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Cordes CMA, Leonardis JM, Samet J, Schnorenberg AJ, England M, Mukherjee S, Vogel LC, Seitz AL, Slavens BA. Handrim kinetics and quantitative ultrasound parameters for assessment of subacromial impingement in wheelchair users with pediatric-onset spinal cord injury. Gait Posture 2024; 113:561-569. [PMID: 39182433 PMCID: PMC11388546 DOI: 10.1016/j.gaitpost.2024.08.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 08/12/2024] [Accepted: 08/14/2024] [Indexed: 08/27/2024]
Abstract
BACKGROUND Most manual wheelchair users with pediatric-onset spinal cord injury (SCI) will experience shoulder pain or pathology at some point in their life. However, guidelines for preservation of the upper limb in children with SCI are limited. RESEARCH QUESTION What are the relationships between manual wheelchair handrim kinetics and quantitative ultrasound parameters related to subacromial impingement in individuals with pediatric-onset SCI? METHODS Subacromial impingement risk factors including supraspinatus tendon thickness (SST), acromiohumeral distance (AHD), and occupation ratio (OR; SST/AHD) were measured with ultrasound in 11 manual wheelchair users with pediatric-onset SCI. Handrim kinetics were acquired during the stroke cycle, including peak resultant force (FR), peak rate of rise of resultant force (ROR) and fractional effective force (FEF). Variability of handrim kinetics was computed using the coefficient of variation and linear regression was performed to assess correlations between handrim metrics and quantitative ultrasound parameters. RESULTS Peak resultant force significantly increased 1.4 % and variability of FEF significantly decreased 8.0 % for every 0.1 cm increase in AHD. FEF decreased 3.5 % for every 0.1 cm increase in SST. Variability of peak resultant force significantly increased 3.6 % and variability of peak ROR of resultant force significantly increased 7.3 % for every 0.1 cm increase in SST. FEF variability significantly decreased 11.6 % for every 0.1 cm increase in SST. Peak ROR significantly decreased 1.54 % with every 10 % increase in OR. FEF variability significantly decreased 1.5 % with every 10 % increase in OR. SIGNIFICANCE This is the first study to investigate relationships among handrim kinetics and shoulder structure in manual wheelchair users with pediatric-onset SCI. Associations were identified between subacromial impingement risk factors and magnitude and variability of wheelchair handrim kinetics. These results indicate the critical need to further explore the relationships among wheelchair handrim kinetics, shoulder joint dynamics, and shoulder pathology in manual wheelchair users with pediatric-onset SCI.
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Affiliation(s)
- Caleb M A Cordes
- University of Wisconsin-Milwaukee, Department of Rehabilitation Sciences and Technology, Milwaukee, WI 53211, USA; University of Wisconsin-Milwaukee, Department of Mechanical Engineering, Milwaukee, WI 53211, USA.
| | - Joshua M Leonardis
- University of Wisconsin-Milwaukee, Department of Rehabilitation Sciences and Technology, Milwaukee, WI 53211, USA; University of Illinois Urbana-Champaign, College of Applied Health Sciences, Urbana, IL 61801, USA; University of Illinois Urbana-Champaign, Beckman Institute for Advanced Science and Technology, Urbana, IL 61801, USA
| | - Jonathan Samet
- Ann and Robert H. Lurie Children's Hospital, Department of Medical Imaging, Chicago, IL 60611, USA; Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Alyssa J Schnorenberg
- University of Wisconsin-Milwaukee, Department of Mechanical Engineering, Milwaukee, WI 53211, USA
| | - Mark England
- Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Shubhra Mukherjee
- Shriners Children's Chicago, Chicago, IL 60707, USA; Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
| | | | - Amee L Seitz
- Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Brooke A Slavens
- University of Wisconsin-Milwaukee, Department of Rehabilitation Sciences and Technology, Milwaukee, WI 53211, USA; University of Wisconsin-Milwaukee, Department of Mechanical Engineering, Milwaukee, WI 53211, USA
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Preville-Gendreau A, Naraghi A, Dilkas S, Coros K, Moktassi A, Griffin A, White LM. Spectrum and patterns of shoulder pathology on MRI in symptomatic elite wheelchair basketball athletes. Skeletal Radiol 2024; 53:1359-1368. [PMID: 38267761 DOI: 10.1007/s00256-024-04593-8] [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: 10/06/2023] [Revised: 01/13/2024] [Accepted: 01/14/2024] [Indexed: 01/26/2024]
Abstract
