Opponens Pollicis


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 Opposer

Details

Joint:Carpometacarpal
Bone:Metacarpals
Origin:Flexor retinaculum and the tubercles of the trapezium and scaphoid bones.
Insertion:Entire length of the radial side of the first metacarpal bone.