Author: Meaghan Mercer, DO; AAEM/RSA President
- Injury to a division of the median nerve known as the anterior interosseous nerve (AIN) can occur.
- AIN palsy can cause paralysis of the flexor pollicis longus and flexor digitorum profundus muscles.
o Clinical manifestations: loss of the pinch mechanism between the thumb and index finger, ability to pronate forearm, and the ability to flex the thumb, index, and middle fingers.
- Requires open reduction and internal fixation (ORIF) in adults