BACKGROUND Wheelchair basketball (WCB) is a popular para-sport adapted for athletes with physical disabilities. Shoulder injuries are commonly reported among WCB athletes. However, the understanding of the specific patterns and characteristics of shoulder injuries in WCB players is currently limited, and there is a lack of comprehensive literature available on this subject. OBJECTIVES To investigate the spectrum of pathologies observed in elite wheelchair basketball (WCB) athletes referred for MRI evaluation of symptomatic injuries of the shoulder. METHODS Retrospective review of consecutive elite WCB athletes referred for MRI evaluation of symptomatic shoulder injury. Demographic, clinical, and functional data including international wheelchair basketball federation (IWBF) classification of each athlete were collected. A total of 28 MRI studies were reviewed. Excluding MRI examinations of the same shoulder, 18 study cases were assessed for pathology of the rotator cuff (RC), labrum, long-head of biceps tendon, glenohumeral and acromioclavicular joints, and osseous lesions of the humerus or glenoid. Correlations between clinical-demographic features and MRI findings were statistically evaluated. RESULTS Supraspinatus tears were observed in 72.2%, infraspinatus tears in 50%, and subscapularis tears in 38.9% shoulders. Articular-sided partial tears frequently involved posterior supraspinatus (88.9%) and anterior infraspinatus (100%). Labral tears were seen in 38.9%, with involvement of the posterosuperior labrum in all tears. Hill-Sachs and osseous Bankart lesions (5.6%), and anterior-inferior labral tears (11.1%), were uncommon findings. Statistically significant correlations were observed of low IWBF point class and non-ambulatory athletes with subscapularis tendinosis (p = 0.015, p = 0.001) and tearing (p = 0.050, p = 0.013), and athletes with limited trunk control with subscapularis tendinosis (p = 0.013). CONCLUSIONS RC tears are common in elite WCB athletes with pattern of RC and labral tearing suggesting internal (superior-posterior) impingement as a contributory pathoetiologic mechanism. Non-ambulatory, low IWBF point class athletes, as well as those with limited trunk control have a statistically significant increase in subscapularis tendon pathology on MRI.
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Affiliation(s)
- Anne Preville-Gendreau
- Joint Department of Medical Imaging, Sinai Health System, Toronto, ON, Canada
- Department of Medical Imaging, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Ali Naraghi
- Joint Department of Medical Imaging, Sinai Health System, Toronto, ON, Canada
- Department of Medical Imaging, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Steven Dilkas
- West Park Healthcare Centre, Toronto, ON, Canada
- Canadian Sports Institute Ontario (CSIO), Toronto, ON, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Kimberly Coros
- Canadian Sports Institute Ontario (CSIO), Toronto, ON, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Physical Medicine and Rehabilitation, Hennick/Bridgepoint, Sinai Health System, Toronto, ON, Canada
| | - Aiden Moktassi
- Department of Medical Imaging, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- William Osler Health System, Etobicoke General Hospital, Toronto, ON, Canada
| | - Anthony Griffin
- Orthopedic Surgery, Mount Sinai Hospital, Sinai Health, Toronto, ON, Canada
| | - Lawrence M White
- Joint Department of Medical Imaging, Sinai Health System, Toronto, ON, Canada.
- Department of Medical Imaging, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
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Ponce RB, Wrenn SP, White AE, Healy R, Brusalis CM, Cirino CM, Blaine TA, Taylor SA. Shoulder arthroplasty in the upper extremity weight-bearing patient: a systematic review of clinical outcomes and complications. J Shoulder Elbow Surg 2024:S1058-2746(24)00384-7. [PMID: 38810910 DOI: 10.1016/j.jse.2024.03.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 03/26/2024] [Accepted: 03/29/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND Patients who rely on their upper extremities for ambulation, or upper extremity ambulators (UEAs), place considerable stress on their shoulders through the use of assistive devices like walkers, crutches, canes, and wheelchairs. It has been postulated that UEAs may be at increased risk for complications following shoulder arthroplasty. This study aimed to systematically review the literature related to (1) patient-reported outcomes measures (PROMs), (2) functional outcomes, and (3) complications in UEAs who undergo shoulder arthroplasty. METHODS A systematic review of the PubMed/MEDLINE, Embase, and Cochrane databases was performed to identify studies reporting clinical outcomes of shoulder arthroplasty in UEAs. Patient demographics, clinical characteristics, patient-reported outcomes measures, radiographic outcomes, and postoperative range of motion were collected and compared to control patients (ie bipedal ambulators) from the constituent studies. RESULTS A total of eight studies evaluating 248 UEA cases and 206 control cases were included for review. Ambulatory assistive devices utilized by UEAs included walkers (39%), wheelchairs (38%), canes (22%), and a crutch (<1%). Among UEA cases, 197 (79%) reverse total shoulder arthroplasty (TSA), 37 (15%) anatomic TSA, and 14 (6%) hemiarthroplasty were performed. Overall, patients exhibited significant improvements in mean American Shoulder and Elbow Surgeons scores, Constant-Murley scores, Simple Shoulder Test scores, and Visual Analog Scale scores postoperatively. Among 3 studies that included comparison with control groups of bipedal ambulators, no significant differences in outcomes were identified. The overall clinical complication rate was 17% for UEAs compared to 9.1% for controls. The rate of revision surgery was 7.7% for UEAs and 4.9% for bipedal ambulators. CONCLUSIONS UEAs experience satisfactory pain relief, functional improvements, and good subjective outcomes following shoulder arthroplasty. However, complication and revision rates are higher compared to those for bipedal ambulators, and the majority of UEAs undergo reverse shoulder arthroplasty compared to anatomic TSA.
