Did you know...
that you can add questions of your own to the question bank? Click here to try.

Flexor Digitorum Superficialis

Last updated on Monday, April 13 2009 by blondarb

peer review status unavailable
rating unavailable

Muscle Name: flexor digitorum superficialis

AKA:  Flexor digitorum sublimis

Abbreviation:  FDS

Spinal Nerve Roots:
    C7
    C8
    T1

Brachial Plexus Trunks:
    middle trunk
    lower trunk

Brachial Plexus Cords:
    medial cord
    lateral cord

Named Nerves:
    median nerve

Proximal Attachment:  median epicondyle of the humerus (common flexor tendon) as well as parts of the radius and ulna.

Distal Attachment:  Phalanges

Action: Flexor of fingers (primarily at proximal interphalangeal joints)

Needle Insertion:  In the supinated forearm, the needle is inserted medial to the midpoint between midwrist and the biceps tendon.

Activation for EMG:  Flex the fingers at the proximal interphalangeal joints (PIPs)

Pitfalls:  

Notes: