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Related Experiment Videos

Evaluation of shoulder laxity

E G McFarland1, B M Torpey, L A Curl

  • 1Department of Orthopaedic Surgery, Johns Hopkins University, Baltimore, Maryland, USA.

Sports Medicine (Auckland, N.Z.)
|October 1, 1996
PubMed
Summary

Understanding shoulder laxity requires knowledge of glenohumeral joint anatomy. This review distinguishes normal laxity from pathological instability, crucial for accurate clinical assessment and diagnosis.

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Area of Science:

  • Orthopedics
  • Biomechanics
  • Sports Medicine

Background:

  • Shoulder laxity is a normal aspect of glenohumeral joint motion.
  • Excessive laxity can lead to shoulder instability, requiring clinical differentiation from normal motion.

Purpose of the Study:

  • To review current techniques for evaluating shoulder laxity.
  • To discuss the interpretation of examination findings in relation to normal and pathological shoulder laxity.

Main Methods:

  • Review of current clinical examination techniques for shoulder laxity.
  • Analysis of diagnostic criteria for distinguishing normal from pathological laxity.

Main Results:

  • Various examination techniques assess anterior, posterior, inferior, and multidirectional shoulder laxity.
  • Subluxation is recognized as a form of clinical or symptomatic instability.

Conclusions:

  • Clinical assessment integrating history and physical examination is vital for differentiating normal from pathological shoulder laxity.
  • Proper interpretation of laxity evaluations aids in diagnosing and managing shoulder instability.

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