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Affiliation(s)
- Robert B Ponce
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Sean P Wrenn
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Alex E White
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA.
| | - Ryan Healy
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA; Department of Orthopaedic Surgery, Boston University School of Medicine, Boston, MA, USA
| | | | - Carl M Cirino
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Theodore A Blaine
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Samuel A Taylor
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
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Keightley JGA, Haagman B, Magner JD, Debenham JR. Models of care for musculoskeletal shoulder pain in spinal cord injury: A scoping review. J Spinal Cord Med 2024; 47:327-344. [PMID: 36913538 PMCID: PMC11044743 DOI: 10.1080/10790268.2023.2183335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/15/2023] Open
Abstract
CONTEXT Spinal cord injury (SCI) is a neurological condition that significantly impacts a person's lifestyle, health and well-being. Many individuals with SCI experience secondary musculoskeletal shoulder pain. This scoping review examines the current research on the diagnosis and management of shoulder pain in SCI. OBJECTIVE The aim of this Scoping Review was (1) to chart peer-reviewed literature regarding the diagnosis and management of shoulder pain as it relates to SCI and (2) identify gaps in this body of literature to inform future research priorities. METHODS Six electronic databases were searched from inception until April 2022. In addition, reviewers scanned the reference lists of identified articles. Articles from peer-reviewed sources that reported diagnostic or management procedures for musculoskeletal shoulder conditions within the SCI population were considered and 1679 articles were identified. Title and abstract screening, full text review, and data extraction were undertaken by two independent reviewers. RESULTS Eighty seven articles were included, covering diagnosis or management of shoulder pain in SCI. CONCLUSION Whilst the most commonly reported diagnostic procedures and management strategies reflect contemporary practice for shoulder pain, the entire body of literature demonstrates inconsistencies in methodologies. In places, the literature continues to perceive value in procedures inconsistent with best practice. These findings encourage researchers to pursue the development of robust models of care for musculoskeletal shoulder pain in SCI using a collaborative and integrated approach, combining best practice for musculoskeletal shoulder pain alongside clinical expertise in the management of SCI.
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Affiliation(s)
- Jordan G. A. Keightley
- National School of Nursing, Midwifery, Health Sciences and Physiotherapy, The University of Notre Dame Australia, Fremantle, Western Australia, Australia
- Active Linc (Home Based Services), Innaloo, Western Australia, Australia
| | - Bianca Haagman
- National School of Nursing, Midwifery, Health Sciences and Physiotherapy, The University of Notre Dame Australia, Fremantle, Western Australia, Australia
- Active Linc (Home Based Services), Innaloo, Western Australia, Australia
| | - Julie D. Magner
- Active Linc (Home Based Services), Innaloo, Western Australia, Australia
| | - James R. Debenham
- National School of Nursing, Midwifery, Health Sciences and Physiotherapy, The University of Notre Dame Australia, Fremantle, Western Australia, Australia
- Active Linc (Home Based Services), Innaloo, Western Australia, Australia
- Majarlin Kimberley Centre for Remote Health, The University of Notre Dame Australia, Broome, Western Australia, Australia
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Assila N, Begon M, Duprey S. Finite Element Model of the Shoulder with Active Rotator Cuff Muscles: Application to Wheelchair Propulsion. Ann Biomed Eng 2024; 52:1240-1254. [PMID: 38376768 DOI: 10.1007/s10439-024-03449-5] [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: 09/06/2023] [Accepted: 01/09/2024] [Indexed: 02/21/2024]
Abstract
The rotator cuff is prone to injury, remarkably so for manual wheelchair users. To understand its pathomechanisms, finite element models incorporating three-dimensional activated muscles are needed to predict soft tissue strains during given tasks. This study aimed to develop such a model to understand pathomechanisms associated with wheelchair propulsion. We developed an active muscle model associating a passive fiber-reinforced isotropic matrix with an activation law linking calcium ion concentration to tissue tension. This model was first evaluated against known physiological muscle behavior; then used to activate the rotator cuff during a wheelchair propulsion cycle. Here, experimental kinematics and electromyography data was used to drive a shoulder finite element model. Finally, we evaluated the importance of muscle activation by comparing the results of activated and non-activated rotator cuff muscles during both propulsion and isometric contractions. Qualitatively, the muscle constitutive law reasonably reproduced the classical Hill model force-length curve and the behavior of a transversally loaded muscle. During wheelchair propulsion, the deformation and fiber stretch of the supraspinatus muscle-tendon unit pointed towards the possibility for this tendon to develop tendinosis due to the multiaxial loading imposed by the kinematics of propulsion. Finally, differences in local stretch and positions of the lines of action between activated and non-activated models were only observed at activation levels higher than 30%. Our novel finite element model with active muscles is a promising tool for understanding the pathomechanisms of the rotator cuff for various dynamic tasks, especially those with high muscle activation levels.
