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Related Experiment Videos

Glenohumeral instability

R J Friedman1, E R Blocker, D L Morrow

  • 1Department of Orthopaedic Surgery, Medical University of South Carolina, Charleston 29425, USA.

Journal of the Southern Orthopaedic Association
|January 1, 1995
PubMed
Summary
This summary is machine-generated.

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Glenohumeral instability involves shoulder pain and function loss from excessive humeral head movement. Diagnosis relies on clinical exams and imaging, with conservative treatment typically recommended first for shoulder instability.

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Biomechanics

Background:

  • Glenohumeral instability is characterized by excessive humeral head translation on the glenoid fossa, leading to shoulder pain and dysfunction.
  • Understanding shoulder anatomy and biomechanics is crucial for diagnosing and treating glenohumeral instability.
  • Classification of instability considers direction, degree, mechanism, and frequency.

Purpose of the Study:

  • To review the diagnosis and treatment of glenohumeral instability.
  • To emphasize the importance of accurate diagnosis for selecting appropriate treatment.
  • To outline the role of conservative and operative interventions.

Main Methods:

  • Review of clinical examination techniques for diagnosing shoulder instability.

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  • Discussion of various imaging modalities including plain radiographs, arthrography, CT, MRI, examination under anesthesia, and arthroscopy.
  • Analysis of conservative and operative treatment strategies.

    • Main Results:

    • Clinical examination is paramount for diagnosing glenohumeral instability.
    • Advanced imaging and procedures can aid in complex cases.
    • Conservative treatment, including rehabilitation, is effective for many patients.
    • Operative treatment is reserved for cases unresponsive to conservative therapy.

    Conclusions:

    • Accurate diagnosis of all components of glenohumeral instability is essential for effective management.
    • Conservative treatment should be the initial approach for most patients with shoulder instability.
    • Surgical intervention is indicated for recurrent instability refractory to conservative measures.