Abductor Pollicis Brevis


Summary

Location:In the palm of the hand, forming the thenar eminence, thumb ball.

Information

Group:Wrist and Hand
Subgroup:Thenar Muscles
Side(s) of body:Front
Function/Action:Thumb Abductor

Details

Joint:Carpometacarpal
Bone:Metacarpals
Origin:Transverse carpal ligament and the proximal part of the flexor retinaculum at the base of the hand.
Insertion:Radial side of the base of the proximal phalanx of the thumb.