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Garcia SA, Johnson AK, Orzame M, Palmieri-Smith RM. Biomechanical Effects of Manipulating Preferred Cadence During Treadmill Walking in Patients With ACL Reconstruction. Sports Health 2024; 16:420-428. [PMID: 37021815 PMCID: PMC11025515 DOI: 10.1177/19417381231163181] [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: 04/07/2023] Open
Abstract
BACKGROUND Abnormal gait is common after anterior cruciate ligament reconstruction (ACLR) which may influence osteoarthritis risk in this population. Yet few gait retraining options currently exist in ACLR rehabilitation. Cueing cadence changes is a simple, low-cost method that can alter walking mechanics in healthy adults, but few studies have tested its effectiveness in an ACLR population. Here, we evaluated the acute effects of altering cadence on knee mechanics in patients 9 to 12 months post ACLR. HYPOTHESIS Cueing larger steps will facilitate larger knee angles and moments, while cueing smaller steps would induce smaller knee angles and moments. STUDY DESIGN Randomized cross-sectional design. LEVEL OF EVIDENCE Level 3. METHODS Twenty-eight patients with unilateral ACLR underwent gait assessments on a treadmill at preferred pace. Preferred walking gait was assessed first to obtain preferred cadence. Participants then completed trials while matching an audible beat set to 90% and 110% of preferred cadence in a randomized order. Three-dimensional sagittal and frontal plane biomechanics were evaluated bilaterally. RESULTS Compared with preferred cadence, cueing larger steps induced larger peak knee flexion moments (KFMs) and knee extension excursions bilaterally (P < 0.01), whereas cueing smaller steps only reduced knee flexion excursions (P < 0.01). Knee adduction moments remain unchanged across conditions and were similar between limbs (P > 0.05). Peak KFMs and excursions were smaller in the injured compared with uninjured limb (P < 0.01). CONCLUSION Frontal plane gait outcomes were unchanged across conditions suggesting acute cadence manipulations result in mainly sagittal plane adaptations. Follow-up studies using a longitudinal cadence biofeedback paradigm may be warranted to elucidate the utility of this gait retraining strategy after ACLR. CLINICAL RELEVANCE Cueing changes in walking cadence can target sagittal plane knee loading and joint range of motion in ACLR participants. This strategy may offer high clinical translatability given it requires relatively minimal equipment (ie, free metronome app) outside of a treadmill.
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Affiliation(s)
- Steven A. Garcia
- School of Kinesiology, University of Michigan, Ann Arbor, Michigan
- Orthopedic Rehabilitation and Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Alexa K. Johnson
- School of Kinesiology, University of Michigan, Ann Arbor, Michigan
- Orthopedic Rehabilitation and Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Marissa Orzame
- School of Kinesiology, University of Michigan, Ann Arbor, Michigan
- Orthopedic Rehabilitation and Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Riann M. Palmieri-Smith
- School of Kinesiology, University of Michigan, Ann Arbor, Michigan
- Orthopedic Rehabilitation and Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, Michigan
- Department of Orthopedic Surgery, Michigan Medicine, Ann Arbor, Michigan
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Zandiyeh P, Parola LR, Costa MQ, Hague MJ, Molino J, Fleming BC, Beveridge JE. Long-Term Bilateral Neuromuscular Function and Knee Osteoarthritis after Anterior Cruciate Ligament Reconstruction. Bioengineering (Basel) 2023; 10:812. [PMID: 37508839 PMCID: PMC10376226 DOI: 10.3390/bioengineering10070812] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/30/2023] Open
Abstract
Neuromuscular function is thought to contribute to posttraumatic osteoarthritis (PTOA) risk in anterior cruciate ligament (ACL)-reconstructed (ACLR) patients, but sensitive and easy-to-use tools are needed to discern whether complex muscle activation strategies are beneficial or maladaptive. Using an electromyography (EMG) signal analysis technique coupled with a machine learning approach, we sought to: (1) identify whether ACLR muscle activity patterns differed from those of healthy controls, and (2) explore which combination of patient outcome measures (thigh muscle girth, knee laxity, hop distance, and activity level) predicted the extent of osteoarthritic changes via magnetic resonance imaging (MRI) in ACLR patients. Eleven ACLR patients 10-15 years post-surgery and 12 healthy controls performed a hop activity while lower limb muscle EMG was recorded bilaterally. Osteoarthritis was evaluated based on MRI. ACLR muscle activity patterns were bilaterally symmetrical and differed from those of healthy controls, suggesting the presence of a global adaptation strategy. Smaller ipsilateral thigh muscle girth was the strongest predictor of inferior MRI scores. The ability of our EMG analysis approach to detect meaningful neuromuscular differences that could ultimately be related to thigh muscle girth provides the foundation to further investigate a direct link between muscle activation patterns and PTOA risk.
