Flexor digitorum superficialis
Musculus flexor digitorum superficialis
MuscularSuperficial musclesArmLeft and right
View left in 3D View right in 3D
- What it is
- Broad intermediate-layer flexor from the medial epicondyle, coronoid process and anterior radius; its four tendons pass through the carpal tunnel and split to insert on the middle phalanges of the fingers.
- Function
- Flexes the proximal interphalangeal and knuckle joints of the fingers and helps flex the wrist.
- Size
- About 25 cm to the palm.
- Clinical note
- Tested by holding the other fingers straight and bending one finger at its middle joint. The tendons are shown only as far as the knuckles.