wrist/hand

Question 1

flexor carpi radialis origin, insertion, 1 action

Answer 1

origin: humerus: medial epicondyle
insertion: metacarpals
action: flex wrist

Question 2

flexor carpi ulnaris origin, insertion, 1 action

Answer 2

origin: humerus: medial epicondyle
insertion: carpals and metacarpals
action: flex wrist

Question 3

flexor digitorum superficialis origin, insertion, 2 action

Answer 3

origin: humerus: medial epicondyle
insertion: middle phalanges
action 1: flex wrist
action 2: flex fingers

Question 4

palmaris longus origin, insertion, 1 action

Answer 4

origin: humerus: medial epicondyle
insertion: flexor retinaculum and palmar aponeurosis
action: anchors palmar region

Question 5

flexor digitorum profundus origin, insertion, 2 actions

Answer 5

origin: ulna
insertion: distal phalanges
action 1: flex wrist
action 2: flex fingers

Question 6

flexor pollicis longus origin, insertion, 1 action

Answer 6

origin: radius
insertion: distal phalanx I
action: flex thumb

Question 7

extensor carpi radialis longus origin, insertion, 1 action

Answer 7

origin: humerus: lateral epicondylar ridge
insertion: metacarpal II
action: extend wrist

Question 8

extensor carpi radialis brevis origin, insertion, 1 action

Answer 8

origin: humerus: lateral epicondyle
insertion: metacarpal III
action: extend wrist

Question 9

extensor digitorum origin, insertion, 2 actions

Answer 9

origin: humerus: lateral epicondyle
insertion: phalanges II-V
action 1: extend wrist
action 2: extend fingers

Question 10

extensor digiti minimi origin, insertion, 2 actions

Answer 10

origin: humerus: lateral epicondyle
insertion: proximal phalanx I
action 1: extend wrist
action 2: extend little finger

Question 11

extensor carpi ulnaris origin, insertion, 1 action

Answer 11

origin: humerus: lateral epicondyle
insertion: metacarpal V
action: extend wrist

Question 12

abductor pollicis longus origin, insertion, 2 actions

Answer 12

origin: radius and ulna
insertion: metacarpal I
action 1: extend thumb
action 2: abduct thumb

Question 13

extensor pollicis brevis origin, insertion, 1 action

Answer 13

origin: radius
insertion: proximal phalanx I
action: extend thumb

Question 14

extensor pollicis longus origin, insertion, 2 actions

Answer 14

origin: ulna
insertion: distal phalanx I
action 1: extend thumb
action 2: adduct thumb

Question 15

extensor indicis origin, insertion, 2 actions

Answer 15

origin: ulna
insertion: middle, distal phalanges II
action 1: extend wrist
action 2: extend index finger