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Affiliation(s)
- Payam Zandiyeh
- Department of Orthopaedic Surgery, University of Texas Health Sciences Center at Houston, Houston, TX 77030, USA;
| | - Lauren R. Parola
- Department of Orthopaedics, Rhode Island Hospital/Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Meggin Q. Costa
- Department of Orthopaedics, Rhode Island Hospital/Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Madalyn J. Hague
- Department of Orthopaedics, Rhode Island Hospital/Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Janine Molino
- Department of Orthopaedics, Rhode Island Hospital/Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
- Lifespan Biostatistics, Epidemiology, Research Design, & Informatics Core, Rhode Island Hospital, Providence, RI 02903, USA
| | - Braden C. Fleming
- Department of Orthopaedics, Rhode Island Hospital/Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Jillian E. Beveridge
- Department of Orthopaedics, Rhode Island Hospital/Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
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Schache AG, Sritharan P, Culvenor AG, Patterson BE, Perraton LG, Bryant AL, Guermazi A, Morris HG, Whitehead TS, Crossley KM. Patellofemoral joint loading and early osteoarthritis after ACL reconstruction. J Orthop Res 2023; 41:1419-1429. [PMID: 36751892 PMCID: PMC10946851 DOI: 10.1002/jor.25504] [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: 02/16/2022] [Revised: 07/21/2022] [Accepted: 12/07/2022] [Indexed: 02/09/2023]
Abstract
Patellofemoral joint (PFJ) osteoarthritis is common following anterior cruciate ligament reconstruction (ACLR) and may be linked with altered joint loading. However, little is known about the cross-sectional and longitudinal relationship between PFJ loading and osteoarthritis post-ACLR. This study tested if altered PFJ loading is associated with prevalent and worsening early PFJ osteoarthritis post-ACLR. Forty-six participants (mean ± 1 SD age 26 ± 5 years) approximately 1-year post-ACLR underwent magnetic resonance imaging (MRI) and biomechanical assessment of their reconstructed knee. Trunk and lower-limb kinematics plus ground reaction forces were recorded during the landing phase of a standardized forward hop. These data were input into a musculoskeletal model to calculate the PFJ contact force. Follow-up MRI was completed on 32 participants at 5-years post-ACLR. Generalized linear models (Poisson regression) assessed the relationship between PFJ loading and prevalent early PFJ osteoarthritis (i.e., presence of a PFJ cartilage lesion at 1-year post-ACLR) and worsening PFJ osteoarthritis (i.e., incident/progressive PFJ cartilage lesion between 1- and 5-years post-ACLR). A lower peak PFJ contact force was associated with prevalent early PFJ osteoarthritis at 1-year post-ACLR (n = 14 [30.4%]; prevalence ratio: 1.37; 95% confidence interval [CI]: 1.02-1.85) and a higher risk of worsening PFJ osteoarthritis between 1- and 5-years post-ACLR (n = 9 [28.1%]; risk ratio: 1.55, 95% CI: 1.13-2.11). Young adults post-ACLR who exhibited lower PFJ loading during hopping were more likely to have early PFJ osteoarthritis at 1-year and worsening PFJ osteoarthritis between 1- and 5-years. Clinical interventions aimed at mitigating osteoarthritis progression may be beneficial for those with signs of lower PFJ loading post-ACLR.
