Tutorial 6

Question 1

difference between extrinsic and intrinsic muscle of the hand?

Answer 1

The intrinsic muscles of the hand contain the origin and insertions within the carpal and metacarpal bones. The extrinsic muscles of the hand originate outside the hand

Question 2

What are the muscles of the rotator cuff & label

Answer 2

SItS
1. suprasinatus
2. infraspinatus
3. Teres minor
4. Subscapularis

Question 3

muscles that position the pectoral girdle, lable position

1. trapezius
2. levator scapulae
3. subclavius
4. pectoralis minor
5. serratus anterior
6. rhomboid minor
7. rhomboid major

Answer 3

Question 4

Mucles that move the arm & lable its position

1. deltoid
2. supraspinatus
3. subscapularis
4. teres major
5. teres minor
6. infraspinatus
7. coracobrachialis
8. pectoralis major
9. latissimus dorsi

Answer 4

Question 5

Elbow extensors

Answer 5

1. anconeus
2. triceps brachii

Question 6

elbow flexors

Answer 6

1. biceps brachii
2. brachialis
3. brachioradialis

Question 7

muscle of protonation and supination

Answer 7

1. pronator quadratus
2. pronator teres
3. supinator

Question 8

wrist extensors

Answer 8

1. Extensor carpi radialis longus
2. Extensor carpi radialis brevis
3. Extensor carpi ulnaris

Question 9

wrist flexion

Answer 9

1. Flexor carpi radialis
2. Flexor carpi ulnaris
3. Palmaris longus

Question 10

extensors of hand & fingers

1. Extensor digitorum
2. Extensor indicis
3. Extensor digiti minimi
4. Extensor pollicis brevis (thumb)
5. Extensor pollicis longus (thumb)

Answer 10

Question 11

flexors of the hand and fingers

1. flexor digitorum superficialis
2. flexor digitorum profundus
3. flexor pollicis longus

Answer 11

Question 12

Thumb movment muscles

1. adductor pollicis
2. abductor pollicis brevis
3. opponenes pollicis

Answer 12