Summary
| Location: | In the palm of the hand, forming the thenar eminence, thumb ball. |
Information
| Group: | Wrist and Hand |
| Subgroup: | Flexor Pollicis, Thenar Muscles |
| Side(s) of body: | Front |
| Function/Action: | Thumb Flexor |
Details
| Joint: | Carpometacarpal |
| Bone: | Metacarpals |
| Origin: | The superficial head originates from the trapezium and the anterior annular ligament. The deep head arises from the trapezoid, capitate, and the base of the second and third metacarpals. |
| Insertion: | Both heads of the FPB merge and insert into the base of the proximal phalanx of the thumb. |