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Jo B, Motoi K, Morimoto Y, Takeuchi S. Dynamic and Static Workout of In Vitro Skeletal Muscle Tissue through a Weight Training Device. Adv Healthc Mater 2024:e2401844. [PMID: 39212188 DOI: 10.1002/adhm.202401844] [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: 05/18/2024] [Revised: 07/28/2024] [Indexed: 09/04/2024]
Abstract
Enhancing muscle strength through workouts is a key factor in improving physical activity and maintaining metabolic profiles. The controversial results concerning the impacts of weight training often arise from clinical experiments that require controlled experimental conditions. In this study, a weight training system for a muscle development model is presented, which is capable of performing weight training motions with adjustable weight loads. Through the implementation of cultured skeletal muscle tissue with floating structures and a flexible ribbon, both isotonic (dynamic change in muscle length) and isometric (static in muscle length) exercises can be performed without the deflection of the tissue. Quantitative analysis of contraction force, changes in metabolic processes, and muscle morphology under different weight training conditions demonstrates the effectiveness of the proposed system. Our proposed system holds potential for establishing effective muscle development and for further applications in rehabilitation training methods.
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Affiliation(s)
- Byeongwook Jo
- Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kentaro Motoi
- Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Yuya Morimoto
- Electronic and Physical Systems, School of Fundamental Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan
| | - Shoji Takeuchi
- Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
- International Research for Center for Neurointelligence (WPI-IRCN), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo, 113-0033, Japan
- Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
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Zhang Z, Yao P, Fan S. Advances in regenerative rehabilitation in the rehabilitation of musculoskeletal injuries. Regen Med 2024; 19:345-354. [PMID: 38860852 PMCID: PMC11346529 DOI: 10.1080/17460751.2024.2357956] [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: 01/15/2024] [Accepted: 05/17/2024] [Indexed: 06/12/2024] Open
Abstract
In the rapidly advancing field of regenerative medicine, relying solely on cell transplantation alone may be insufficient for achieving functional recovery, and rehabilitation before and after transplantation is crucial. Regenerative rehabilitation functions by synergizing the therapeutic effects of regeneration and rehabilitation to maximize tissue regeneration and patient function. We used the keywords "regenerative rehabilitation" to search across the database for published works; this review discusses the development of regenerative rehabilitation for the treatment of musculoskeletal injuries. Rehabilitation has become a crucial component of regenerative medicine because it can enhance patients' functional activity and facilitate their early return to society. Experimental data increasingly demonstrates that rehabilitation interventions support the regeneration of transplanted tissues.
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Affiliation(s)
- Zirui Zhang
- University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
- Department of Rehabilitation Medicine, Chinese People's Liberation Army Joint Logistics Force 940 Hospital, 818, Anning East Road, Lanzhou, Gansu, 730000, PR China
| | - Pengfei Yao
- Department of Rehabilitation Medicine, Chinese People's Liberation Army Joint Logistics Force 940 Hospital, 818, Anning East Road, Lanzhou, Gansu, 730000, PR China
| | - Shuai Fan
- Department of Rehabilitation Medicine, The Ninth People's Hospital of Shanghai, Jiao Tong University, 639, Manufacturing Bureau Road, Huangpu District, Shanghai, 200000, PR China
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Cordeiro LDS, Linhares DG, Barros Dos Santos AO, Lima Dos Santos L, de Castro JBP, Vale RGDS. Influence of resistance training on muscle architecture in older adults: A systematic review and meta-analysis of randomized controlled trials. Arch Gerontol Geriatr 2023; 112:105020. [PMID: 37043838 DOI: 10.1016/j.archger.2023.105020] [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: 12/20/2022] [Revised: 03/28/2023] [Accepted: 04/01/2023] [Indexed: 04/14/2023]
Abstract
BACKGROUND Resistance training (RT) consists of planned exercise programs to increase muscle strength capacity through neural and structural adaptations, such as changes in the geometric arrangement of muscle fibers. This study aimed to analyze the influence of RT on muscle architecture in older people. METHODS This PROSPERO-registered systematic review and meta-analysis (identification number CRD42022340477) followed the PRISMA guidelines. Four electronic databases were searched for eligible randomized controlled trials (RCTs) that observed older individuals submitted to RT programs that reported muscle architecture outcomes. RESULTS Seventeen RCTs met the eligibility criteria with a total of 488 participants. The main results of the meta-analysis showed that RT interventions had a significant effect on the thickness of the medial gastrocnemius (SMD = 0.12; 95% CI: - 0.07 to 0.17; p < 0.00001; I2 = 0%). CONCLUSION Based on available evidence, studies included in this review showed improvement in maximum isometric force, pennation angle, fascicle length, thickness, and muscle activation after RT interventions. In turn, the meta-analysis suggested a potential for improving the thickness of the medial gastrocnemius after the intervention. However, any clinical implications drawn from the analyses should be interpreted with caution, as these findings are substantially limited due to a low number of included studies and a potential heterogeneity between studies.
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Affiliation(s)
- Lilliany de Souza Cordeiro
- Postgraduate Program in Exercise and Sport Sciences, Rio de Janeiro State University, Rio de Janeiro, Brazil; Laboratory of Exercise and Sport, Institute of Physical Education and Sports, Rio de Janeiro State University, Rua São Francisco Xavier, 524, Pavilhão João Lira Filho, 9° andar, Bloco F, sala 9134/5, Maracanã, CEP, Rio de Janeiro, RJ CEP 20550-900, Brazil.
