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Chin-up-induced bilateral anterior shoulder dislocation: a case report
Howard Felderman1, Richard Shih, Victor Maroun
1Department of Emergency Medicine, Morristown Memorial Hospital, 100 Madison Avenue, Box 8, Morristown, NJ 07962-1965, USA.
The Journal of Emergency Medicine
|December 9, 2008
Summary
Simultaneous bilateral anterior shoulder dislocations are rare. Chin-up exercises can increase glenohumeral joint instability, leading to this type of dislocation.
Area of Science:
- Orthopedics
- Sports Medicine
- Traumatology
Background:
- Simultaneous bilateral anterior shoulder dislocations are exceptionally rare clinical events.
- This case highlights an unusual mechanism of injury previously unreported in medical literature.
Observation:
- A 44-year-old woman experienced acute bilateral shoulder pain and paresthesias during chin-up exercises.
- Physical examination confirmed simultaneous anterior dislocations of both glenohumeral joints.
Findings:
- The patient's bilateral anterior shoulder dislocations were successfully reduced using procedural sedation and traction-countertraction.
- The mechanism of injury involved the specific biomechanics of chin-up exercises.
Implications:
- Chin-up exercises may place the glenohumeral joint in a vulnerable position, predisposing individuals to anterior shoulder dislocation.
- Awareness of this exercise-induced risk is crucial for clinicians managing shoulder injuries.