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Hennepin technique for reducing anterior shoulder dislocations.

Hennepin technique for reducing anterior shoulder dislocations.
Hennepin technique for reducing anterior shoulder dislocations.

The practitioner adducts the dislocated arm with the elbow held at 90°. The arm is then externally rotated slowly (eg, over 5 to 10 min) to allow time for muscle spasms to resolve. Reduction commonly occurs at 70 to 110° of external rotation.