| | - Diego Gama Linhares
- Postgraduate Program in Exercise and Sport Sciences, Rio de Janeiro State University, Rio de Janeiro, Brazil; Laboratory of Exercise and Sport, Institute of Physical Education and Sports, Rio de Janeiro State University, Rua São Francisco Xavier, 524, Pavilhão João Lira Filho, 9° andar, Bloco F, sala 9134/5, Maracanã, CEP, Rio de Janeiro, RJ CEP 20550-900, Brazil
| | - Andressa Oliveira Barros Dos Santos
- Postgraduate Program in Exercise and Sport Sciences, Rio de Janeiro State University, Rio de Janeiro, Brazil; Laboratory of Exercise and Sport, Institute of Physical Education and Sports, Rio de Janeiro State University, Rua São Francisco Xavier, 524, Pavilhão João Lira Filho, 9° andar, Bloco F, sala 9134/5, Maracanã, CEP, Rio de Janeiro, RJ CEP 20550-900, Brazil
| | - Luciano Lima Dos Santos
- Postgraduate Program in Exercise and Sport Sciences, Rio de Janeiro State University, Rio de Janeiro, Brazil; Laboratory of Exercise and Sport, Institute of Physical Education and Sports, Rio de Janeiro State University, Rua São Francisco Xavier, 524, Pavilhão João Lira Filho, 9° andar, Bloco F, sala 9134/5, Maracanã, CEP, Rio de Janeiro, RJ CEP 20550-900, Brazil
| | - Juliana Brandão Pinto de Castro
- Postgraduate Program in Exercise and Sport Sciences, Rio de Janeiro State University, Rio de Janeiro, Brazil; Laboratory of Exercise and Sport, Institute of Physical Education and Sports, Rio de Janeiro State University, Rua São Francisco Xavier, 524, Pavilhão João Lira Filho, 9° andar, Bloco F, sala 9134/5, Maracanã, CEP, Rio de Janeiro, RJ CEP 20550-900, Brazil
| | - Rodrigo Gomes de Souza Vale
- Postgraduate Program in Exercise and Sport Sciences, Rio de Janeiro State University, Rio de Janeiro, Brazil; Laboratory of Exercise and Sport, Institute of Physical Education and Sports, Rio de Janeiro State University, Rua São Francisco Xavier, 524, Pavilhão João Lira Filho, 9° andar, Bloco F, sala 9134/5, Maracanã, CEP, Rio de Janeiro, RJ CEP 20550-900, Brazil; Active Aging, Exercise, and Health (HEALTHY-AGE Network), Spain
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Voskuil CC, Andrushko JW, Huddleston BS, Farthing JP, Carr JC. Exercise prescription and strategies to promote the cross-education of strength: a scoping review. Appl Physiol Nutr Metab 2023; 48:569-582. [PMID: 37156010 DOI: 10.1139/apnm-2023-0041] [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] [Indexed: 05/10/2023]
Abstract
The cross-education of strength is moderated by exercise design and prescription in clinical and non-clinical populations. This review synthesizes the available evidence regarding exercise design strategies for unilateral resistance training and provides evidence-based recommendations for the prescription of unilateral training to maximize the cross-education of strength. Greater insights regarding the timing and effectiveness of cross-education interventions in clinical scenarios will strengthen the use of unilateral resistance training for individuals who may benefit from its use.
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Affiliation(s)
- Caleb C Voskuil
- Department of Kinesiology, Texas Christian University, Fort Worth TX, USA
| | - Justin W Andrushko
- Faculty of Medicine, Department of Physical Therapy, The University of British Columbia, Vancouver BC, Canada
| | - Boglarka S Huddleston
- Health Sciences Librarian, Mary C. Burnett Library, Texas Christian University, Fort Worth TX, USA
| | | | - Joshua C Carr
- Department of Kinesiology, Texas Christian University, Fort Worth TX, USA
- Department of Medical Education, Texas Christian University School of Medicine, Fort Worth TX, USA
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Bowen W, Frazer AK, Tallent J, Pearce AJ, Kidgell DJ. Unilateral Strength Training Imparts a Cross-Education Effect in Unilateral Knee Osteoarthritis Patients. J Funct Morphol Kinesiol 2022; 7:jfmk7040077. [PMID: 36278738 PMCID: PMC9589957 DOI: 10.3390/jfmk7040077] [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: 08/15/2022] [Revised: 09/22/2022] [Accepted: 09/23/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Worldwide, 86 million individuals over the age of 20 were diagnosed with knee osteoarthritis (KOA) in 2020. Hallmark features of KOA are the loss in knee extensor strength, increasing knee pain severity, and deficits in functional performance. There is a critical need for the investigation into potential cost-effective therapeutic interventions in the treatment of KOA. A potential therapeutic option is the cross-education phenomenon. Methods: This was a non-blinded randomized control trial, with a 4-week intervention, with a pre, post and follow-up assessment (3 months post intervention). Outcome measures of isometric knee extensor strength, rectus femoris muscle thickness and neuromuscular activation were assessed at all-time points. Results: Compared to age-matched KOA controls, 4 weeks of unilateral strength training in end-stage KOA patients increased strength of the untrained affected KOA limb by 20% (p < 0.05) and reduced bilateral hamstring co-activation in the KOA intervention group compared to the KOA control group (p < 0.05). Conclusions: A 4-week-long knee extensor strength training intervention of the contralateral limb in a cohort with diagnosed unilateral KOA resulted in significant improvements to knee extensor strength and improved neuromuscular function of the KOA limb. Importantly, these results were maintained for 3 months following the intervention.
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Affiliation(s)
- Warren Bowen
- School of Exercise and Nutrition Sciences, Deakin University, Melbourne 3125, Australia
- College of Science, Health and Engineering, La Trobe University, Melbourne 3086, Australia
| | - Ashlyn K. Frazer
- Monash Exercise Neuroplasticity Research Unit, Department of Physiotherapy, Monash University, Melbourne 3800, Australia
| | - Jamie Tallent
- Monash Exercise Neuroplasticity Research Unit, Department of Physiotherapy, Monash University, Melbourne 3800, Australia
- School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Colchester CO4 3SQ, UK
| | - Alan J. Pearce
- College of Science, Health and Engineering, La Trobe University, Melbourne 3086, Australia
| | - Dawson J. Kidgell
- Monash Exercise Neuroplasticity Research Unit, Department of Physiotherapy, Monash University, Melbourne 3800, Australia
- Correspondence: ; Tel.: +61-3-9904-4119
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Zeng CY, Zhang ZR, Tang ZM, Hua FZ. Benefits and Mechanisms of Exercise Training for Knee Osteoarthritis. Front Physiol 2022; 12:794062. [PMID: 34975542 PMCID: PMC8716769 DOI: 10.3389/fphys.2021.794062] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/19/2021] [Indexed: 01/09/2023] Open
Abstract
Knee osteoarthritis is a chronic degenerative disease. Cartilage and subchondral bone degeneration, as well as synovitis, are the main pathological changes associated with knee osteoarthritis. Mechanical overload, inflammation, metabolic factors, hormonal changes, and aging play a vital role in aggravating the progression of knee osteoarthritis. The main treatments for knee osteoarthritis include pharmacotherapy, physiotherapy, and surgery. However, pharmacotherapy has many side effects, and surgery is only suitable for patients with end-stage knee osteoarthritis. Exercise training, as a complementary and adjunctive physiotherapy, can prevent cartilage degeneration, inhibit inflammation, and prevent loss of the subchondral bone and metaphyseal bone trabeculae. Increasing evidence indicates that exercise training can improve pain, stiffness, joint dysfunction, and muscle weakness in patients with knee osteoarthritis. There are several exercise trainings options for the treatment of knee osteoarthritis, including aerobic exercise, strength training, neuromuscular exercise, balance training, proprioception training, aquatic exercise, and traditional exercise. For Knee osteoarthritis (KOA) experimental animals, those exercise trainings can reduce inflammation, delay cartilage and bone degeneration, change tendon, and muscle structure. In this review, we summarize the main symptoms of knee osteoarthritis, the mechanisms of exercise training, and the therapeutic effects of different exercise training methods on patients with knee osteoarthritis. We hope this review will allow patients in different situations to receive appropriate exercise therapy for knee osteoarthritis, and provide a reference for further research and clinical application of exercise training for knee osteoarthritis.
