anterior compartment of forearm

Question 1

pronator teres

Answer 1

O: humeral head: medial epicondyle via common flexor tendon
ulnar head: coronoid process
I: middle shaft of radius lateral surface
A: pronation
I: median

Question 2

flexor carpi radialis

Answer 2

O: medial epicondyle of humerus via common flexor tendon
I: bases of metacarpals 2-3, palmar side
A: wrist flexion/radial deviation
I: median

Question 3

palmaris longus

Answer 3

O: medial epicondyle of humerus via common flexor tendon
I: palmar aponeurosis/flexor retinaculum
A: wrist flexion
I: median

Question 4

flexor carpi ulnaris

Answer 4

O: humeral head: medial epicondyle via common flexor tendon
ulnar head: proximal posterior ulna
I: pisiform and hamate/base of 5th metacarpal
A: wrist flexion/ulnar deviation
I: ulnar

Question 5

flexor digitorum superficialis

Answer 5

O: humeral-ulnar head: medial epicondyle via common flexor tendon and coronoid process of ulna
radial head: oblique line
I: splits to both sides of the base of each middle phalanx of digits 2-5
A: finger flexion/wrist flexion
I: median

Question 6

flexor digitorum profundus

Answer 6

O: anterior meial surface of proximal half of ulna
I: distal phalanges of digits 2-5
A” finger flexion/wrist flexion
I: ulnar (medial) and median (lateral)

Question 7

flexor pollicis longus

Answer 7

O: middle of anterior radius and interosseous membrane
I: base of the distal phalanx of pollex, palmar surface
A: flexion of pollex/MCP CMC and wrist flexion
I: Median

Question 8

pronator quadratus

Answer 8

O: distal 1/4 anteromedial surface of ulna
I: distal 1/4 anterolateral surface of radius
A: pronation
I: median