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Affiliation(s)
- Najoua Assila
- School of Kinesiology and Exercise Sciences, Faculty of Medicine, University of Montréal, Montréal, QC, Canada.
- Research Center of the Sainte-Justine University Hospital Center, Montréal, QC, Canada.
- Univ Lyon, Univ Gustave Eiffel, Univ Claude Bernard Lyon 1, LBMC UMR T_9406, 69622, Lyon, France.
| | - Mickaël Begon
- School of Kinesiology and Exercise Sciences, Faculty of Medicine, University of Montréal, Montréal, QC, Canada
- Research Center of the Sainte-Justine University Hospital Center, Montréal, QC, Canada
| | - Sonia Duprey
- Univ Lyon, Univ Gustave Eiffel, Univ Claude Bernard Lyon 1, LBMC UMR T_9406, 69622, Lyon, France
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L Boettcher M, Oldenburg KS, Neel G, Kunkle B, Eichinger JK, Friedman RJ. Perioperative complications and outcomes in patients with paraplegia undergoing rotator cuff repair. Shoulder Elbow 2023; 15:3-14. [PMID: 37974609 PMCID: PMC10649483 DOI: 10.1177/17585732211036461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 07/13/2021] [Indexed: 11/19/2023]
Abstract
Background Patients with paraplegia often experience chronic shoulder pain due to overuse. We sought to determine if these patients have an increased prevalence of perioperative complications and higher rates of re-admissions and rotator cuff re-tears relative to able-bodied controls following rotator cuff repair (RCR). Methods We queried the NRD (2011-2018) to identify all patients undergoing primary RCR (n = 34,451) and identified cohorts of matched paraplegic and non-paraplegic patients (n = 194 each). We compared demographic factors, comorbidity profiles, perioperative complication rates, length of stay, revision rates, and re-admission rates between the two groups. Results Patients with paraplegia had lower rates of chronic obstructive pulmonary disease (p = 0.02), hypertension (p = 0.007), congestive heart failure (p = 0.027), obesity (p < 0.001), and prior myocardial infarction (p = 0.01). Additionally, patients with paraplegia experienced higher rates of urinary tract infections (11.9% vs. 2.1%, p < 0.001), lower rates of acute respiratory distress syndrome (0% vs. 3.1%, p = 0.041), and had a longer length of stay (4-days vs. 1-day, p < 0.001). Revision rates were similar for the two groups. Conclusions Compared to matched controls, patients with paraplegia were found to have similar demographic characteristics, less comorbidities, similar perioperative complication rates, and similar revision rates. These findings address a gap in the literature regarding surgical management of shoulder pain in patients with paraplegia by providing a matched comparison with a large sample size.
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Affiliation(s)
- Marissa L Boettcher
- Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA
| | - Kirsi S Oldenburg
- Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA
| | - Garrett Neel
- Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA
| | - Bryce Kunkle
- Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA
| | - Josef K Eichinger
- Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA
| | - Richard J Friedman
- Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA
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Minder U, Arnet U, Müller E, Boninger M, Bossuyt FM. Changes in neuromuscular activation, heart rate and rate of perceived exertion over the course of a wheelchair propulsion fatigue protocol. Front Physiol 2023; 14:1220969. [PMID: 37920802 PMCID: PMC10619735 DOI: 10.3389/fphys.2023.1220969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 10/03/2023] [Indexed: 11/04/2023] Open
Abstract
Shoulder pain is common in persons with spinal cord injury and has been associated with wheelchair use. Fatigue related compensation strategies have been identified as possibly impacting the development of shoulder injury and pain. The purpose of this study was to investigate the progression of performance fatigability (i.e., decline in objective measure of performance including neuromuscular activation and increase in heart rate) and perceived fatigability (i.e., increased perceived exertion) during a 15-min fatigue protocol including maximum voluntary overground wheelchair propulsion. Fifty participants with paraplegic spinal cord injury completed three 4-min rounds of wheelchair propulsion, separated by 90 s of rest, on a figure-8 course consisting of two turns and full stops per lap in their manual wheelchairs (ClinicalTrials.gov: NCT03153033). Electromyography (EMG) signal of five muscles acting on the shoulder joint, heart rate (HR), and rate of perceived exertion (RPE) were measured at the beginning and end of every 4 min of propulsion. Root Mean Square (RMS) and Mean Power Frequency were calculated from EMG data. There was a significant increase in %RMS of the pectoralis major pars sternalis and trapezius pars descendens, HR, and RPE with greatest changes during the first 4 min of the protocol. The observed changes in neuromuscular activation in only two of the shoulder muscles may impact muscular imbalances and the development of shoulder injuries and should be further studied. The current study gives clearer insight into the mechanisms of performance fatigability and perceived fatigability throughout a wheelchair propulsion fatigue protocol.
