anterior deep forearm muscles Flashcards
1
Q
innervation of anterior deep compartment and exception
A
median
except flexor digitorum profundus - lateral (2,3) is median medial (4,5) is ulnar
2
Q
flexor digitorum profundus origin and insertion
A
o - anterior medial ulna
i - distal phalanges 2-5
3
Q
flexor digitorum profundus action
A
flex MCP, DIP, PIP 2-5
flex radiocarpal joint
4
Q
flexor pollicis longus origin and insertion
A
o - anterior radius and interosseous membrane
i - base of distal phalanx of thumb
5
Q
flexor pollicis longus action
A
flex IP, MCP, CMC of thumb
weak radiocarpal flexion
6
Q
pronator quadratus origin and insertion
A
o - distal ulnar shaft
i - distal radial shaft
7
Q
pronator quadratus action
A
pronate forearm at inferior radioulnar joint - always works with pronator teres