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Affiliation(s)
- Chu-Yang Zeng
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Zhen-Rong Zhang
- School of Rehabilitation, Capital Medical University, Beijing, China
| | - Zhi-Ming Tang
- Department of Orthopedics, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China
| | - Fu-Zhou Hua
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
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Aily JB, de Almeida AC, de Noronha M, Mattiello SM. Effects of a periodized circuit training protocol delivered by telerehabilitation compared to face-to-face method for knee osteoarthritis: a protocol for a non-inferiority randomized controlled trial. Trials 2021; 22:887. [PMID: 34872597 PMCID: PMC8646353 DOI: 10.1186/s13063-021-05856-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 11/22/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Regular exercise is an effective method for reducing pain and disability in patients with knee osteoarthritis (OA), as well as improving body composition. Thus, a combination of both resistance and aerobic training (circuit training) has shown to be promising for this population. However, access to physical therapy is limited by physical distance, social isolation, and/or treatment costs. Remote rehabilitation seems to be an effective way to minimize these barriers, but the benefits are dependent on the participants' adherence to the interventions provided at a distance. The objectives of this protocol are to compare the effects of a periodized circuit training applied via telerehabilitation with the same protocol applied in the face-to-face model for individuals with knee OA. METHODS This study presents a single-blinded protocol for a non-inferiority randomized controlled trial. One hundred participants diagnosed with knee OA (grades II and III Kellgren and Lawrence system), aged 40 years or more, and BMI < 30 kg/m2 will be randomly divided into two groups: telerehabilitation (TR) and face-to-face (FtF) circuit training. The FtF group will perform a 14-week periodized circuit training protocol supervised by a physical therapist, 3 times a week. The TR group will perform the same exercise protocol at home, at least 3 times a week. In addition, the TR group will be able to follow the execution and orientations of the exercises by DVD, a website, and online file sharing tools, and they will receive periodic phone calls in order to motivate, clarify, and inform some aspects of knee OA. The primary outcomes are changes in self-reported pain intensity (visual analog scale (VAS)) and physical function (Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)), with a primary end-point of 14 weeks and a secondary end-point of 26 weeks. Secondary outcomes include changes in other clinical outcomes, in morphological characteristics, adherence, acceptability, and treatment perspective. DISCUSSION A circuit training through telerehabilitation may contribute to developing early intervention in the causative and potentiating factors of the knee OA, verifying the effects of a low-cost, non-pharmacological and non-invasive treatment. TRIAL REGISTRATION Brazilian Registry of Clinical Trials (ReBEC) ID: RBR-662hn2. Registered on 31 March 2019. Link: http://www.ensaiosclinicos.gov.br ; Universal Trial Number (UTN) of World Health Organization: U1111-1230-9517.
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Affiliation(s)
- Jéssica Bianca Aily
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), São Carlos, Brazil
| | | | - Marcos de Noronha
- Rural Health School, Community and Allied Health Department, La Trobe University, Melbourne, Australia
| | - Stela Marcia Mattiello
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), São Carlos, Brazil.
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Mean femoral cartilage thickness is higher in athletes as compared with sedentary individuals. Knee Surg Sports Traumatol Arthrosc 2021; 29:1206-1214. [PMID: 32671433 DOI: 10.1007/s00167-020-06146-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 07/10/2020] [Indexed: 11/11/2022]
Abstract
PURPOSE It is unclear how high-intensity physical activity (HIPA) affects the knee joint, specifically the femoral cartilage (FC). Therefore, the aims of this study were to evaluate FC thickness via ultrasound among elite athletes involved in different types of HIPA, and to determine whether there is a correlation between serum cartilage oligomeric matrix protein (sCOMP) and rectus femoris (RF) thickness. METHOD A total of 132 male individuals participated in this study and were assigned to two groups, the sedentary (n = 43, 23.9 ± 3.7) and athlete groups (n = 89, 22.7 ± 4.6), which did not significantly differ in age. The athletes were elite and performed HIPA during sports such as volleyball (n = 20), soccer (n = 21), basketball (n = 28), and weightlifting (n = 20). RF thickness and three (mid-point) measurements were obtained for each knee. The mean FC thickness for each knee was defined as the sum of the medial, lateral condyles, and intercondylar areas. Blood samples for sCOMP analyses were also obtained. RESULTS All the measurements of the FC of both knees were significantly higher in the athletes than in the sedentary individuals (p < 0.001 and p = 0.001). The mean right and left FC values were also higher in the athletes (p < 0.001). Multiple linear regression analysis showed that participation in sporting activities was a significant predictor associated with the right and left mean FC thickness (p < 0.001 for both). No significant differences in the sCOMP levels were found between the two groups. CONCLUSION It was found that the mean FC was higher among athletes than among sedentary individuals. As a result, it is suggested that sports' participation is an independent factor associated with the right and left mean FC thickness. LEVEL OF EVIDENCE III.
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Liao CD, Chen HC, Kuo YC, Tsauo JY, Huang SW, Liou TH. Effects of Muscle Strength Training on Muscle Mass Gain and Hypertrophy in Older Adults With Osteoarthritis: A Systematic Review and Meta-Analysis. Arthritis Care Res (Hoboken) 2020; 72:1703-1718. [PMID: 31628720 DOI: 10.1002/acr.24097] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 10/15/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To investigate the effect of muscle strength exercise training (MSET) on lean mass (LM) gain and muscle hypertrophy in older patients with lower extremity osteoarthritis (OA). METHODS A comprehensive search of online databases was performed on April 20, 2019. Randomized controlled trials (RCTs) that reported the effects of MSET on LM, muscle thickness, and cross-sectional area (CSA) in older patients with OA were identified. A risk of bias assessment and meta-analysis were performed for the included RCTs. RESULTS We included 19 RCTs with a median Physiotherapy Evidence Database score of 6 of 10 (range 3-7). In total, data from 1,195 patients (65% women, 85% with knee OA) with a mean age of 62.1 years (range 40-86 years) were analyzed. MSET resulted in significantly higher LM gain (standardized mean difference [SMD] 0.49 [95% confidence interval (95% CI) 0.28, 0.71], P < 0.00001) than did the nonexercise controls. Meta-analysis results revealed significantly positive effects of MSET on muscle thickness (SMD 0.82 [95% CI 0.20, 1.43], P = 0.009) and CSA (SMD 0.80 [95% CI 0.25, 1.35], P = 0.004) compared with nonexercise controls. No significant effects in favor of MSET were observed for any muscle outcome compared with exercise controls. Five RCTs reported nonsevere adverse events in response to MSET, whereas no RCTs reported severe events. CONCLUSION MSET is effective in increasing LM and muscle size in older adults with OA. Clinicians should incorporate MSET into their management of patients at risk of low muscle mass to maximize health status, particularly for older individuals with OA.
