Luxatio erecta

Luxatio erecta

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Luxatio erecta is inferior shoulder dislocation. This dislocation usually occurs when a direct axial force is applied to a fully abducted arm or when a hyperabduction force leads to leverage of the humeral head across the acromion, resulting in inferior dislocation of the humerus.

• Luxatio erecta is uncommon, accounting for 1 - 2% of shoulder dislocations.
• In luxatio erecta, the inferior capsule almost always is torn.
• Associated bony injuries include fractures of the greater tuberosity, acromion, clavicle, coracoid process, and glenoid rim.
• Brachial plexus and axillary artery injuries are possible serious complications.
• Long-term complications include adhesive capsulitis and recurrent subluxations or dislocations.

Diagnostic Findings

• The humeral head is dislocated inferiorly to a subcoracoid position.
• The superior aspect of the humeral head does not contact the inferior aspect of the glenoid rim, and the arm is held over the patient's head in a fixed abducted position.
• An associated fracture of the greater tuberosity may be present.

See Also

• Anterior shoulder dislocation
• Posterior shoulder dislocation

External Links

• Goldminer: Luxatio erecta

References

• E-medicine shoulder dislocation article.

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