Flexor Digitorum Superficialis

Region: Forearm & Hand Muscles · All forearm & hand muscles

Flexor Digitorum Superficialis at a glance

OriginMedial epicondyle of the humerus, coronoid process and front of the radius
InsertionSides of the middle phalanges of the four fingers (its tendon splits to let the deep tendon through)
ActionsBends the fingers at the middle joints (PIP); Helps bend the fingers at the knuckles and the wrist
Nerve supplyMedian nerve (C8–T1)

◆ Good to know

Each of its tendons splits (Camper's chiasm) so the profundus tendon can pass through to the fingertip.

Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.