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Affiliation(s)
- Anthony G. Schache
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Prasanna Sritharan
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Adam G. Culvenor
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Brooke E. Patterson
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Luke G. Perraton
- Department of PhysiotherapyMonash UniversityMelbourneVictoriaAustralia
| | - Adam L. Bryant
- Centre for Health, Exercise & Sports MedicineUniversity of MelbourneMelbourneVictoriaAustralia
| | - Ali Guermazi
- Department of RadiologyBoston University School of MedicineBostonMassachusettsUSA
| | - Hayden G. Morris
- Park Clinic OrthopaedicsSt Vincent's Private HospitalMelbourneVictoriaAustralia
| | | | - Kay M. Crossley
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
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De Oliveira Silva D, Johnston RTR, Mentiplay BF, Haberfield MJ, Culvenor AG, Bruder AM, Semciw AI, Girdwood M, Pappalardo PJ, Briggs C, West TJ, Hill JP, Patterson BE, Barton CJ, Sritharan P, Alexander JL, Carey DL, Schache AG, Souza RB, Pedoia V, Oei EH, Warden SJ, Telles GF, King MG, Hedger MP, Hulett M, Crossley KM. Trajectory of knee health in runners with and without heightened osteoarthritis risk: the TRAIL prospective cohort study protocol. BMJ Open 2023; 13:e068040. [PMID: 36759025 PMCID: PMC9923264 DOI: 10.1136/bmjopen-2022-068040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
Abstract
INTRODUCTION Running is one of the most popular recreational activities worldwide, due to its low cost and accessibility. However, little is known about the impact of running on knee joint health in runners with and without a history of knee surgery. The primary aim of this longitudinal cohort study is to compare knee joint structural features on MRI and knee symptoms at baseline and 4-year follow-up in runners with and without a history of knee surgery. Secondary aims are to explore the relationships between training load exposures (volume and/or intensity) and changes in knee joint structure and symptoms over 4 years; explore the relationship between baseline running biomechanics, and changes in knee joint structure and symptoms over 4 years. In addition, we will explore whether additional variables confound, modify or mediate these associations, including sex, baseline lower-limb functional performance, knee muscle strength, psychological and sociodemographic factors. METHODS AND ANALYSIS A convenience sample of at least 200 runners (sex/gender balanced) with (n=100) and without (n=100) a history of knee surgery will be recruited. Primary outcomes will be knee joint health (MRI) and knee symptoms (baseline; 4 years). Exposure variables for secondary outcomes include training load exposure, obtained daily throughout the study from wearable devices and three-dimensional running biomechanics (baseline). Additional variables include lower limb functional performance, knee extensor and flexor muscle strength, biomarkers, psychological and sociodemographic factors (baseline). Knowledge and beliefs about osteoarthritis will be obtained through predefined questions and semi-structured interviews with a subset of participants. Multivariable logistic and linear regression models, adjusting for potential confounding factors, will explore changes in knee joint structural features and symptoms, and the influence of potential modifiers and mediators. ETHICS AND DISSEMINATION Approved by the La Trobe University Ethics Committee (HEC-19524). Findings will be disseminated to stakeholders, peer-review journals and conferences.
