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Scapular Dyskinesis

phases of throwing picture

synonyms: SICK scapula sydrome (scapular malposition, inferior medial border promince, coradoic pain and malposition, and dysKinesis of scapular movement)

Scapular Dyskinesis ICD-9

  • 719.41 (Pain in joint; shoulder region)

Scapular Dyskinesis Etiology / Epidemiology / Natural History

  • Scapular dyskinesis = alteration in the normal position or motion of the scapula during coupled scapulohumeral movements. Related to inhibition or disorganization of activation patterns in scapular stabilizing muscles.
  • Posteroinferior capsular thightness and scapular dyskinesis may lead to articular surface RTC tears and SLAP lesions.
  • Tenderness over the coracoid may be related to pectoralis minor tendon contracture secondary to scapular malposition.

Scapular Dyskinesis Anatomy

Scapular Dyskinesis Clinical Evaluation

  • Posteroinferior shoulder pain.
  • Medial border prominence demonstrates increased scapular internal rotation.
  • Tenderness over the coracoid
  • (Kibler WB, JSES 2002;11:550). 3

Scapular Dyskinesis Xray / Diagnositc Tests

Scapular Dyskinesis Classification / Treatment

  • Initial treatment: physical therapy directed at stretching the posterior capsule and pectoralis minor.
  • Consider Alignmed bracing.
  • Type I dyskinesis: inferior medial border prominence
  • Type II dyskinesis: prominence of the entire medial border

Scapular Dyskinesis Associated Injuries / Differential Diagnosis

Scapular Dyskinesis Complications

Scapular Dyskinesis Follow-up Care

Scapular Dyskinesis Review References

  • Kibler WB, JAAOS 2003; 11: 142
  • Burkhart SS, Arthroscopy 2003;19:641



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