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Shoulder Injury and Treatment
Research Guide
What is Shoulder Injury and Treatment?
Shoulder injury and treatment encompasses the diagnosis, surgical and rehabilitative management of shoulder pathologies including rotator cuff tears, glenohumeral instability, proximal humerus fractures, and scapular dyskinesis, with assessment methods evaluating function, biomechanics, and repair outcomes.
The field includes 142,677 works on shoulder pathology, rotator cuff tears, arthroscopic repair, and rehabilitation methods. Constant and Murley (1987) introduced a clinical method for functional assessment of the shoulder that applies irrespective of specific diagnostic or radiologic abnormalities. Galatz et al. (2004) reported high rates of recurrent defects in arthroscopic repairs of large and massive rotator cuff tears despite pain relief and improved daily function.
Topic Hierarchy
Research Sub-Topics
Rotator Cuff Tear Repair Outcomes
This sub-topic investigates arthroscopic versus open repair techniques, retear rates, and functional recovery metrics. Researchers use MRI follow-ups and patient-reported outcomes in randomized trials.
Glenohumeral Instability Management
This sub-topic examines Bankart repair, Latarjet procedure, and capsular shifts for anterior/posterior instability. Researchers study recurrence risks, bone loss assessment, and athletic return-to-play.
Shoulder Arthroplasty Techniques
This sub-topic compares anatomic total shoulder arthroplasty with reverse shoulder arthroplasty for glenohumeral arthritis. Researchers evaluate implant longevity, complications, and revision strategies.
Proximal Humerus Fracture Fixation
This sub-topic analyzes locking plate osteosynthesis, intramedullary nailing, and nonoperative management for proximal humerus fractures. Researchers assess avascular necrosis risks and union rates via cohort studies.
Scapular Dyskinesis Rehabilitation
This sub-topic focuses on kinematic assessments, periscapular strengthening protocols, and integration with rotator cuff rehab. Researchers validate diagnostic tests and measure scapulohumeral rhythm improvements.
Why It Matters
Shoulder injuries affect daily function and sports performance, with treatments like arthroscopic repair addressing rotator cuff tears prevalent in adults over 50. Galatz et al. (2004) in "The Outcome and Repair Integrity of Completely Arthroscopically Repaired Large and Massive Rotator Cuff Tears" found 73% recurrent defects at 12 months post-repair, yet patients achieved excellent pain relief and ability to perform activities of daily living. Goutallier et al. (1994) used CT scans to grade fatty muscle degeneration in cuff ruptures, showing preoperative staging predicts postoperative repair integrity in 63 patients. Neer (1972) demonstrated anterior acromioplasty relieves impingement syndrome by addressing coraco-acromial ligament pressure on the rotator cuff. Recent preprints explore exercise types for rotator cuff-related shoulder pain and optimal rehabilitation protocols, while news highlights BioEnthesis implants enhancing tendon-bone healing.
Reading Guide
Where to Start
"A Clinical Method of Functional Assessment of the Shoulder" by Constant and Murley (1987) is the starting point for beginners as it provides a foundational, widely cited (5181 citations) clinical tool applicable to any shoulder pathology for functional evaluation.
Key Papers Explained
Constant and Murley (1987) established functional assessment in "A Clinical Method of Functional Assessment of the Shoulder," which complements biomechanical standards from Wu et al. (2004) in "ISB recommendation on definitions of joint coordinate systems... Part II: shoulder..." for motion reporting. Goutallier et al. (1994) built on imaging in "Fatty muscle degeneration in cuff ruptures..." to predict repair outcomes, while Galatz et al. (2004) in "The Outcome and Repair Integrity..." evaluated arthroscopic repairs, and Neer (1972) in "Anterior Acromioplasty..." addressed impingement etiology underlying many tears.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Recent preprints focus on exercise meta-analyses for rotator cuff pain, optimal rehab protocols, and arthroscopy's minimally invasive role. News covers SPR SPRINT PNS for chronic pain, BioEnthesis implants for tendon-bone healing, and grants for shoulder osteoarthritis pathology.
Papers at a Glance
In the News
SPR announces publication of sustained chronic shoulder ...
The SPR® SPRINT® PNS System marks an innovative shift in the treatment of pain. Our breakthrough, 60-day treatment is a First-Line PNS™ option uniquely proposed to recondition the central nervous s...
Paving the Way to Better Outcomes for Rotator Cuff Surgery
muscle degeneration in rotator cuff injuries.
Rotator Cuff Repair 2025: Market Trends and Treatment Breakthroughs
- The application of the BioEnthesis implant, developed at Purdue University, represents another significant breakthrough. This implant re-creates the enthesis, the critical junction between tendon...
Shoulder Osteoarthritis Research Grant
first-of-its-kind collaboration aimed at unraveling the complexities of shoulder pathology and osteoarthritis (OA).
Rotator Cuff Injury
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Code & Tools
> > An open library of musculoskeletal models > Tip For the the latest AMMR 4 release, with full thoracic model please see AMMR4-beta The AnyBody ...
## Repository files navigation # opensim-shoulder Musculoskeletal model of the shoulder in OpenSim ## About Musculoskeletal model of the should...
This repository is a collection of force component plugins, models, and executables (tools) that are designed to enable OpenSim musculoskeletal sim...
A curated, public list of resources for biomechanics and human motion analysis: datasets, processing tools, software for simulation, educational vi...
