Open research questions in Shoulder Injury and Treatment
311 unresolved questions extracted from the limitations and future-work sections of 1,160 Shoulder Injury and Treatment papers in our library. Each links back to the study that raised it.
What the literature leaves open
Substantial baseline imbalance between the intervention and control groups. The lack of blinding for participants and treating personnel. The absence of assessor blinding for outcome assessment.
Low-Supervision Asynchronously Monitored Home Rehabilitation for Adhesive Capsulitis: A Pilot Randomized Study · 2026 · DOIThe lack of effective and supervised home rehabilitation programs for adhesive capsulitis. The difficulty in documenting home exercise objectively. No other specific gaps are mentioned.
Low-Supervision Asynchronously Monitored Home Rehabilitation for Adhesive Capsulitis: A Pilot Randomized Study · 2026 · DOIThe study had a limited sample size - The study's limited sensitivity to moderate or smaller effects - Protocol-specific measurement error could not be quantified
Do patients with non-traumatic rotator cuff tears differ from healthy individuals in forward head posture, rounded shoulder posture, and thoracic kyphosis? · 2026 · DOIThe study identifies a gap in understanding the relationship between non-traumatic rotator cuff tears and static postural changes. There is a need to investigate whether patients with non-traumatic rotator cuff tears show consistent static postural changes.
Do patients with non-traumatic rotator cuff tears differ from healthy individuals in forward head posture, rounded shoulder posture, and thoracic kyphosis? · 2026 · DOILarge-scale investigations are needed to confirm these findings and inform clinical translation, - Further studies should evaluate the accuracy of the Azure Kinect in different movement planes
Validation of Azure Kinect for upper limb kinematic assessment after arthroscopic rotator cuff repair: task-dependent accuracy and postoperative overestimation · 2026 · DOIPostoperative functional evaluation relies heavily on subjective clinical scales. There is a lack of objective kinematic assessment tools for upper limb movement after arthroscopic rotator cuff repair. The current tools for postoperative functional movement assessment have limitations.
Validation of Azure Kinect for upper limb kinematic assessment after arthroscopic rotator cuff repair: task-dependent accuracy and postoperative overestimation · 2026 · DOIAlthough side-to-side differences in HRT, known as relative HRT (rHRT), have been linked to MUCL injury, the relationship between rHRT and glenohumeral rotational range of motion (ROM) in injured athletes is not well defined.
The Relationship between Relative Humeral Retrotorsion and Clinical Outcomes in Baseball Athletes with a Medial Ulnar Collateral Ligament Injury · 2026 · DOIIn contrast, augmentation and superior capsular reconstruction showed substantial variability, with most statements failing to reach consensus, with no agreement regarding the optimal graft type, augmentation configuration, or ideal indications for balloons, tuberoplasty, or acromial patching.
Rotator Cuff Tears Part II: Subscapularis Repair, Augmentation, and Tendon Transfer—An International Expert Consensus Statement · 2026 · DOIBackground: Bone loss is an established risk factor for recurrent anterior shoulder instability and failure of isolated arthroscopic Bankart repair; however, its prevalence and clinical significance at initial presentation in adolescents remains poorly characterized.
Indications for Isolated Arthroscopic Bankart Repair in the Adolescent Shoulder May Be Limited: Bipolar Bone Loss and Low Distance to Dislocation Found Commonly in an Adolescent Population With Glenohumeral Instability · 2026 · DOIFurthermore, there is no consensus regarding the treatment of PHF in older adults requiring long-term care (LTC).
Treatment and prognosis of proximal humerus fracture in older adults: a retrospective cohort study using health insurance claims database · 2026 · DOIBACKGROUND: The underlying general condition of older adults before proximal humerus fracture (PHF) and outcomes after PHF have not been described in detail.
Treatment and prognosis of proximal humerus fracture in older adults: a retrospective cohort study using health insurance claims database · 2026 · DOIWhether supplementing scapular stabilization with kinetic‐chain exercises provides greater short‐term benefits remains uncertain.
Short‐Term Clinical Comparison of Scapular Stabilization With and Without Added Kinetic‐Chain Exercises on Pain, Scapular Kinematics, and Upper‐Extremity Function in Overhead Athletes With Subacromial Pain Syndrome: A Randomized Controlled Trial · 2026 · DOIGuidelines recommend a corticosteroid injection or exercise therapy, but long-term comparative cost-effectiveness remains unclear.
Cost-effectiveness of a corticosteroid injection versus exercise therapy for shoulder pain in general practice (SIX-Shoulder Study): a randomized controlled trial · 2025 · DOIFindings support nonoperative care as effective at 1 year; longer-term outcomes remain to be studied.
BACKGROUND: Shoulder pain is common amongst adults, but little is known about patients' preferences.
Patient preferences for conservative treatment of shoulder pain: a discrete choice experiment · 2024 · DOIA key challenge in RC repair is the healing of tendon-bone interface (TBI), for which bioactive materials suitable for interface repair are still lacking.
Bioactive Patch for Rotator Cuff Repairing via Enhancing Tendon‐to‐Bone Healing: A Large Animal Study and Short‐Term Outcome of a Clinical Trial · 2024 · DOIHowever, its association with shoulder function in elderly patients with rotator cuff tears (RCT) remains unknown.
Low skeletal muscle mass is associated with inferior preoperative and postoperative shoulder function in elderly rotator cuff tear patients · 2024 · DOIFuture research can focus on developing more accurate machine learning algorithms. Future research can focus on using larger datasets and more diverse populations.