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Affiliation(s)
- Ursina Minder
- Neuro-musculoskeletal Functioning and Mobility Groupe, Swiss Paraplegic Research, Nottwil, Switzerland
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria
- Faculty of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
| | - Ursina Arnet
- Neuro-musculoskeletal Functioning and Mobility Groupe, Swiss Paraplegic Research, Nottwil, Switzerland
| | - Erich Müller
- Department of Sport and Exercise Science, University of Salzburg, Salzburg, Austria
| | - Michael Boninger
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States
| | - Fransiska M. Bossuyt
- Neuro-musculoskeletal Functioning and Mobility Groupe, Swiss Paraplegic Research, Nottwil, Switzerland
- Department of Health Sciences and Technology, Institute for Biomechanics, ETH Zurich, Switzerland
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Halloran KM, Focht MDK, Teague A, Peters J, Rice I, Kersh ME. Moving forward: A review of continuous kinetics and kinematics during handcycling propulsion. J Biomech 2023; 159:111779. [PMID: 37703719 DOI: 10.1016/j.jbiomech.2023.111779] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/15/2023]
Abstract
Wheelchair users (WCUs) face high rates of shoulder overuse injuries. As exercise is recommended to reduce cardiovascular disease prevalent among WCUs, it is becoming increasingly important to understand the mechanisms behind shoulder soft-tissue injury in WCUs. Understanding the kinetics and kinematics during upper-limb propulsion is the first step toward evaluating soft-tissue injury risk in WCUs. This paper examines continuous kinetic and kinematic data available in the literature. Attach-unit and recumbent handcycling are examined and compared. Athletic modes of propulsion such as recumbent handcycling are important considering the higher contact forces, speed, and power outputs experienced during these activities that could put users at increased risk of injury. Understanding the underlying kinetics and kinematics during various propulsion modes can lend insight into shoulder loading, and therefore injury risk, during these activities and inform future exercise guidelines for WCUs.
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Affiliation(s)
- Kellie M Halloran
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, United States of America
| | - Michael D K Focht
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, United States of America
| | - Alexander Teague
- Carle Illinois College of Medicine, University of Illinois Urbana-Champaign, United States of America
| | - Joseph Peters
- Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, United States of America; Disability Resources and Educational Services, University of Illinois Urbana-Champaign, United States of America
| | - Ian Rice
- Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, United States of America
| | - Mariana E Kersh
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, United States of America; Carle Illinois College of Medicine, University of Illinois Urbana-Champaign, United States of America; Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, United States of America.
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Amrein S, Werner C, Arnet U, de Vries WHK. Machine-Learning-Based Methodology for Estimation of Shoulder Load in Wheelchair-Related Activities Using Wearables. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23031577. [PMID: 36772617 PMCID: PMC9918997 DOI: 10.3390/s23031577] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 06/01/2023]
Abstract
There is a high prevalence of shoulder problems in manual wheelchair users (MWUs) with a spinal cord injury. How shoulder load relates to shoulder problems remains unclear. This study aimed to develop a machine-learning-based methodology to estimate the shoulder load in wheelchair-related activities of daily living using wearable sensors. Ten able-bodied participants equipped with five inertial measurement units (IMU) on their thorax, right arm, and wheelchair performed activities exemplary of daily life of MWUs. Electromyography (EMG) was recorded from the long head of the biceps and medial part of the deltoid. A neural network was trained to predict the shoulder load based on IMU and EMG data. Different cross-validation strategies, sensor setups, and model architectures were examined. The predicted shoulder load was compared to the shoulder load determined with musculoskeletal modeling. A subject-specific biLSTM model trained on a sparse sensor setup yielded the most promising results (mean correlation coefficient = 0.74 ± 0.14, relative root-mean-squared error = 8.93% ± 2.49%). The shoulder-load profiles had a mean similarity of 0.84 ± 0.10 over all activities. This study demonstrates the feasibility of using wearable sensors and neural networks to estimate the shoulder load in wheelchair-related activities of daily living.
