Upper Limb

Question 1

Biceps brachii

Answer 1

Flexion & supination of forearm

O: long head = glenoid tubercle
short head = coracoid process

I: radial tuberosity

Question 2

Brachialis

Answer 2

Flexion of forearm

O: distal anterior surface of humerus

I: coronoid process of ulna

Question 3

Triceps brachii

Answer 3

Extension of forearm

O: long head = inferior to glenoid cavity
lateral & medial heads = posterior surface of humerus

I: olecranon process

Question 4

Brachioradialis

Answer 4

Flexion of forearm

O: lateral boarder of distal end of humerus

I: base of radial styloid process

Question 5

Pronator teres

Answer 5

Pronation of forearm

O: medial epicondyle & coronoid process

I: mid-lateral surface of radius

Question 6

Flexor carpi radialis

Answer 6

Flexion & abduction of hand

O: medial epicondyle

I: base of 2nd & 3rd metacarpals

Question 7

Palmaris longus

Answer 7

Flexion of hand

O: medial epicondyle

I: deep fascia of palm

Question 8

Flexor carpi ulnaris

Answer 8

Flexion & adduction of hand

O: medial epicondyle & olecranon process

I: some carpals & base of 5th metacarpal

Question 9

Flexor digitorum superficialis

Answer 9

Flexion of middle phalanx, proximal phalanx & hand

O: medial epicondyle & coronoid process

I: middle phalanges of each finger

Question 10

Extensor carpi radialis

Answer 10

Extension & abduction of hand

O: lateral supraconylar ridge of humerus

I: base of 2nd metacarpal

Question 11

Extensor digitorum

Answer 11

Extension of fingers & hand

O: lateral epicondyle

I: distal & middle phalanges

Question 12

Extensor carpi ulnaris

Answer 12

Extension & adduction of hand

O: lateral epicondyle

I: base of 5th metacarpal

Question 13

Abductor pollucis brevis

Answer 13

Abduction of thumb

O: deep fascia of palm & some carpals

I: lateral side of proximal phalanx of thumb

Question 14

Flexor pollucis brevis

Answer 14

Flexion of thumb

O: deep fascia of palm & some carpals

I: lateral side of proximal phalanx of thumb