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Affiliation(s)
- Chun-De Liao
- National Taiwan University and Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
| | - Hung-Chou Chen
- Shuang Ho Hospital and Taipei Medical University, Taipei, Taiwan
| | - Yu-Chi Kuo
- National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
| | | | - Shih-Wei Huang
- Shuang Ho Hospital and Taipei Medical University, Taipei, Taiwan, and National Taiwan Sport University, Taoyuan, Taiwan
| | - Tsan-Hon Liou
- Shuang Ho Hospital and Taipei Medical University, Taipei, Taiwan
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Muscle thickness contribution to sit-to-stand ability in institutionalized older adults. Aging Clin Exp Res 2020; 32:1477-1483. [PMID: 31463929 DOI: 10.1007/s40520-019-01328-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 08/16/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Ultrasound is a low-cost, safe and accessible tool to use on muscle mass assessment. The relations between muscle thickness and lower limb function have not been investigated in institutionalized elderly people. AIM The purpose of the present study was to investigate the associations among sit-to-stand capacity, ultrasound-measured rectus femoris muscle thickness, hand grip strength and anthropometrics in a population of institutionalized older adults. METHODS Twelve older adults (nine women and three men, mean age ± SD 86 ± 7 years, body mass index 24 ± 3 kg/m2) participated in this cross-sectional study. Sit-to-stand capacity using five-repetition sit-to-stand test, rectus femoris muscle thickness using B-mode ultrasonography, handgrip and anthropometric were measured. The relationships of the variables were analyzed using Pearson correlation coefficient and multiple linear regression analysis. RESULTS Significant bivariate correlations were found between rectus femoris muscle thickness and sit-to-stand test (p < 0.05). Multiple linear regression analysis showed associations between rectus femoris muscle thickness and sit-to-stand test, after adjusting by body mass index and age (p < 0.0001). DISCUSSION Rectus femoris thickness in contraction adjusted by body mass index and age was predictors of physical performance. The independent variables shared 78.6% of variance in the sit-to-stand test. CONCLUSIONS Rectus femoris muscle thickness measured with ultrasonography, body mass index and age could explain functionality in institutionalized older adults measured by five-repetition sit-to-stand test.
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Myers BJ. Isokinetic testing of muscle strength in older adults with knee osteoarthritis: An integrative review. ISOKINET EXERC SCI 2020. [DOI: 10.3233/ies-201150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Effects of Elastic Resistance Exercise After Total Knee Replacement on Muscle Mass and Physical Function in Elderly Women With Osteoarthritis: A Randomized Controlled Trial. Am J Phys Med Rehabil 2020; 99:381-389. [PMID: 31687984 DOI: 10.1097/phm.0000000000001344] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVE Knee osteoarthritis and age are associated with high sarcopenia risk, especially in patients who have received total knee replacement. The aim of this study was to identify the effects of elastic resistance exercise training after total knee replacement on muscle mass and physical outcomes in older women with knee osteoarthritis. DESIGN Sixty older women who received unilateral primary total knee replacement surgery were randomized to an experimental group, which received 12 wks of postoperative elastic resistance exercise training, or a control group, which received standard care. The outcome measures included physical function performance (ie, Timed Up & Go, gait speed, forward reach, single-leg stance, timed chair rise), appendicular lean mass, and the Western Ontario and McMaster Universities Osteoarthritis Index. The assessment time points were 2 wks before surgery (T0), 1 mo after surgery (T1, before resistance exercise training), and 4 mos after surgery (T2, upon completion of resistance exercise training). RESULTS After 12 wks of postoperative elastic resistance exercise training, the experimental group exhibited a significantly greater change in appendicular lean mass (mean difference = 0.81 kg, P = 0.004) than the control group. Elastic resistance exercise training also exerted significant effects on Timed Up & Go and gait speed with mean differences of 0.28 m/sec (P < 0.001) and -2.66 secs (P < 0.001), respectively. CONCLUSIONS A 12-wk elastic resistance exercise training program after total knee replacement exerted benefits on muscle mass, mobility, and Western Ontario and McMaster Universities Osteoarthritis Index functional outcomes in older women with knee osteoarthritis.
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Korkmaz E, Dönmez G, Uzuner K, Babayeva N, Torgutalp ŞŞ, Özçakar L. Effects of Blood Flow Restriction Training on Muscle Strength and Architecture. J Strength Cond Res 2020; 36:1396-1403. [PMID: 32287091 DOI: 10.1519/jsc.0000000000003612] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Korkmaz, E, Dönmez, G, Uzuner, K, BabayevaŞerife Şeyma Torgutalp, N, and Özçakar, L. Effects of blood flow restriction training on muscle strength and architecture. J Strength Cond Res XX(X): 000-000, 2020-The aim of this study was to compare the effect of the traditional resistance (RES) training and low-intensity resistance training with blood flow restriction (BFR) protocols on quadriceps and hamstring muscle strength, and rectus femoris (RF) and vastus lateralis architecture, in youth team soccer players. Twenty-three young trained soccer team players were divided into 2 groups: the RES group that practiced traditional high-intensity resistance training (80% 1 repetition maximum [1RM], 4 sets, 12 rep.) (n = 12) and the BFR group that performed low-intensity resistance exercise with BFR (30% 1RM, 4 sets, 30-15-15-15 rep) (n = 11)-unilateral knee extension exercise-twice a week for 6 weeks. Muscle strength (isokinetic concentric peak torque of the quadriceps and hamstring muscles) and ultrasonographic parameters (muscle thickness, pennation angle, and fascicle length) were assessed. Bilateral knee flexor and extensor strength was increased in both groups compared with pre-exercise. The increase in dominant side extensor muscle strength (60°·s p = 0.02, ηp = 0.256, 180°·s p = 0.019, ηp = 0.271) and RF thickness (p = 0.002, ηp = 0.361) was statistically higher in the BFR group than in the RES group. These findings support that occlusion training can provide better benefits than traditional strength training to improve muscle hypertrophy. In addition, the novelty of our study is that BFR training may affect the muscle structure measured by ultrasonography.