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Affiliation(s)
- Sabrina Amrein
- Rehabilitation Engineering Laboratory, Department of Health Science and Technology, ETH Zurich, 8049 Zurich, Switzerland
- Swiss Paraplegic Research, Guido A. Zächstrasse 4, 6207 Nottwil, Switzerland
| | - Charlotte Werner
- Rehabilitation Engineering Laboratory, Department of Health Science and Technology, ETH Zurich, 8049 Zurich, Switzerland
- Spinal Cord Injury Center, University Hospital Balgrist, 8008 Zurich, Switzerland
| | - Ursina Arnet
- Swiss Paraplegic Research, Guido A. Zächstrasse 4, 6207 Nottwil, Switzerland
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de Vries WHK, Amrein S, Arnet U, Mayrhuber L, Ehrmann C, Veeger HEJ. Classification of Wheelchair Related Shoulder Loading Activities from Wearable Sensor Data: A Machine Learning Approach. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22197404. [PMID: 36236503 PMCID: PMC9570805 DOI: 10.3390/s22197404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 06/02/2023]
Abstract
Shoulder problems (pain and pathology) are highly prevalent in manual wheelchair users with spinal cord injury. These problems lead to limitations in activities of daily life (ADL), labor- and leisure participation, and increase the health care costs. Shoulder problems are often associated with the long-term reliance on the upper limbs, and the accompanying "shoulder load". To make an estimation of daily shoulder load, it is crucial to know which ADL are performed and how these are executed in the free-living environment (in terms of magnitude, frequency, and duration). The aim of this study was to develop and validate methodology for the classification of wheelchair related shoulder loading ADL (SL-ADL) from wearable sensor data. Ten able bodied participants equipped with five Shimmer sensors on a wheelchair and upper extremity performed eight relevant SL-ADL. Deep learning networks using bidirectional long short-term memory networks were trained on sensor data (acceleration, gyroscope signals and EMG), using video annotated activities as the target. Overall, the trained algorithm performed well, with an accuracy of 98% and specificity of 99%. When reducing the input for training the network to data from only one sensor, the overall performance decreased to around 80% for all performance measures. The use of only forearm sensor data led to a better performance than the use of the upper arm sensor data. It can be concluded that a generalizable algorithm could be trained by a deep learning network to classify wheelchair related SL-ADL from the wearable sensor data.
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Affiliation(s)
| | - Sabrina Amrein
- Swiss Paraplegic Research, Guido A. Zachstrasse 4, 6207 Nottwil, Switzerland
- Rehabilitation Engineering Laboratory, Hönggerberg Campus, ETH Zurich, 8049 Zurich, Switzerland
| | - Ursina Arnet
- Swiss Paraplegic Research, Guido A. Zachstrasse 4, 6207 Nottwil, Switzerland
| | - Laura Mayrhuber
- Swiss Paraplegic Research, Guido A. Zachstrasse 4, 6207 Nottwil, Switzerland
| | - Cristina Ehrmann
- Swiss Paraplegic Research, Guido A. Zachstrasse 4, 6207 Nottwil, Switzerland
| | - H. E. J. Veeger
- Department of Biomechanical Engineering, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands
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Arnet U, Boninger ML, Cools A, Bossuyt FM. Effect of Fatiguing Wheelchair Propulsion and Weight Relief Lifts on Subacromial Space in Wheelchair Users. FRONTIERS IN REHABILITATION SCIENCES 2022; 3:849629. [PMID: 36189050 PMCID: PMC9397688 DOI: 10.3389/fresc.2022.849629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/24/2022] [Indexed: 11/13/2022]
Abstract
ObjectiveThis study aimed to identify targets of intervention for reducing shoulder pain in wheelchair users with spinal cord injury (SCI) by (1) examining changes in subacromial space [acromiohumeral distance (AHD) and occupation ratio (OccRatio)] with fatiguing wheelchair propulsion, and different loading conditions [unloaded position vs. weight relief lifts (WRL)]; (2) associating these changes with wheelchair user capacity, as well as (3) identifying subject characteristics associated with subacromial space, such as sex, lesion level, time since injury, body mass index and impaired shoulder range of motion.MethodsFifty manual wheelchair users with SCI [11 females, age = 50.5 (9.7) years, time since injury = 26.2 (11.4) years] participated in this quasi-experimental one-group pretest-posttest study. Ultrasound images were used to define AHD during an unloaded position, and during personal and instructed WRL before and after fatiguing wheelchair propulsion. Furthermore, supraspinatus and biceps thickness defined from ultrasound images were used to calculate OccRatios. Wheelchair user capacity was quantified as functional strength (maximum resultant force reached during maximum isometric forward push) and anaerobic work capacity (highest power output reached during 15-m sprint test). Multilevel mixed-effects linear regression analyses controlling for between subject variability and covariables were performed to address the research questions.ResultsAHD was significantly smaller during personal WRL (p < 0.001) and instructed WRL (p = 0.009, AHD both 11.5 mm) compared to the unloaded position (11.9 mm). A higher wheelchair user capacity (higher anaerobic work capacity) reduced the impact of WRL on AHD decrease. The fatiguing wheelchair propulsion had no effect on AHD (p = 0.570) and on OccRatio of supraspinatus (p = 0.404) and biceps (p = 0.448). Subject characteristics related to a larger subacromial space were lower lesion level, shorter time since injury, impaired external rotation, a lower body mass index and a higher anaerobic work capacity.ConclusionThis study showed a significant reduction in AHD during WRL with no effect of fatiguing wheelchair propulsion on the subacromial space in wheelchair users with SCI. A higher anaerobic work capacity was beneficial in stabilizing the shoulder during WRL. Our findings may assist clinicians in designing a shoulder injury prevention program.