Making Sense of Shoulder Exercise: Measuring the Accuracy of an Artificial Intelligence Model to Classify Shoulder Exercise via Wearable Sensors Among People With and Without Rotator Cuff Tendinopathy · 2026 · DOITendinopathies are prevalent and have a significant socioeconomic burden. The therapeutic efficacy of high-intensity laser therapy varies across tendon locations. The optimal treatment parameters for high-intensity laser therapy in patients with tendinopathy are unknown.
Effectiveness of high-intensity laser therapy for tendinopathy: a systematic review and meta-analysis of randomised controlled trials · 2026 · DOIFurther research is required to elucidate therapeutic efficacy differences of high-intensity laser therapy across various subtypes. The optimal treatment parameters for high-intensity laser therapy in patients with tendinopathy are unknown. The long-term effects of high-intensity laser therapy in patients with tendinopathy are not fully understood.
Effectiveness of high-intensity laser therapy for tendinopathy: a systematic review and meta-analysis of randomised controlled trials · 2026 · DOIThere is a need to understand learning curves in arthroscopic surgery to optimize training, patient safety, and early independent practice. The existing evidence on learning curves in arthroscopic surgery is heterogeneous and limited.
Learning curves in arthroscopic surgery: A scoping review of knee, shoulder, and hip procedures · 2026 · DOIMethodological heterogeneity was identified as a limitation. Limited external validation was noted as a limitation. The study only included studies published in English or Spanish. The study only included studies that used MRI as the primary imaging modality.
Rendimiento Diagnóstico de la Inteligencia Artificial en la Identificación de Lesiones del Manguito Rotador Mediante Resonancia Magnética: Revisión Sistemática · 2026 · DOIThere is a need for prospective, multicenter studies to validate the diagnostic accuracy of AI in shoulder MRI. Methodological heterogeneity and limited external validation are limitations of the current evidence.
Rendimiento Diagnóstico de la Inteligencia Artificial en la Identificación de Lesiones del Manguito Rotador Mediante Resonancia Magnética: Revisión Sistemática · 2026 · DOIThe paper notes that the risk of recurrent dislocation increases significantly as the distance to dislocation approaches 0. The paper also notes that the selection of imaging must be done on a case-by-case basis. The paper highlights the need for patient-specific considerations, including age, level of play, athletic goals, risk of recurrence, and extent of bone loss.
There is a need for further research on the optimal treatment of shoulder instability in contact and collision athletes. The paper highlights the importance of patient-specific considerations, including age, level of play, athletic goals, risk of recurrence, and extent of bone loss.
Most-cited papers in Shoulder Injury and Treatment
- Kinetics of Baseball Pitching with Implications About Injury Mechanisms · The American Journal of Sports Medicine · 1995 · 1,290 citations
- The Role of the Scapula in Athletic Shoulder Function · The American Journal of Sports Medicine · 1998 · 956 citations
- Fatty Infiltration and Atrophy of the Rotator Cuff do not Improve after Rotator Cuff Repair and Correlate with Poor Functional Outcome · The American Journal of Sports Medicine · 2007 · 846 citations
- Glenoid labrum tears related to the long head of the biceps · The American Journal of Sports Medicine · 1985 · 833 citations
- Impingement syndrome in athletes · The American Journal of Sports Medicine · 1980 · 783 citations
- The epidemiology of musculoskeletal tendinous and ligamentous injuries · Injury · 2008 · 687 citations
- The Development and Evaluation of a Disease-Specific Quality of Life Measurement Tool for Shoulder Instability · The American Journal of Sports Medicine · 1998 · 660 citations
- Treatment of Chronic Elbow Tendinosis with Buffered Platelet-Rich Plasma · The American Journal of Sports Medicine · 2006 · 645 citations
- Redefining “Critical” Bone Loss in Shoulder Instability · The American Journal of Sports Medicine · 2015 · 636 citations
- Superior Capsule Reconstruction to Restore Superior Stability in Irreparable Rotator Cuff Tears · The American Journal of Sports Medicine · 2012 · 582 citations
Most recent work
- Scapular Morphology and Posterior Shoulder Stability: Biomechanical Evidence From an Advanced Cadaveric Shoulder Simulator · The American Journal of Sports Medicine · 2026
- Purified Exosome Product Enhances Tendon-Bone Healing in a Rat Rotator Cuff Repair Model · The American Journal of Sports Medicine · 2026
- Summative Report on Time Out of Play and Injury Rates for Major and Minor League Baseball: An Analysis of 83,215 Injuries From 2011 to 2023 · The American Journal of Sports Medicine · 2026
- Intraoperative Zoledronic Acid for Arthroscopic Rotator Cuff Repair: Short-Term Results From a Prospective, Randomized, Placebo-Controlled Phase II Trial · The American Journal of Sports Medicine · 2026
- Alpha-Ketoglutarate, a Natural Endogenous Metabolite, Enhances Rotator Cuff Tendon–to-Bone Healing by Mitigating Postmenopausal Osteoporosis · The American Journal of Sports Medicine · 2026
- A Novel Methodology for Establishing Best Values for MCID, SCB, and PASS Thresholds for Rotator Cuff Repair · The American Journal of Sports Medicine · 2026
- Arthroscopic Posterior Bankart Repair: Risk Factors for Recurrence of Instability · The American Journal of Sports Medicine · 2026
- Pitch-Tracking Risk Factors and Warning Signs for Ulnar Collateral Ligament Injuries in Major League Baseball Pitchers · The American Journal of Sports Medicine · 2026
- Superior Capsule Reconstruction With Thicker Human Dermal Allograft Leads to Lower Lateral‐Sided Graft Tears and Better Functional Outcomes · Arthroscopy The Journal of Arthroscopic and Related Surgery · 2026
- The Use of Allograft or Xenograft Augmentation in Rotator Cuff Repair Is Cost‐Effective Particularly With Allograft · Arthroscopy · 2026
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