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Affiliation(s)
| | - Gürhan Dönmez
- Gençlerbirliği Sports Club, Ankara, Turkey.,Department of Sports Medicine, Hacettepe University Medical School, Ankara, Turkey
| | - Kubilay Uzuner
- Department of Physiology, Eskişehir Osmangazi University, School of Medicine, Eskişehir, Turkey
| | - Naila Babayeva
- Department of Sports Medicine, Hacettepe University Medical School, Ankara, Turkey
| | | | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
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de Almeida AC, Aily JB, Pedroso MG, Gonçalves GH, de Carvalho Felinto J, Ferrari RJ, Pastre CM, Mattiello SM. A periodized training attenuates thigh intermuscular fat and improves muscle quality in patients with knee osteoarthritis: results from a randomized controlled trial. Clin Rheumatol 2019; 39:1265-1275. [PMID: 31865505 DOI: 10.1007/s10067-019-04892-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/03/2019] [Accepted: 12/11/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVE To analyze the influence of a 14-week periodized circuit training (CT) protocol on thigh intermuscular fat and muscle quality (force per unit area of lean tissue) in patients with knee osteoarthritis (KOA). DESIGN Randomized controlled trial METHODS: Sixty-one selected participants with KOA grades 2 and 3, 40-65 years old, and BMI < 30 kg/m2 were randomized into three groups: CT, conventional strength training (ST), and educational protocol (EP). The CT and ST protocols consisted of 14-week training protocols conducted 3 times a week. The CT group performed exercises stratified as light, moderate, and intense, arranged progressively in a circuit model. The ST group performed conventional strength exercises, and the EP group participated in lectures twice a month about healthy lifestyles. Baseline and follow-up (week 0 and week 14) evaluations were conducted for thigh intermuscular fat (computed tomography), knee extension maximal isometric voluntary contraction (MIVC), and muscle quality (knee extension MIVC/muscle mass cross-sectional area). RESULTS Only the CT group presented significant reductions in thigh intermuscular fat (p = 0.003) and significantly lower values in week 14 compared with the EP (p = 0.032). Both trained groups presented significant increases in muscle mass area (p=0.002 for CT and p=0.008 for ST) and increments in knee extension MIVC (p=0,033 for CT nd p=0.019 for ST) in week 14 compared with the EP and increases in muscle quality (p = 0.004 and 0.042). CONCLUSION It can be concluded that a 14-week periodized CT protocol attenuates thigh intermuscular fat and improves muscle quality in patients with KOA. TRIAL REGISTRATION ClinicalTrials.gov, NCT02761590; https://clinicaltrials.gov/ct2/show/NCT02761590Key Points•Fourteen weeks of periodized circuit training attenuates thigh intermuscular fat in patients with knee osteoarthritis.•Circuit training is as effective as strength training for improving muscle mass, strength, and quality.
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Affiliation(s)
- Aline Castilho de Almeida
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Washington Luís Rd, 235 km - SP-310, São Carlos, SP, 13565-905, Brazil.
| | - Jessica Bianca Aily
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Washington Luís Rd, 235 km - SP-310, São Carlos, SP, 13565-905, Brazil
| | - Maria Gabriela Pedroso
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Washington Luís Rd, 235 km - SP-310, São Carlos, SP, 13565-905, Brazil
| | - Glaucia Helena Gonçalves
- Integrated Health Institute, Federal University of Mato Grosso do Sul (UFMS), Costa e Silva Av., Campo Grande, MS, 79070-900, Brazil
| | - Jonas de Carvalho Felinto
- Department of Computer Science, Federal University of São Carlos (UFSCar), Washington Luís Rd, 235 km - SP-310, São Carlos, SP, 13565-905, Brazil
| | - Ricardo José Ferrari
- Department of Computer Science, Federal University of São Carlos (UFSCar), Washington Luís Rd, 235 km - SP-310, São Carlos, SP, 13565-905, Brazil
| | - Carlos Marcelo Pastre
- Department of Physical Therapy, São Paulo State University (UNESP), 305 Roberto Simonsen St., Presidente Prudente, SP, 19060-900, Brazil
| | - Stela Marcia Mattiello
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Washington Luís Rd, 235 km - SP-310, São Carlos, SP, 13565-905, Brazil
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Ultrasound Imaging and Rehabilitation of Muscle Disorders: Part 1. Traumatic Injuries. Am J Phys Med Rehabil 2019; 98:1133-1141. [PMID: 31469682 DOI: 10.1097/phm.0000000000001307] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Ultrasound imaging has several advantages that include the absence of radiation, portability, excellent resolution of neuromuscular structures, and the ability to perform dynamic examinations. Traumatic muscle injury can be comprehensively evaluated using static, dynamic, and Doppler ultrasound imaging. In the present review, we briefly discuss mechanisms of traumatic muscle injury, present ultrasound images of normal muscles, focus on ultrasound assessment of injured muscles, and concisely discuss treatment and rehabilitation options for muscle injuries.
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Evaluation of vastus lateralis architecture and strength of knee extensors in middle-aged and older individuals with knee osteoarthritis. Clin Rheumatol 2019; 38:2603-2611. [DOI: 10.1007/s10067-019-04539-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 03/25/2019] [Accepted: 03/29/2019] [Indexed: 12/20/2022]
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Rehabilitation following regenerative medicine treatment for knee osteoarthritis-current concept review. J Clin Orthop Trauma 2019; 10:59-66. [PMID: 30705534 PMCID: PMC6349636 DOI: 10.1016/j.jcot.2018.10.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 10/12/2018] [Accepted: 10/25/2018] [Indexed: 12/15/2022] Open
Abstract
The purpose of this manuscript is to provide a current concept review for the rehabilitative management of knee osteoarthritis (KOA) following regenerative medicine intervention. A proposed comprehensive regenerative rehabilitative program has been created, based on a literature review of the current best practices of rehabilitative methods and non-operative management in KOA patients with an emphasis on the goals of regenerative medicine: to optimize self-healing and functional tissue recovery. Regenerative medicine promotes regeneration and joint restoration by using blood-based procedures such as platelet rich plasma, stem cell and cell-based or tissue engineering. Regenerative medicine procedures are variable and lack of standardization in product preparation, administration, and different treatment protocols. The lack of standardization imposes challenges in regenerative rehabilitation. Over the last decade, there is growing evidence in regenerative medicine and its uses in non-operative management of various pathologies. Advances in regenerative medicine technologies brings radical innovations to establish new and effective rehabilitation protocols promoting restoration of function through tissue regeneration and repair optimizing the standard of care, specifically in rehabilitation when combined with regenerative protocols for patients with KOA is the most common degenerative disease in the knee and can affect any synovial joint in the body. It is a leading cause of disability affecting the quality of lives of millions of people world-wide. Conventional methods of mild to moderate KOA are focused on short-term symptomatic relief and do not promote joint homeostasis or regeneration of injured tissue. Regenerative medicine emphasizes a paradigm shift in patient-centered care promoting regeneration and joint restoration by using blood-based procedures such as platelet rich plasma, stem cell and cell-based or tissue engineering. The purpose of this current concept review is to outline a comprehensive post-regenerative rehabilitative program in the management of KOA based on the best available evidence. Our proposed regenerative rehabilitation program is intended to align the goals of regenerative medicine with the current, high-level evidence of non-operative management for KOA, to optimize self-healing and functional tissue recovery.