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Affiliation(s)
- Danilo De Oliveira Silva
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Richard T R Johnston
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Benjamin F Mentiplay
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Melissa J Haberfield
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Adam G Culvenor
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Andrea M Bruder
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Adam I Semciw
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Michael Girdwood
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Paula J Pappalardo
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Connie Briggs
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Thomas J West
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Joshua P Hill
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Brooke E Patterson
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Christian J Barton
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
- Department of Physiotherapy, Podiatry and Prosthetics and Orthotics, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
| | - Prasanna Sritharan
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - James L Alexander
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - David L Carey
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Anthony G Schache
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Richard B Souza
- Department of Radiology and Biomedical Imagining, University of California San Francisco, San Francisco, California, USA
| | - Valentina Pedoia
- Department of Radiology and Biomedical Imagining, University of California San Francisco, San Francisco, California, USA
| | - Edwin H Oei
- Department of Radiology & Nuclear Medicine, Erasmus Universiteit Rotterdam, Rotterdam, The Netherlands
| | - Stuart J Warden
- Department of Physical Therapy, Indiana University, Indianapolis, Indiana, USA
| | - Gustavo F Telles
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Rehabilitation Science Postgraduation Program, Augusto Motta University Centre, Rio de Janeiro, Brazil
| | - Matthew G King
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Michael P Hedger
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
| | - Mark Hulett
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Kay M Crossley
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- Australian International Olympic Committee (IOC) Research Centre, Melbourne, Victoria, Australia
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Williams JR, Neal K, Alfayyadh A, Capin JJ, Khandha A, Manal K, Snyder-Mackler L, Buchanan TS. Patellofemoral contact forces and knee gait mechanics 3 months after ACL reconstruction are associated with cartilage degradation 24 months after surgery. Osteoarthritis Cartilage 2023; 31:96-105. [PMID: 36252943 PMCID: PMC9771964 DOI: 10.1016/j.joca.2022.10.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 09/26/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Evaluate patellofemoral cartilage health, as assessed by quantitative magnetic resonance imaging (qMRI) T2 relaxation times, 24-months after ACL reconstruction (ACLR) and determine if they were associated with patellofemoral contact forces and knee mechanics during gait 3 months after surgery. DESIGN Thirty individuals completed motion analysis during overground walking at a self-selected speed 3 months after ACLR. An EMG-driven neuromusculoskeletal model was used to determine muscle forces, which were then used in a previously described model to estimate patellofemoral contact forces. Biomechanical variables of interest included peak patellofemoral contact force, peak knee flexion angle and moment, and walking speed. These same participants underwent a sagittal bilateral T2 mapping qMRI scan 24-months after surgery. T2 relaxation times were estimated for both patellar and trochlear cartilage. Paired t-tests were used to compare T2 relaxation times between limbs while Pearson correlations and linear regressions were utilized to assess the association between the biomechanical variables of interest and T2 relaxation times. RESULTS Prolonged involved limb trochlear T2 relaxation times (vs uninvolved) were present 24-months after surgery, indicating worse cartilage health. No differences were detected in patellar cartilage. Significant negative associations were present within the involved limb for all the biomechanical variables of interest 3 months after ACLR and trochlear T2 relaxation times at 24-months. No associations were found in patellar cartilage or within the uninvolved limb. CONCLUSIONS Altered involved limb trochlear cartilage health is present 24-months after ACLR and may be related to patellofemoral loading and other walking gait mechanics 3 months after surgery.
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Affiliation(s)
- J R Williams
- Department of Mechanical Engineering, University of Delaware, Newark, DE, USA.
| | - K Neal
- Department of Mechanical Engineering, University of Delaware, Newark, DE, USA.
| | - A Alfayyadh
- Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Physical Therapy and Rehabilitation Department, Jouf University, Jouf, Saudi Arabia.
| | - J J Capin
- Department of Physical Therapy, Marquette University, Milwaukee, WI, USA.
| | - A Khandha
- Department of Biomedical Engineering, University of Delaware, Newark, DE, USA.
| | - K Manal
- Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Kinesiology and Applied Physiology, University of Delaware, Newark, DE, USA.
| | - L Snyder-Mackler
- Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Department of Biomedical Engineering, University of Delaware, Newark, DE, USA; Department of Physical Therapy, University of Delaware, Newark, DE, USA.
| | - T S Buchanan
- Department of Mechanical Engineering, University of Delaware, Newark, DE, USA; Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Department of Biomedical Engineering, University of Delaware, Newark, DE, USA.