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Affiliation(s)
- Ursina Arnet
- Shoulder Health and Mobility Group, Swiss Paraplegic Research, Nottwil, Switzerland
- *Correspondence: Ursina Arnet
| | - Michael L. Boninger
- Department of Physical Medicine and Rehabilitation, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Ann Cools
- Department of Rehabilitation Sciences and Physiotherapy, University of Ghent, Ghent, Belgium
| | - Fransiska M. Bossuyt
- Shoulder Health and Mobility Group, Swiss Paraplegic Research, Nottwil, Switzerland
- Human Performance Laboratory, Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada
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Jahanian O, Van Straaten MG, Barlow JD, Murthy NS, Morrow MMB. Progression of rotator cuff tendon pathology in manual wheelchair users with spinal cord injury: A 1-year longitudinal study. J Spinal Cord Med 2022; 46:466-476. [PMID: 35420535 PMCID: PMC10114966 DOI: 10.1080/10790268.2022.2057720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
OBJECTIVE To investigate the progression of rotator cuff tendon pathology across one year in manual wheelchair (MWC) users with spinal cord injury (SCI) and matched able-bodied individuals, and to explore the association between pain, age, and duration of wheelchair use with the progression of rotator cuff pathology. DESIGN Longitudinal cohort study, 1-year follow-up. SETTING Outpatient clinic at a tertiary medical center. PARTICIPANTS Twenty-four adult MWC users with SCI (20 men) with an average age (SD) of 37(12) years and 24 age and sex-matched able-bodied individuals. INTERVENTIONS Not applicable. MAIN OUTCOME MEASURE(S) Presence of shoulder pain was collected. Magnetic resonance imaging (MRI) abnormalities of rotator cuff tendons including tendinopathy and tendon tears at baseline and 1-year follow-up visits were graded by a board-certified musculoskeletal radiologist, and three categories of tendon pathology scores including individual tendon scores, unilateral cuff scores, and bilateral cuff scores were calculated for each participant. RESULTS Fifty-four percent of the MWC users reported shoulder pain at both time points which was significantly higher than able-bodied cohort at baseline (17%, P = 0.012) and year 1 (21%, P = 0.021). Rotator cuff tendon pathology was detected as mainly mild tendinopathies and low-grade partial-thickness tears in both cohorts at both time points but was more common in MWC users. The results for the bilateral cuff scores indicated a significant (P < 0.008) progression of rotator cuff tendon pathology in the MWC users over one year. MRI findings did not change significantly for the able-bodied cohort across time. There was no association of pain, age, or duration of MWC use with progression of rotator cuff pathology in MWC user cohort. CONCLUSION MWC users had a higher prevalence of pain than matched able-bodied cohort, but pain was minimal and not function-limiting. Bilateral cuff TOTAL scores showed pathology progression in MWC users, but MRI findings remained stable in the able-bodied cohort. MWC users were 3.4 times more likely to experience pathology progression than the able-bodied cohort.
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Affiliation(s)
- Omid Jahanian
- Division of Health Care Delivery Research, Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota, USA
| | - Meegan G Van Straaten
- Division of Health Care Delivery Research, Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota, USA
| | - Jonathan D Barlow
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Naveen S Murthy
- Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA
| | - Melissa M B Morrow
- Division of Health Care Delivery Research, Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota, USA
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Aissaoui R, Gagnon D. Effect of Haptic Training During Manual Wheelchair Propulsion on Shoulder Joint Reaction Moments. FRONTIERS IN REHABILITATION SCIENCES 2022; 3:827534. [PMID: 36188985 PMCID: PMC9397983 DOI: 10.3389/fresc.2022.827534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 03/03/2022] [Indexed: 11/29/2022]
Abstract
Background Manual wheelchair propulsion remains a very ineffective means of locomotion in terms of energy cost and mechanical efficiency, as more than half of the forces applied to the pushrim do not contribute to move the wheelchair forward. Manual wheelchair propulsion training using the haptic biofeedback has shown an increase in mechanical efficiency at the handrim level. However, no information is available about the impact of this training on the load at the shoulders. We hypothesized that increasing propulsion mechanical efficiency by 10% during propulsion would not yield clinically significant augmentation of the load sustained at the shoulders. Methods Eighteen long-term manual wheelchair users with a spinal cord injury propelled a manual wheelchair over a wheelchair simulator offering the haptic biofeedback. Participants were asked to propel without the Haptic Biofeedback (HB) and, thereafter, they were subjected to five training blocks BL1–BL5 of 3 min in a random order with the haptic biofeedback targeting a 10% increase in force effectiveness. The training blocs such as BL1, BL2 BL3, BL4, and BL5 correspond, respectively, to a resistant moment of 5, 10, 15, 20, and 25%. Pushrim kinetics, shoulder joint moments, and forces during the propulsive cycle of wheelchair propulsion were assessed for each condition. Results The tangential force component increases significantly by 74 and 87%, whereas value for the mechanical effective force increases by 9% between the pretraining and training blocks BL3. The haptic biofeedback resulted in a significant increase of the shoulder moments with 1–7 Nm. Conclusion Increases in shoulder loads were found for the corresponding training blocks but even though the percentage of the increase seems high, the amplitude of the joint moment remains under the values of wheelchair propulsion found in the literature. The use of the HB simulator is considered here as a safe approach to increase mechanical effectiveness. However, the longitudinal impact of this enhancement remains unknown for the impact on the shoulder joint. Future studies will be focused on this impact in terms of shoulder risk injury during manual wheelchair propulsion.
