstruction using the hamstring tendon. All participants were assessed for knee proprioceptive sense using an isokinetic dynamometer at 15° and 60° of knee flexion. Lower extremity muscular performance was examined using the single-leg squat test (SLS) with two-dimensional motion analysis in frontal and sagittal planes. Results: Mean absolute error angle at a 15-degree-target angle was significantly lower at three months after ACL reconstruction compared with the preoperative state (P = 0.04). Maximal knee flexion angle of the injured The SLS test showed a lesser knee flexion angle of the injured knee at three months after ACL reconstruction (P = 0.01), and injured knee proprioception at 60 degree-flexion did not significantly improve at the three month-postoperative stage. Conclusions: At three months after ACL reconstruction by hamstring graft tendon, knee proprioceptive sense at an inner range of knee extension improved. However, proprioception at the middle range did not significantly develop. The range of hip and knee motions using SLS related to strength changes that the knee extensor needs to improve, especially in the middle range.
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Xie PP, István B, Liang M. Sex-specific differences in biomechanics among runners: A systematic review with meta-analysis. Front Physiol 2022; 13:994076. [PMID: 36213228 PMCID: PMC9539551 DOI: 10.3389/fphys.2022.994076] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Patellofemoral disorders are more common in female runners compared to their male counterparts. Differences in biomechanical characteristics between groups of runners could provide insight into the causes of higher rates of injury in female versus male runners, which would be useful to physical therapists and athletic trainers in development of individualized injury prevention programs. This review compares the differences in biomechanical characteristics between female and male runners. Electronic databases, including PubMed, Scopus, Web of Science, and Embase were searched in December 2021 for studies evaluating sex-specific differences in lower limb mechanics of healthy participants during running. Two independent reviewers determined the inclusion and quality of each research paper. Meta-analyses were used where possible. A total of 13 studies were selected. Means and standard deviations of reported data were retrieved from each selected paper for comparison of results. Three biomechanical variables, including dynamics, muscle activation, and kinematics, were compared between female and male runners. However, no differences were found in kinetic variables or muscle activation between groups due to insufficient data available from the selected studies. Meta-analyses of kinematic variables revealed that female runners exhibited significantly greater hip flexion angle, hip adduction angle, and hip internal rotation angle, but smaller knee flexion angle compared to male runners during running. We found significant differences in kinematic variables between female and male runners, which could influence the training advice of physical therapists and athletic trainers who work with runners, and inform the development of injury prevention programs.
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Affiliation(s)
- Ping-Ping Xie
- College of Science and Technology, Ningbo University, Ningbo, China
| | - Bíró István
- Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Minjun Liang
- Faculty of Sports Science, Ningbo University, Ningbo, China
- *Correspondence: Minjun Liang,
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Souto LR, Serrão PRMDS, Pisani GK, Tessarin BM, da Silva HF, Machado EDM, de Oliveira Sato T, Serrão FV. Immediate effects of hip strap and foot orthoses on self-reported measures and lower limb kinematics during functional tasks in individuals with patellofemoral osteoarthritis: protocol for a randomised crossover clinical trial. Trials 2022; 23:746. [PMID: 36064729 PMCID: PMC9446757 DOI: 10.1186/s13063-022-06676-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 08/20/2022] [Indexed: 11/10/2022] Open
Abstract
Background Elevated patellofemoral joint stress has been associated with patellofemoral osteoarthritis (PFOA). Changes in lower limb kinematics, such as excessive femoral adduction and internal rotation and excessive rearfoot eversion during the stance phase of functional activities, may increase patellofemoral stress. There is a lack of studies that assess the effects of interventions for controlling femur and subtalar joint movements during functional activities on self-reported measures in individuals with PFOA. Thus, the primary aim of the study is to determine the immediate effects of the hip strap and foot orthoses during level-ground walking and the single-leg squat test on self-reported outcomes. The secondary aim is to investigate whether the hip strap and foot orthoses result in the kinematic changes that these devices are purported to cause. Methods Twenty-nine individuals with PFOA aged 50 years or older will take part in the study. The main outcome is pain intensity. The secondary outcomes are other self-reported measures (global rating of change, acceptable state of symptoms, ease of performance, and confidence) and lower limb kinematics (peak femoral adduction and internal rotation, and peak rearfoot eversion). These outcomes will be assessed during functional tasks performed under three conditions: (i) control condition, (ii) hip strap intervention, and (iii) foot orthoses intervention. To investigate whether these interventions result in the lower limb kinematic changes that they are purported to cause, three-dimensional kinematics of the femur and rearfoot will be captured during each task. Linear mixed models with two fixed factors will be used to test associations between the interventions (control, hip strap, and foot orthoses) and conditions (level-ground walking and single-leg squat test) as well as interactions between the interventions and conditions. Discussion To the best of the authors’ knowledge, this is the first study to evaluate the immediate effects of the hip strap and foot orthoses on self-reported measures and lower limb kinematics during functional tasks in individuals with PFOA. The findings of this study will enable future trials to investigate the effects of these interventions in rehabilitation programmes. Trial registration ClinicalTrials.gov NCT04332900. Registered on 3 April 2020. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-022-06676-0.
