M. Extensor Pollicis Longus
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Insertion
Base distal P pollicis
Classification
Deep post. extensor
Trajectory
Down + out Tendon --> 3rd compartment extensors --> over-crosses radial extensors + radial artery
Innervation
N. Radial
Origin
Post. surface ulna + interosseous mm. (beneath abductor pollicis longus)
Fonction
Thumb: extension + retropulsion (only one) Hand: dorsal flexion