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May 22, 2026Knee Surgery Sports Traumatology ArthroscopyOpen Access

Association between acromial morphology, scapular control, ultrasonographic impingement and non‐surgical treatment outcome in patients with isolated subacromial pain syndrome

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Authors

AWAdam WittenUniversity of CopenhagenKTKristian ThorborgAmager HospitalPHPer HölmichAmager Hospital

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Implication

Prognostic study investigates acromial morphology and treatment outcomes in patients with subacromial pain syndrome, suggesting implications for future treatment strategies.

Key Points

  • This study aims to explore the relationship between acromial morphology, scapular control, and ultrasonographic impingement with treatment outcomes in subacromial pain syndrome.
  • Consecutive patient recruitment from an orthopedic outpatient clinic.
  • Treatment consisted of three months of physiotherapy, with outcomes measured using the Shoulder Pain and Disability Index (SPADI).
  • Linear regression analyses evaluated associations between acromial morphology, scapular control, and treatment outcome.
  • Increased acromial curvature correlated with a poorer treatment outcome, predicting a SPADI change of 1.8 points per degree of curvature.
  • No significant association was found between scapular control or ultrasonographic impingement and changes in SPADI.
  • The analysis included 69 patients for scapular control, 62 for impingement, and 45 for acromial morphology.

Cite This Study

Witten et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff3ffd674f7c03778d0bfhttps://doi.org/10.1002/ksa.70424
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Impingement Lesions1983 · 1,336 citations
  2. 2The Intertester Reliability of the Scapular Assistance Test2006 · 120 citations
  3. 3Bilateral ultrasonographic findings in patients with unilateral subacromial pain syndrome and intact rotator cuff tendons2025 · 3 citations
  4. 4Glenohumeral and scapulothoracic strength impairments exists in patients with subacromial impingement, but these are not reflected in the shoulder pain and disability index2017 · 62 citations
  5. 5Roentgenographic assessment of acromial morphology using supraspinatus outlet radiographs2001 · 32 citations