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A More Posterior Tibial Tubercle (Decreased Sagittal Tibial Tubercle-Trochlear Groove Distance) Is Significantly Associated With Patellofemoral Joint Degenerative Cartilage Change: A Deep Learning Analysis. Arthroscopy 2022; 39:1493-1501.e2. [PMID: 36581003 DOI: 10.1016/j.arthro.2022.11.040] [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] [Received: 06/23/2022] [Revised: 11/23/2022] [Accepted: 11/30/2022] [Indexed: 12/27/2022]
Abstract
PURPOSE To perform patellofemoral joint (PFJ) geometric measurements on knee magnetic resonance imaging scans and determine their relations with chondral lesions in a multicenter cohort using deep learning. METHODS The sagittal tibial tubercle-trochlear groove (sTTTG) distance, tibial tubercle-trochlear groove distance, trochlear sulcus angle, trochlear depth, Caton-Deschamps Index (CDI), and flexion angle were measured by use of deep learning-generated segmentations on a subset of the Osteoarthritis Initiative study with radiologist-graded PFJ cartilage grades (n = 2,461). Kruskal-Wallis H tests were performed to compare differences in PFJ morphology between subjects without PFJ osteoarthritis (OA) and those with PFJ OA. PFJ morphology was correlated with secondary outcomes of mean patellar cartilage thickness and mean patellar cartilage T2 relaxation time using linear regression models controlling for age, sex, and body mass index. RESULTS A total of 1,626 knees did not have PFJ OA, whereas 835 knees had PFJ OA. Knees without PFJ OA had an increased (anterior) sTTTG distance (mean ± standard deviation, 11.1 ± 12.8 mm) compared with knees with PFJ OA (8.4 ± 12.7 mm) (P < .001), indicating a more posterior tibial tubercle in subjects with PFJ OA. Knees without PFJ OA had a decreased sulcus angle (127.4° ± 7.1° vs 128.0° ± 8.4°, P = .01) and increased trochlear depth (9.1 ± 1.7 mm vs 9.0 ± 2.0 mm, P = .03) compared with knees with PFJ OA. Decreased patellar cartilage thickness was associated with decreased trochlear depth (β = 0.12, P = .002) and increased CDI (β = -0.07, P < .001). Increased patellar cartilage T2 relaxation time was correlated with decreased sTTTG distance (β = -0.08, P = .01), decreased sulcus angle (β = -0.12, P = .04), and decreased CDI (β = -0.12, P < .001). CONCLUSIONS PFJ OA, patellar cartilage thickness, and patellar cartilage T2 relaxation time were shown to be associated with the underlying geometries within the PFJ. This large longitudinal study highlights that a decreased sTTTG distance (i.e., a more posterior tibial tubercle) is significantly associated with PFJ degenerative cartilage change. LEVEL OF EVIDENCE Level III, retrospective comparative prognostic trial.
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Alfayyadh A, Neal K, Williams JR, Khandha A, Manal K, Snyder-Mackler L, Buchanan TS. Limb and sex-related differences in knee muscle co-contraction exist 3 months after anterior cruciate ligament reconstruction. J Electromyogr Kinesiol 2022; 66:102693. [PMID: 36041294 DOI: 10.1016/j.jelekin.2022.102693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 06/06/2022] [Accepted: 08/10/2022] [Indexed: 10/15/2022] Open
Abstract
Interlimb and sex-based differences in gait mechanics and neuromuscular control are common after anterior cruciate ligament reconstruction (ACLR). Following ACLR, individuals typically exhibit elevated co-contraction of knee muscles, which may accelerate knee osteoarthritis (OA) onset. While directed (medial/lateral) co-contractions influence tibiofemoral loading in healthy people, it is unknown if directed co-contractions are present early after ACLR and if they differ across limbs and sexes. The purpose of this study was to compare directed co-contraction indices (CCIs) of knee muscles in both limbs between men and women after ACLR. Forty-five participants (27 men) completed overground walking at a self-selected speed 3 months after ACLR during which quadriceps, hamstrings, and gastrocnemii muscle activities were collected bilaterally using surface electromyography. CCIs of six muscle pairs were calculated during the weight acceptance interval. The CCIs of the vastus lateralis/biceps femoris muscle pair (lateral musculature) was greater in the involved limb (vs uninvolved; p = 0.02). Compared to men, women exhibited greater CCIs in the vastus medialis/lateral gastrocnemius and vastus lateralis/lateral gastrocnemius muscle pairs (p < 0.01 and p = 0.01, respectively). Limb- and sex-based differences in knee muscle co-contractions are detectable 3 months after ACLR and may be responsible for altered gait mechanics.
