Muscle Practical 2

Question 1

Supraspinatus

Answer 1

Abducts shoulder

Question 2

Infraspinatus

Answer 2

Laterally rotates shoulder; extends shoulder

Question 3

Teres minor

Answer 3

Laterally rotates shoulder; extends shoulder

Question 4

Teres major

Answer 4

Adducts, extends, and medially rotates shoulder

Question 5

Deltoid

Answer 5

Abducts, flexes, and extends shoulder

Question 6

Serrated anterior

Answer 6

Protracted scapula; depresses scapula; rotates scapula up

Question 7

Pectoralis minor

Answer 7

Depresses scapula; protracts scapula

Question 8

Pectoralis major

Answer 8

Flexes shoulder; adducts shoulder; medially rotates shoulder

Question 9

Subscapularis

Answer 9

Medially rotates shoulder; adducts shoulder

Question 10

Biceps brachi short head

Answer 10

Flexes elbow; supinates forearm
O: coracoid process of scapula
I: radial tuberosity of radius

Question 11

Biceps brachii long head

Answer 11

Flexes elbow; supinates forearm
O: supraglenoid tubercle of scapula
I: radial tuberosity of radius

Question 12

Coracobrachialis

Answer 12

Flexes shoulder; adducts shoulder
O: coracoid process of scapula
I: center of med. diaphysis of humerus

Question 13

Brachialis

Answer 13

Flexes elbow
O: anterior humerus
I: ulnar tuberosity and coroners process of ulna

Question 14

Triceps brachii long head

Answer 14

Extends elbow
O: infraglenoid tubercle of scapula
I: olecranon process of ulna

Question 15

Triceps brachii medial head

Answer 15

Extends elbow
O: lower post. Humerus
I: olecranon process of ulna

Question 16

Triceps brachii lateral head

Answer 16

Extends elbow
O: sup. Post./Lat. humerus
I: olecranon process of ulna

Question 17

Abductor pollicis longus

Answer 17

abducts pollex

Question 18

extensor pollicis brevis

Answer 18

extends pollex

Question 19

extensor pollicis longus

Answer 19

extends pollex

Question 20

extensor indicis

Answer 20

extends digit 2

Question 21

extensor carpi radialis longus

Answer 21

extends wrist and abducts wrist

Question 22

extensor carpi radialis brevis

Answer 22

extends wrist abducts wrist

Question 23

extensor digitorum

Answer 23

extends wrist and extends digits 2-5

Question 24

extensor digiti minimi

Answer 24

extends digit 5

Question 25

extensor carpi ulnaris

Answer 25

extends wrist adducts wrist

Question 26

flexor digitorum superficialis

Answer 26

flexes digits 2-5 flexes wrist

Question 27

flexor digitorum profundus

Answer 27

flexes digits 2-5 flexes wrist

Question 28

flexor pollicis longus

Answer 28

flexes pollex

Question 29

brachioradialis

Answer 29

flexes elbow

Question 30

supinator

Answer 30

supinates forearm

Question 31

pronator teres

Answer 31

pronates forearm

Question 32

flexor carpi radialis

Answer 32

flexes wrist adducts wrist

Question 33

palmaris longus

Answer 33

flexes wrist

Question 34

flexor carpi ulnaris

Answer 34

flexes wrist adducts wrist