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de Almeida AC, Pedroso MG, Aily JB, Gonçalves GH, Pastre CM, Mattiello SM. Influence of a periodized circuit training protocol on intermuscular adipose tissue of patients with knee osteoarthritis: protocol for a randomized controlled trial. BMC Musculoskelet Disord 2018; 19:421. [PMID: 30497420 PMCID: PMC6267088 DOI: 10.1186/s12891-018-2325-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 10/26/2018] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The objective of this study is to analyze the influence of a 14-week periodized circuit training protocol on patients with knee osteoarthritis (OA), in randomized intervention groups, on thigh intermuscular adipose tissue (interMAT), body composition, systemic inflammation, cartilage degradation, and its repercussion on pain, functional performance and quality of life. METHODS This study presents a protocol for a randomized controlled trial. Sixty selected participants diagnosed with knee OA grades II and III, 40-65 years old and BMI < 30 kg/m2, will be randomly divided into three groups:periodized circuit training, strength training, and educational protocol. The circuit training and strength training protocols consist of 14-week training protocols conducted 3 times a week. The circuit training group will perform selected exercises previously stratified as light, moderate, and intense, arranged progressively in a circuit model, the strength group will perform regular strength exercises, and the educational protocol group will participate in a 14-week protocol with lectures twice a month about healthy lifestyles. Baseline and follow-up evaluations will be conducted for thigh interMAT (computed tomography), body composition (DXA), inflammation (IL-1β, IL-6, IL-10, TNF-α, leptin, and adiponectin), and joint degradation biomarkers (uCTX-II and sCOMP), performance-based tests (30s Chair Stand Test, 40 m Fast-paced Walk Test and Stair Climb Test), quadriceps and hamstring maximal isometric voluntary contraction (MIVC), and questionnaires (WOMAC and pain catastrophizing scale). Repeated measures ANOVA will be used to compare differences between groups (circuit training X strength training X educational protocol) at the different times of assessment (baseline x follow-up or baseline x during protocol x follow-up) for each of the dependent variables. When significant main effects were found, the pots hoc Bonferroni test will be used to identify statistical differences. A significance level of 5% (p < 0.05) will be adopted. DISCUSSION This will be the first randomized controlled trial to assess the effects of a circuit training protocol on patients with knee OA on thigh intermuscular adipose tissue (interMAT). Given the prevalence and impact of OA and the widespread availability of this intervention, assessing the efficacy of a low-cost, non-pharmacological, and non-invasive treatment for knee OA patients has the potential for immediate and high clinical impact. TRIAL REGISTRATION ClinicalTrials.gov, NCT02761590 , registered in May 4, 2016.
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Affiliation(s)
- Aline Castilho de Almeida
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Km 235,Rod. Washington Luís–SP310, Postal code, São Carlos, (SP) 13565-905 Brazil
| | - Maria Gabriela Pedroso
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Km 235,Rod. Washington Luís–SP310, Postal code, São Carlos, (SP) 13565-905 Brazil
| | - Jessica Bianca Aily
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Km 235,Rod. Washington Luís–SP310, Postal code, São Carlos, (SP) 13565-905 Brazil
| | - Glaucia Helena Gonçalves
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Km 235,Rod. Washington Luís–SP310, Postal code, São Carlos, (SP) 13565-905 Brazil
| | - Carlos Marcelo Pastre
- Department of Physical Therapy, São Paulo State University (UNESP) - School of Sciences and Technology, 305, Roberto Simonsen St., Presidente Prudente, (SP) 19060-900 Brazil
| | - Stela Marcia Mattiello
- Department of Physical Therapy, Federal University of São Carlos (UFSCar), Km 235,Rod. Washington Luís–SP310, Postal code, São Carlos, (SP) 13565-905 Brazil
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Application of ultrasound for muscle assessment in sarcopenia: towards standardized measurements. Eur Geriatr Med 2018; 9:739-757. [DOI: 10.1007/s41999-018-0104-9] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 08/29/2018] [Indexed: 12/22/2022]
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Lee SEK, Lira CABD, Nouailhetas VLA, Vancini RL, Andrade MS. Do isometric, isotonic and/or isokinetic strength trainings produce different strength outcomes? J Bodyw Mov Ther 2017; 22:430-437. [PMID: 29861246 DOI: 10.1016/j.jbmt.2017.08.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 08/09/2017] [Accepted: 08/13/2017] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Several studies have been developed to determine which type of muscular action (isometric, isotonic and isokinetic) elicits more gains in functional strength and muscle mass. The comparisons between training outcomes are inconclusive due to lack of exercise standardization. OBJECTIVE To compare muscle strength, mass, and functional performance in response to isometric, isotonic, and isokinetic contractions, when training loads (volume and intensity) are equated. METHOD Data were derived from a university community-recruited sample (n = 31 men). INTERVENTIONS Untrained men were assigned to isotonic (IT), isometric (IM), or isokinetic (IK) group, and trained their dominant quadriceps muscle 3 sessions/week for 8 weeks with a dynamometer. Muscle strength was assessed using Cybex 6000 dynamometer; the triple-hop-distance test was used to assess functional performance, and dual energy x-ray absorptiometry to assess lean muscle mass. RESULTS After training, muscle lean muscle mass increased in isometric (+3.1%, p < 0.01) and isotonic groups (+3.9%, p < 0.01); only the isokinetic group showed a significant improvement in the triple-hop-distance test (4.84%, p < 0.01). CONCLUSION Clinicians should consider isometric training as an alternative for isotonic training to gain muscle mass, and isokinetic training to improve functional performance of daily activities and/or sports.
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Affiliation(s)
- Sabrina Eun Kyung Lee
- Departamento de Fisiologia, Escola Paulista de Medicina, Universidade Federal de São, São Paulo, SP, Brazil
| | - Claudio Andre Barbosa de Lira
- Setor de Fisiologia Humana e do Exercício, Laboratório de Avaliação do Movimento Humano, Faculdade de Educação Física e Dança, Universidade Federal de Goiás, Goiânia, GO, Brazil
| | | | - Rodrigo Luiz Vancini
- Centro de Educação Física e Desportos, Universidade Federal do Espírito Santo, Viória, ES, Brazil
| | - Marilia Santos Andrade
- Departamento de Fisiologia, Escola Paulista de Medicina, Universidade Federal de São, São Paulo, SP, Brazil.
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Russell W, Pritchard-Wiart L, Manns PJ. Clinician perspectives on cross-education in stroke rehabilitation. Disabil Rehabil 2017; 40:2644-2649. [DOI: 10.1080/09638288.2017.1356382] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- William Russell
- Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada
| | - Lesley Pritchard-Wiart
- Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada
| | - Patricia J. Manns
- Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada
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Fujisawa C, Tamaki A, Yamada E, Matsuoka H. Influence of gender on muscle fatigue during dynamic knee contractions. Phys Ther Res 2017; 20:1-8. [PMID: 28781931 DOI: 10.1298/ptr.e9889] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 10/07/2016] [Indexed: 11/23/2022]
Abstract
PURPOSE The purpose was to compare quadriceps muscle fatigue and change in surface electromyogram (sEMG) spectral power, muscle thickness, and peak torque (normalized by body weight) in men and women during isokinetic knee contractions. METHODS Nineteen healthy volunteers (10 men, 9 women) participated. The volunteers performed 32 consecutive maximal isokinetic knee contractions for peak torque and muscle fatigue index (FI). The sEMG data were analyzed using wavelet analysis for median frequency (MF). Muscle thickness was measured using ultrasonography. RESULTS Men had a significantly higher FI, peak torque (Nm/kg), muscle thickness than women (p<0.05). A significant linear decreased MF slope in the vastus lateralis was observed (p<0.05) in men than in women. There was no significant difference in MF slope in the vastus medialis between men and women. CONCLUSION During muscle fatigue assessment, men had a significantly greater muscle thickness, knee extension peak torque, and a higher decrease of MF slope than women. Our results indicate that specific muscle fatigue observed during repeated muscle knee contractions is significantly influence by gender and affects MF slope, knee extension peak torque, and muscle thickness.
