Ant. Forearm Muscles

Question 1

Pronator Teres (always working w pronator quadratus)

Answer 1

o: med epicondyle
i: mid-lat surface of radius
a: pronates forearm @ sup radioulnar joint
N: median N

Question 2

Flexor Carpi Radialis

Answer 2

o: medial epicondyle
i: 2nd & 3rd metacarpals
a: flex & assist w radial deviation @ radoiocarpal joint
N: medial N

Question 3

Palmaris Longus

Answer 3

o: med epicondyle
i: flexor retinaculum & palmar aponeurosis
a: weak wrist flexion (RC joint)
N: median N

Question 4

Flexor Carpi Ulnaris

Answer 4

o: medial epicondyle & olecranon
i: pisiform, hamate & 5th metacarpal
a: flexes & assist w/ ulnar deviation @ radiocarpal joint
N: ulnar N

Question 5

Flexor Digitorium Superficialis

Answer 5

o: medial epicondyle, radius & coronoid process
i: middle phalanx 2-5
a: flex MCP & PIP of digits 2-5;
flex radoiocarpal joint
N: median N

Question 6

Flexor Digitorum Profundus

Answer 6

o: anterior medial ulna
i: distal phalanges 2-5
a: flex MCP, PIP, DIP of 2-5 digits
flex radiocarpal joint
N: median N (lat 1/2 of FDP)
ulnar N (medial 1/2 of FDP)

Question 7

Pronator Quadratus

Answer 7

o: distal ulnar shaft
i: distal radial shaft
a: pronates forearm @ inf radioulnar joint
N: median N

Question 8

Flexor Pollicis Longus

Answer 8

o: ant radius & interosseous membrane
i: base of distal phalanx of thumb
a: flex IP, MCP, CMC joints of thumb; wrist flex
N: median N