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Affiliation(s)
- Abdulmajeed Alfayyadh
- Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Physical Therapy and Rehabilitation Department, Jouf University, Jouf, Saudi Arabia.
| | - Kelsey Neal
- Department of Mechanical Engineering, University of Delaware, Newark, DE, USA
| | - Jack R Williams
- Department of Mechanical Engineering, Northern Arizona University, Flagstaff, AZ, USA
| | - Ashutosh Khandha
- Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Department of Biomedical Engineering, University of Delaware, Newark, DE, USA
| | - Kurt Manal
- Kinesiology and Applied Physiology, University of Delaware, Newark, DE, USA
| | - Lynn Snyder-Mackler
- Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Department of Biomedical Engineering, University of Delaware, Newark, DE, USA; Department of Physical Therapy, University of Delaware, Newark, DE, USA
| | - Thomas S Buchanan
- Biomechanics and Movement Science, University of Delaware, Newark, DE, USA; Department of Mechanical Engineering, University of Delaware, Newark, DE, USA; Department of Biomedical Engineering, University of Delaware, Newark, DE, USA
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8
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Osteoarthritis year in review 2021: mechanics. Osteoarthritis Cartilage 2022; 30:663-670. [PMID: 35081453 DOI: 10.1016/j.joca.2021.12.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/09/2021] [Accepted: 12/01/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) has a complex, heterogeneous and only partly understood etiology. There is a definite role of joint cartilage pathomechanics in originating and progressing of the disease. Although it is still not identified precisely enough to design or select targeted treatments, the progress of this year's research demonstrates that this goal became much closer. On multiple scales - tissue, joint and whole body - an increasing number of studies were done, with impressive results. (1) Technology based instrument innovations, especially when combined with machine learning models, have broadened the applicability of biomechanics. (2) Combinations with imaging make biomechanics much more precise & personalized. (3) The combination of Musculoskeletal & Finite Element Models yield valid personalized cartilage loads. (4) Mechanical outcomes are becoming increasingly meaningful to inform and evaluate treatments, including predictive power from biomechanical models. Since most recent advancements in the field of biomechanics in OA are at the level of a proof op principle, future research should not only continue on this successful path of innovation, but also aim to develop clinical workflows that would facilitate including precision biomechanics in large scale studies. Eventually this will yield clinical tools for decision making and a rationale for new therapies in OA.
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Williams JR, Neal K, Alfayyadh A, Khandha A, Manal K, Snyder-Mackler L, Buchanan TS. Patellofemoral contact forces after ACL reconstruction: A longitudinal study. J Biomech 2022; 134:110993. [PMID: 35182902 PMCID: PMC8976762 DOI: 10.1016/j.jbiomech.2022.110993] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 12/13/2021] [Accepted: 02/07/2022] [Indexed: 11/17/2022]
Abstract
Osteoarthritis (OA) development after ACL reconstruction (ACLR) is common. Patellofemoral OA after ACLR is as prevalent as tibiofemoral OA; however, few have explored the mechanisms leading to disease development in this compartment. Biomechanical alterations may be one mechanism responsible for post-traumatic knee OA. Patellofemoral contact forces during dynamic tasks, such as running and single leg hops, have been assessed at return to sport and later time points. The results of these studies, however, contradict each other, are only cross-sectional in nature, and are limited to specific points in time within the movement pattern. The purpose of this study was to assess patellofemoral contact forces 3, 6, and 24 months after ACLR during level walking over the entirety of the movement pattern. Patellofemoral contact forces were calculated after determination of muscle forces from a validated, subject-specific, EMG-driven neuromusculoskeletal model. Statistical parametric mapping was used to compare patellofemoral contact forces between limbs and across time points. Patellofemoral underloading of the involved limb (vs. uninvolved) was present at 3 months (p < 0.001 from 7 to 30% of stance) and 6 months (p = 0.001 from 11 to 23% of stance and p = 0.025 from 27 to 32%) after ACLR but was resolved by 24 months. Both limbs' load increased from 3 to 6 months. The involved limb displayed relatively consistent loads from 6 months onward, while the uninvolved limb's decreased back down towards their 3-month values. Overall, these results suggest that early patellofemoral underloading exists after ACLR and may be leading to patellofemoral OA development.