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Affiliation(s)
- Rachid Aissaoui
- Laboratoire de Recherche en Imagerie et Orthopédie (LIO), Centre de Recherche du Centre Hospitalier Universitaire de Montréal (CRCHUM), Montreal, QC, Canada
- Département de Génie des systèmes, École de technologie supérieure (ETS), Montreal, QC, Canada
- *Correspondence: Rachid Aissaoui
| | - Dany Gagnon
- School of Rehabilitation, Université de Montréal, Montreal, QC, Canada
- Pathokinesiology Laboratory (www.pathokin.ca), Institut universitaire sur la réadaptation en déficience physique de Montréal (IURDPM), Montreal, QC, Canada
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Bossuyt FM, Mason BS, Briley S, O'Brien TJ, Boninger ML, Arnet U, Goosey-Tolfrey VL. Shoulder Tendon Adaptations Following a Graded Exercise Test to Exhaustion in Highly Trained Wheelchair Rugby Athletes With Different Impairments. FRONTIERS IN REHABILITATION SCIENCES 2022; 2:755466. [PMID: 36188798 PMCID: PMC9397820 DOI: 10.3389/fresc.2021.755466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022]
Abstract
Objective This study aimed to identify acute changes in biceps and supraspinatus tendon characteristics before and after a graded exercise test to exhaustion (GXT) in highly trained wheelchair rugby (WR) athletes. A secondary aspect was to define chronic tendon adaptations related to the impairment of the athlete and the occupation of the tendon within the subacromial space (occupation ratio). Methods Twelve WR athletes with different impairments (age = 32 ± 6 years; body mass = 67.2 ± 11.2 kg; 9.0 ± 3.6 years competing) volunteered for this study. Performance Corrected Wheelchair Users Shoulder Pain Index was used to quantify shoulder pain. Quantitative Ultrasound Protocols (QUS) were used to define supraspinatus and biceps tendon thickness, echogenicity, and echogenicity ratio of both dominant and non-dominant shoulder before and after the GXT including 22 ± 3.1 min submaximal propulsion and 10.2 ± 1.7 min maximal propulsion on a treadmill. Furthermore, the acromio-humeral distance (AHD) defined from ultrasound (US) images was used to calculate the occupation ratios. Results A mixed-effect multilevel analysis that included shoulder as grouping variable, demonstrated a significant reduction in the echogenicity of the biceps following GXT whilst controlling for impairment [spinal cord injury (SCI) and non-SCI] and the occupation ratio (β = −9.01, SEβ = 2.72, p = 0.001, 95% CI = [−14.34; −3.68]). This points toward fluid inflow into the tendon that may be related to overload and acute inflammation. In addition, persons with a SCI (n = 8) had a thicker supraspinatus tendon in comparison to persons with non-SCI (n = 3) which may be related to chronic tendon adaptations (β = −0.53 mm, SEβ = 0.26, p = 0.038, 95% CI = [−1.04; −0.03]). Finally, a greater occupation ratio was associated with signs of tendinopathy (i.e., greater biceps and supraspinatus tendon thickness, and lower supraspinatus echogenicity and echogenicity ratio). Conclusion Acute biceps tendon adaptations in response to the GXT in highly trained WR athletes were evident with chronic adaptations in the supraspinatus tendon being related to the impairment of the athlete. Ultrasound can be used to monitor tendon adaptations in WR athletes for medical diagnosis to assist the scheduling and type of training.
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Affiliation(s)
- Fransiska Marie Bossuyt
- Shoulder, Health and Mobility Group, Swiss Paraplegic Research, Nottwil, Switzerland
- Human Performance Laboratory, Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada
- *Correspondence: Fransiska Marie Bossuyt
| | - Barry S. Mason
- Peter Harrison Centre for Disability Sport, School of Sport, Exercise, and Health Sciences, Loughborough University, Loughborough, United Kingdom
| | - Simon Briley
- Peter Harrison Centre for Disability Sport, School of Sport, Exercise, and Health Sciences, Loughborough University, Loughborough, United Kingdom
| | - Thomas J. O'Brien
- Peter Harrison Centre for Disability Sport, School of Sport, Exercise, and Health Sciences, Loughborough University, Loughborough, United Kingdom
| | - Michael L. Boninger
- Department of Physical Medicine and Rehabilitation, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Ursina Arnet
- Shoulder, Health and Mobility Group, Swiss Paraplegic Research, Nottwil, Switzerland
| | - Victoria Louise Goosey-Tolfrey
- Peter Harrison Centre for Disability Sport, School of Sport, Exercise, and Health Sciences, Loughborough University, Loughborough, United Kingdom
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