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Affiliation(s)
- Chiharu Fujisawa
- Shinko Hospital Rehabilitation Center.,Graduate School of Health Science, Hyogo University of Health Sciences
| | - Akira Tamaki
- Graduate School of Health Science, Hyogo University of Health Sciences
| | - Eiji Yamada
- Kaisei General Hospital, Department of Physical Therapy, Joint Surgical Center
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Beyer KS, Fukuda DH, Boone CH, Wells AJ, Townsend JR, Jajtner AR, Gonzalez AM, Fragala MS, Hoffman JR, Stout JR. Short-Term Unilateral Resistance Training Results in Cross Education of Strength Without Changes in Muscle Size, Activation, or Endocrine Response. J Strength Cond Res 2016; 30:1213-23. [PMID: 26466136 DOI: 10.1519/jsc.0000000000001219] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Short-term unilateral resistance training results in cross education of strength without changes in muscle size, activation, or endocrine response. J Strength Cond Res 30(5): 1213-1223, 2016-The purpose of this study was to assess the cross education of strength and changes in the underlying mechanisms (muscle size, activation, and hormonal response) after a 4-week unilateral resistance training (URT) program. A group of 9 untrained men completed a 4-week URT program on the dominant leg (DOM), whereas cross education was measured in the nondominant leg (NON); and were compared with a control group (n = 8, CON). Unilateral isometric force (PKF), leg press (LP) and leg extension (LE) strength, muscle size (by ultrasonography) and activation (by electromyography) of the rectus femoris and vastus lateralis, and the hormonal response (testosterone, growth hormone, insulin, and insulin-like growth factor-1) were tested pretraining and posttraining. Group × time interactions were present for PKF, LP, LE, and muscle size in DOM and for LP in NON. In all interactions, the URT group improved significantly better than CON. There was a significant acute hormonal response to URT, but no chronic adaptation after the 4-week training program. Four weeks of URT resulted in an increase in strength and size of the trained musculature, and cross education of strength in the untrained musculature, which may occur without detectable changes in muscle size, activation, or the acute hormonal response.
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Affiliation(s)
- Kyle S Beyer
- Institute of Exercise Physiology and Wellness, University of Central Florida, Orlando, Florida
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Ruhdorfer A, Wirth W, Eckstein F. Longitudinal Change in Thigh Muscle Strength Prior to and Concurrent With Minimum Clinically Important Worsening or Improvement in Knee Function: Data From the Osteoarthritis Initiative. Arthritis Rheumatol 2016; 68:826-36. [PMID: 26556499 DOI: 10.1002/art.39484] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 10/27/2015] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To investigate whether a clinically relevant change in knee function in patients with or at risk for osteoarthritis (OA) of the knee is associated with concurrent or prior change in thigh muscle strength. METHODS Participants in the Osteoarthritis Initiative (n = 2,675 [1,485 women and 1,190 men]) with available measurements of isometric muscle strength at baseline, 2-year follow-up, and 4-year follow-up were grouped into those with greater than minimum clinically important worsening (score of ≥6 [of a possible 68] on the Western Ontario and McMaster Universities Osteoarthritis Index function subscale) between 2-year follow-up and 4-year follow-up, those with greater than minimum clinically important improvement, and those without relevant change. Changes in isometric muscle strength concurrent with function change (between 2-year follow-up and 4-year follow-up) and preceding function change (between baseline and 2-year follow-up), with 95% confidence intervals (95% CIs), were determined, and differences between groups were assessed by analysis of covariance. RESULTS Concurrent loss in extensor muscle strength in participants with worsening knee function during the 2-year follow-up-4-year follow-up period differed significantly from that in participants without change in knee function (-4.6% [95% CI -6.8, -2.4] and -2.2% [95% CI -3.0, -1.4], respectively; P = 0.03), as did the concurrent increase in strength among those with functional improvement (2.2% [95% CI -0.3, 4.7]; P < 0.0001). This increase in strength among subjects with improved function remained significantly different from the change in subjects with no change in function after adjustment for covariates, but was preceded by a greater loss in strength (-7.7% [95% CI -10.3, -5.0], P = 0.02) during the baseline-year 2 period compared to those without change in function during the year 2-year 4 period (-4.3% [95% CI -5.2, -3.4]). The decrease in strength during the baseline-year 2 period in those with worsening knee function during the year 2-year 4 period (-4.5% [95% CI -6.9, -2.2]) did not differ significantly from that in patients without a change in function (P = 0.87). No differences in changes in flexor muscle strength were observed between groups. CONCLUSION These findings suggest that there is a positive concurrent longitudinal association between change in extensor muscle strength and worsening/improvement in knee function in patients with knee OA. However, a corresponding change in thigh muscle strength preceding the change in function was not observed.
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Affiliation(s)
| | - Wolfgang Wirth
- Paracelsus Medical University, Salzburg, Austria, and Chondrometrics GmbH, Ainring, Germany
| | - Felix Eckstein
- Paracelsus Medical University, Salzburg, Austria, and Chondrometrics GmbH, Ainring, Germany
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Şahin Onat Ş, Malas FÜ, Öztürk GT, Akkaya N, Kara M, Özçakar L. Ultrasonographic assessment of the quadriceps muscle and femoral cartilage in transtibial amputees using different prostheses. Prosthet Orthot Int 2016; 40:484-9. [PMID: 26163535 DOI: 10.1177/0309364615592701] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 05/10/2015] [Indexed: 02/03/2023]
Abstract
BACKGROUND In patients with lower limb amputations, gait alteration, increased loading on the intact extremity, and use of prosthesis may lead to joint degeneration. OBJECTIVE To explore the effects of prosthesis type on quadriceps muscle and distal femoral cartilage thicknesses in transtibial amputees. STUDY DESIGN A cross-sectional study. METHODS A total of 38 below-knee amputees were enrolled in the study, of which 13 patients were using vacuum system type prosthesis and 25 patients were using silicon liner pin system prosthesis. Patients' femoral cartilage and quadriceps muscle thickness measurements were performed using musculoskeletal ultrasound. RESULTS When compared with the intact sides, cartilage and rectus femoris, vastus intermedius, and vastus medialis muscle thickness values were significantly decreased on the amputee sides (all p < 0.05). Clinical characteristics and ultrasound measurements were similar between the two groups except the lateral and medial femoral condyle thicknesses, thinner in the silicon liner pin system users (both p < 0.05). CONCLUSION The distal femoral cartilage and quadriceps muscle thicknesses were found to be decreased on the amputated sides, and the negative impact on the cartilage seemed to be worse in the silicon liner pin system users. CLINICAL RELEVANCE This study might provide another argument as regards the preference of vacuum system type prosthesis to prevent possible knee osteoarthritis due to cartilage thinning in adult transtibial amputees.
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Affiliation(s)
- Şule Şahin Onat
- Ankara Physical Medicine and Rehabilitation Training and Research Hospital, Ankara, Turkey
| | - Fevziye Ünsal Malas
- Ankara Physical Medicine and Rehabilitation Training and Research Hospital, Ankara, Turkey
| | - Gökhan Tuna Öztürk
- Ankara Physical Medicine and Rehabilitation Training and Research Hospital, Ankara, Turkey
| | - Nuray Akkaya
- Department of Physical Medicine and Rehabilitation, Pamukkale University, Denizli, Turkey
| | - Murat Kara
- Department of Physical Medicine and Rehabilitation, Hacettepe University Medical School, Ankara, Turkey
| | - Levent Özçakar
- Department of Physical Medicine and Rehabilitation, Hacettepe University Medical School, Ankara, Turkey
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Shin MS, Sung YH. Effects of Massage on Muscular Strength and Proprioception After Exercise-Induced Muscle Damage. J Strength Cond Res 2016; 29:2255-60. [PMID: 25226328 DOI: 10.1519/jsc.0000000000000688] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Exercise-induced muscle damage (EIMD), which is commonly associated with eccentric exercise, unaccustomed exercise, and resistance training, may lead to delayed onset muscle soreness, swelling, decreased muscle strength, and range of motion. Many researchers have evaluated various interventions to treat the signs and symptoms of EIMD. However, the effects of massage after EIMD are unclear. Here, we investigated the effect of massage on muscle strength and proprioception after EIMD. All subjects randomly were divided into an EIMD-treated control group (n = 10) and a massage-treated after EIMD experimental group (n = 11). Exercise-induced muscle damage was induced by repeated exercise. Massage treatment was provided by physiotherapist for 15 minutes. It consists of light stroking, milking, friction, and skin rolling. Lactate was evaluated by Lactate Pro analyzer in pre- and postexercise. Surface electromyography (muscle activity) and sonography (muscle thickness) were used to confirm the muscular characteristics. Proprioception was investigated by dual inclinometer. As a result, massage treatment on the gastrocnemius after EIMD increased activation of the medial gastrocnemius during contraction (p ≤ 0.05). In the lateral and medial gastrocnemius, the θs, which is the angle between muscle fibers and superficial aponeurosis, showed a significant change (p ≤ 0.05). However, there are no differences in the θd, which is the angle between muscle fibers and deep aponeurosis. We also found that proprioceptive acuity in the ankle joint was significantly greater in the massage-treated experimental group compared with that in the control group (p ≤ 0.05). These findings suggest that massage of the gastrocnemius after EIMD can improve muscle strength and proprioception by influencing the superficial layer of the gastrocnemius.
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Affiliation(s)
- Mal-Soon Shin
- 1Department of Physiology, College of Medicine, Kyung Hee University, Seoul, Korea; and 2Department of Physical Therapy, College of Natural Science, Kyungnam University, Changwon-si, Korea
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Short-Term Effects of Neuromuscular Electrical Stimulation on Muscle Architecture of the Tibialis Anterior and Gastrocnemius in Children with Cerebral Palsy. Am J Phys Med Rehabil 2015; 94:728-33. [DOI: 10.1097/phm.0000000000000238] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ruhdorfer A, Wirth W, Eckstein F. Relationship between isometric thigh muscle strength and minimum clinically important differences in knee function in osteoarthritis: data from the osteoarthritis initiative. Arthritis Care Res (Hoboken) 2015; 67:509-18. [PMID: 25303012 DOI: 10.1002/acr.22488] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Accepted: 09/23/2014] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To determine the relationship between thigh muscle strength and clinically relevant differences in self-assessed lower leg function. METHODS Isometric knee extensor and flexor strength of 4,553 Osteoarthritis Initiative participants (2,651 women and 1,902 men) was related to the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) physical function scores by linear regression. Further, groups of male and female participant strata with minimum clinically important differences (MCIDs) in WOMAC function scores (6 of 68 units) were compared across the full range of observed values and to participants without functional deficits (WOMAC score 0). The effect of WOMAC knee pain and body mass index on the above relationships was explored using stepwise regression. RESULTS Per regression equations, a 3.7% reduction in extensor strength and a 4.0% reduction in flexor strength were associated with an MCID in WOMAC function in women, and, respectively, a 3.6% and 4.8% reduction in men. For strength divided by body weight, reductions were 5.2% and 6.7%, respectively, in women and 5.8% and 6.7%, respectively, in men. Comparing MCID strata across the full observed range of WOMAC function confirmed the above estimates and did not suggest nonlinear relationships across the spectrum of observed values. WOMAC pain correlated strongly with WOMAC function, but extensor (and flexor) muscle strength contributed significant independent information. CONCLUSION Reductions of approximately 4% in isometric muscle strength and of 6% in strength per body weight were related to a clinically relevant difference in WOMAC functional disability. Longitudinal studies will need to confirm these relationships within persons. Muscle extensor (and flexor) strength (per body weight) provided significant independent information in addition to pain in explaining variability in lower leg function.
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Affiliation(s)
- Anja Ruhdorfer
- Institute of Anatomy, Paracelsus Medical University, Salzburg and Nuremberg, Salzburg, Austria
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Maly MR, Robbins SM. Osteoarthritis year in review 2014: rehabilitation and outcomes. Osteoarthritis Cartilage 2014; 22:1958-88. [PMID: 25456293 DOI: 10.1016/j.joca.2014.08.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 08/09/2014] [Accepted: 08/15/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To highlight research studies examining rehabilitation for hip and knee osteoarthritis (OA), as well as the outcome measures used to assess treatment efficacy, published in 2013. DESIGN A systematic search was performed in Medline, CIHAHL and Embase databases from January to December 2013. The search was limited to 2013, human studies, and English. Rehabilitation intervention studies included were prospective controlled designs. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) system was used to evaluate the quality of evidence. First, individual articles were rated for quality. Second, articles were grouped based on outcome: OA disease markers, pain, physical function (self-reported, performance), and health. RESULTS Of 503 titles reviewed, 36 studies were included. The outcome measures related to OA disease markers were organized into subthemes of anthropometrics, biomechanics and physiology. The quality of evidence was of moderate, high, and low quality for anthropometric, biomechanical and physiological measures respectively. These studies supported the use of diet for weight loss combined with exercise. Bodies of evidence that showed the efficacy of exercise and passive strategies (thermal/electrical modalities, traction, manual therapy) for reducing pain were of low and moderate quality respectively. The evidence supporting diet and exercise, physiotherapy, and passive strategies to improve physical function was of moderate quality. Evidence supporting exercise to improve psychological factors was of moderate quality. CONCLUSIONS Exercise combined with diet for weight loss should be the mainstays of rehabilitation for people with knee and hip OA to provide benefit to OA disease markers, pain, physical function, and health.
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Affiliation(s)
- M R Maly
- School of Rehabilitation Science, McMaster University, Canada.
| | - S M Robbins
- Centre for Interdisciplinary Research in Rehabilitation, Constance Lethbridge Rehabilitation Centre, School of Physical and Occupational Therapy, McGill University, Canada.
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