* Exercises targeting the shoulders, arms, back, knees, and other body parts were selected for monitoring, such as shoulder external rotation and k...
Recent Preprints
Diagnosis, prevention and treatment of common shoulder ...
permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. ABSTRACT This statement paper summarises and appraises the evidence on diagnosis, prevention, and t...
Effects of seven types of exercise in the treatment of rotator cuff-related shoulder pain (RCRSP): a systematic review and Bayesian network meta-analysis
Rotator cuff-related shoulder pain (RCRSP) is the most common cause of shoulder pain and represents one of the most common musculoskeletal conditions affecting the shoulder. Despite ample evidence ...
Optimal Techniques and Rehabilitation Protocols for Rotator Cuff Repair: A Literature Review
Rotator cuff pathology is present in nearly half the adult population over the age of 50 years and remains a leading cause of shoulder pain and dysfunction. These musculotendinous injuries may be t...
The Role of Arthroscopy As Minimal Invasive for Shoulder ...
Shoulder injuries resulting from acute trauma are frequent. Minimally invasive (MIS) procedures such as arthroscopy are increasingly being used instead of traditional open approaches for several su...
Patterns and Trends of High-Cost Claims Involving Back and ...
This study examines the key factors associated with high-cost workers’ compensation claims involving back and shoulder injuries, where medical expenses exceed $65,000 within 36 months of injury.
Latest Developments
Recent developments in shoulder injury and treatment research include FDA-approved pyrocarbon implants for younger, athletic patients, advancements in biologic treatments like bioinductive rotator cuff implants that stimulate tissue regeneration, and updated clinical guidelines emphasizing biologics and improved surgical techniques to enhance healing and reduce retear rates, as of early 2026 (Duke Health, AAOS, PR Newswire).
Sources
Frequently Asked Questions
What is the Constant-Murley score for shoulder assessment?
The Constant-Murley score, described in "A Clinical Method of Functional Assessment of the Shoulder" by Constant and Murley (1987), evaluates shoulder function through pain, activities of daily living, mobility, and strength, applicable regardless of specific disease or injury details. It records individual parameters for a comprehensive clinical measure. This method has garnered 5181 citations for its reliability in shoulder evaluation.
How does fatty degeneration affect rotator cuff repair outcomes?
Goutallier et al. (1994) in "Fatty muscle degeneration in cuff ruptures. Pre- and postoperative evaluation by CT scan." graded degeneration in five stages via CT in 63 patients preoperatively. Postoperative evaluation after 17.7 months in 57 patients showed fatty degeneration progression despite repair. Arthrographies confirmed repair integrity correlations with initial degeneration levels.
What are the outcomes of arthroscopic repair for massive rotator cuff tears?
Galatz et al. (2004) in "The Outcome and Repair Integrity of Completely Arthroscopically Repaired Large and Massive Rotator Cuff Tears" evaluated repairs at 12 months minimum follow-up. High recurrent defect rates occurred, but patients reported excellent pain relief and improved daily activities. Ultrasound confirmed structural failures in most cases.
What is anterior acromioplasty used for in shoulder impingement?
Neer (1972) in "Anterior Acromioplasty for the Chronic Impingement Syndrome in the Shoulder" identified impingement by the coraco-acromial ligament and anterior acromion on the rotator cuff. The procedure removes proliferative spurs and ridges to alleviate the syndrome. It addresses characteristic shoulder disability from tendinous compression.
How is shoulder joint motion standardized in biomechanical studies?
Wu et al. (2004) in "ISB recommendation on definitions of joint coordinate systems of various joints for the reporting of human joint motion—Part II: shoulder, elbow, wrist and hand" defined joint coordinate systems for consistent reporting of shoulder motion. This standardizes descriptions across studies for shoulder, elbow, wrist, and hand. It facilitates communication of three-dimensional kinematics.
What role does arthroscopy play in shoulder osteoarthritis treatment?
Moseley et al. (2002) in "A Controlled Trial of Arthroscopic Surgery for Osteoarthritis of the Knee" found arthroscopic lavage or débridement no better than placebo, though focused on knee, informing shoulder applications. Recent preprints like "The Role of Arthroscopy As Minimal Invasive for Shoulder ..." note its increasing use for shoulder pathologies as a minimally invasive alternative to open surgery. Shoulder ranks second in arthroscopy frequency.
Open Research Questions
- ? How can preoperative imaging better predict postoperative fatty degeneration progression in rotator cuff repairs?
- ? What rehabilitation protocols optimize functional outcomes despite high recurrent tear rates in massive cuff repairs?
- ? Which exercise types provide superior efficacy for rotator cuff-related shoulder pain based on network meta-analysis?
- ? How do joint coordinate systems improve standardization of shoulder biomechanics in clinical trials?
- ? What factors drive high-cost claims in workers’ compensation for shoulder injuries exceeding $65,000 in 36 months?
Recent Trends
Preprints from the last six months emphasize Bayesian network meta-analysis of seven exercise types for rotator cuff-related shoulder pain , optimal techniques and rehab protocols noting pathology in half of adults over 50 (2025), and high-cost claim patterns exceeding $65,000 for shoulder injuries (2025).
2025News reports sustained pain relief via SPR SPRINT PNS system , BioEnthesis implants from Purdue for rotator cuff repair (2025), and research grants for shoulder osteoarthritis (2025).
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