Muscles in the forearm that act on the digits Flashcards
Flexor digitorum superficialis
Location- Anterior compartment, more deeply placed
Action- Flexes hand and middle phalanges of fingers 2-5
Flexor digitorum profundus
Location- deep in anterior compartmment of
Action- Flexes distal interphalangeal joints
Flexor pollicis longus
Location- Deep, anterior on forearm
Action- Flexes distal phalanx of thumb
Extensor Digitorum
Location-superficial posterior on forearm, medial to extensor carpi radialis brevis
Action- prime mover of finger extension
Extensor pollicis longus and brevis
Location-Deep posterior on forearm, paired
Action-Extends thumbb
Extensor digiti minimi
Location: Deep posterior compartment of forearm
Action:Extends 5th digit
Extensor Indicis
Location- Tiny muscle arising close to wrist
Action-Extends index finger