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Affiliation(s)
- Jack R Williams
- Department of Mechanical Engineering, University of Delaware, Newark, DE, United States.
| | - Kelsey Neal
- Department of Mechanical Engineering, University of Delaware, Newark, DE, United States
| | - Abdulmajeed Alfayyadh
- Biomechanics and Movement Science, University of Delaware, Newark, DE, United States
| | - Ashutosh Khandha
- Biomechanics and Movement Science, University of Delaware, Newark, DE, United States; Department of Biomedical Engineering, University of Delaware, Newark, DE, United States
| | - Kurt Manal
- Biomechanics and Movement Science, University of Delaware, Newark, DE, United States; Kinesiology and Applied Physiology, University of Delaware, Newark, DE, United States
| | - Lynn Snyder-Mackler
- Biomechanics and Movement Science, University of Delaware, Newark, DE, United States; Department of Biomedical Engineering, University of Delaware, Newark, DE, United States; Department of Physical Therapy, University of Delaware, Newark, DE, United States
| | - Thomas S Buchanan
- Department of Mechanical Engineering, University of Delaware, Newark, DE, United States; Biomechanics and Movement Science, University of Delaware, Newark, DE, United States; Department of Biomedical Engineering, University of Delaware, Newark, DE, United States
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Snyder-Mackler L, Queen RM. ACL special issue, editors. J Orthop Res 2022; 40:7-9. [PMID: 34811792 DOI: 10.1002/jor.25220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 11/10/2021] [Indexed: 02/04/2023]
Affiliation(s)
- Lynn Snyder-Mackler
- Physical Therapy & Biomedical Engineering University of Delaware, Newark, Delaware, USA
| | - Robin M Queen
- Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, USA
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A Comprehensive Framework to Evaluate the Effects of Anterior Cruciate Ligament Injury and Reconstruction on Graft and Cartilage Status through the Analysis of MRI T2 Relaxation Time and Knee Laxity: A Pilot Study. Life (Basel) 2021; 11:life11121383. [PMID: 34947914 PMCID: PMC8706566 DOI: 10.3390/life11121383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/01/2021] [Accepted: 12/08/2021] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Anterior cruciate ligament (ACL) tear represents a common orthopedic traumatic issue that often leads to an early development of osteoarthritis. To improve the diagnostic and prognostic techniques involved in the assessment of the joint after the trauma and during the healing process, the present work proposes a multi-parametric approach that aims to investigate the relationship between joint function and soft tissue status before and after ACL reconstruction. METHODS Thirteen consecutive patients who underwent ACL reconstruction were preliminarily enrolled in this study. Joint laxity assessment as well as magnetic resonance imaging with T2 mapping were performed in the pre-operative stage, at four and 18 months after surgery to acquire objective information to correlate knee function and soft tissue condition. RESULTS Correlations were found between graft and cartilage T2 signal, suggesting an interplay between these tissues within the knee joint. Moreover, graft maturation resulted in being connected to joint laxity, as underlined by the correlation between the graft T2 signal and the temporal evolution of knee function. CONCLUSIONS This preliminary study represents a step forward in assessing the effects of ACL graft maturation on knee biomechanics, and vice versa. The presented integrated framework underlines the possibility to quantitatively assess the impact of ACL reconstruction on trauma recovery and cartilage homeostasis. Moreover, the reported findings-despite the preliminary nature of the clinical impacts-evidence the possibility of monitoring the surgery outcomes using a multi-parametric prognostic investigation tool.
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