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Affiliation(s)
- Larissa Rodrigues Souto
- Department of Physical Therapy, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, SP, CEP 13565-905, Brazil.
| | | | - Giulia Keppe Pisani
- Department of Physical Therapy, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, SP, CEP 13565-905, Brazil
| | - Bruna Mariana Tessarin
- Department of Physical Therapy, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, SP, CEP 13565-905, Brazil
| | - Hygor Ferreira da Silva
- Department of Physical Therapy, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, SP, CEP 13565-905, Brazil
| | - Eliane de Morais Machado
- Department of Physical Therapy, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, SP, CEP 13565-905, Brazil
| | - Tatiana de Oliveira Sato
- Department of Physical Therapy, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, SP, CEP 13565-905, Brazil
| | - Fábio Viadanna Serrão
- Department of Physical Therapy, Federal University of São Carlos, Rod. Washington Luís, Km 235, São Carlos, SP, CEP 13565-905, Brazil
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Carvalho C, de Oliveira MPB, Pisani GK, Marolde IB, Serrão PRMDS. Biomechanical characteristics and muscle function in individuals with patellofemoral osteoarthritis: A systematic review of cross-sectional studies. Clin Biomech (Bristol, Avon) 2022; 98:105721. [PMID: 35868250 DOI: 10.1016/j.clinbiomech.2022.105721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 06/02/2022] [Accepted: 07/12/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND Our objective was to investigate kinematic and kinetic characteristics and changes in muscle function in individuals with patellofemoral osteoarthritis compared to healthy individuals. METHODS Searches were performed of the Medline, Embase, Web of Science, The Cochrane Library, LILACS, and SciELO databases until May of 2022 for observational studies comparing individuals with patellofemoral osteoarthritis to a control group. The PRISMA guidelines and recommendations of the Cochrane Collaboration were followed. The GRADE approach was used to analyze and synthesize the level of evidence. FINDINGS Fourteen studies were included, involving a total of 594 participants (360 with patellofemoral osteoarthritis and 234 controls). The level of evidence for pelvis, hip adduction and knee abduction angles at 45° of knee flexion during the single-leg squat, and knee flexion angle during the task of walking was very low. Regarding muscle strength, the level of evidence for isometric strength of the hip abductors, extensors and external rotators, and concentric strength of the knee extensors and flexors was very low. It was not possible to synthesize any type of evidence for kinetic, electromyography, or muscle volume variables. INTERPRETATION The level of evidence was very low for all synthesized evidence for kinematic and muscle strength variables. However, individuals with patellofemoral osteoarthritis have lower isometric strength of the hip abductor muscles. Further studies with adequate adjustment for confounding factors, such as the non-inclusion of individuals with osteoarthritis in the tibiofemoral compartment concomitant to patellofemoral osteoarthritis, are needed to gain a better understanding of the clinical characteristics of patellofemoral osteoarthritis.
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Affiliation(s)
- Cristiano Carvalho
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil; Physical Therapy Post-Graduate Program, Federal University of São Carlos, São Carlos, SP, Brazil.
| | - Marcos Paulo Braz de Oliveira
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil; Physical Therapy Post-Graduate Program, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Giulia Keppe Pisani
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil; Physical Therapy Post-Graduate Program, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Isabela Bianchini Marolde
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil; Physical Therapy Post-Graduate Program, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Paula Regina Mendes da Silva Serrão
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil; Physical Therapy Post-Graduate Program, Federal University of São Carlos, São Carlos, SP, Brazil
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Lower-Limb Kinematic Change during Pelvis Anterior and Posterior Tilt in Double-Limb Support in Healthy Subjects with Knee Malalignment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19159164. [PMID: 35954519 PMCID: PMC9367981 DOI: 10.3390/ijerph19159164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/17/2022] [Accepted: 07/23/2022] [Indexed: 02/06/2023]
Abstract
This study aimed to investigate lower-limb kinematic changes during pelvic tilting in participants with knee malalignment. To define participants with lower-limb malalignment, the quadriceps angle (Q-angle) was used in this study. The sample population was divided into two groups in accordance with the Q-angle: the experimental group (ABQ) consisted of participants with an abnormal Q-angle greater than the normal range, and the control group (CON) consisted of participants with a normal Q-angle. All participants performed anterior and posterior pelvic tilts in double-limb support. Kinematic change in the lower limb was evaluated using a three-dimensional motion analysis system (Motion Analysis, Santa Rosa, CA, USA). The horizontal plane hip angle in the ABQ was significantly different compared with that in the CON in all positions (p < 0.05), and no significant difference was observed in the other lower-limb kinematic variables (p > 0.05). A significant correlation was identified only between the Q-angle and horizontal plane hip angle in all positions. Based on the results, the Q-angle was strongly related to the thigh, although it may not be related to malalignment with other segments during double-limb support.
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