Muscle Palpation - Abductor Pollicis Longus 

This is a detailed, step by step, description on how to palpate Abductor Pollicis Longus by Keith Bootsma, RMT.
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Origin:
The Middle of Posterior Surface of the Radius, Ulna and Interosseous Membrane
Insertion:
Base of 1st Metacarpal
Functions:
1- Abduction of 1st Digit @ CMC (Carpometacarpal Joint)
2- Extension of 1st Digit @ CMC (Carpometacarpal Joint)
3- Abduction of the Hand @ the Wrist Joint (Radial Deviation)
Nerve:
Radial Nerve