Upper Arm Muscles - Exam 4

Question 1

muscles of upper arm

Answer 1

biceps brachii (short and long head)
coracobrachialis
brachialis
triceps brachii (long, lateral, and medial head)
anconeus

Question 2

biceps brachii short head origin

Answer 2

scapula coracoid process

Question 3

biceps brachii short head insertion

Answer 3

tuberosity of radius
forearm fascia

Question 4

biceps brachii short head innervation

Answer 4

musculocutaneous

Question 5

biceps brachii short head actions

Answer 5

supinates forearm
flexes forearm
resists shoulder dislocation

Question 6

biceps brachii long head origin

Answer 6

scapula supraglenoid tubercle

Question 7

biceps brachii long head insertion

Answer 7

tuberosity of radius
forearm fascia

Question 8

biceps brachii long head innervation

Answer 8

musculocutaneous

Question 9

biceps brachii long head actions

Answer 9

supinates forearm
flexes forearm

Question 10

coracobrachialis origin

Answer 10

scapula coracoid process

Question 11

coracobrachialis insertion

Answer 11

medial surface of humerus

Question 12

coracobrachialis innervation

Answer 12

musculocutaneous

Question 13

coracobrachialis actions

Answer 13

adduct arm
flexes arm
resists shoulder dislocation

Question 14

brachialis origin

Answer 14

distal anterior humerus

Question 15

brachialis insertion

Answer 15

ulna coronoid process and tuberosity

Question 16

brachialis innervation

Answer 16

musculocutaneous

Question 17

brachialis action

Answer 17

flexes forearm

Question 18

triceps brachii long head origin

Answer 18

scapula infraglenoid tubercle

Question 19

triceps brachii long head insertion

Answer 19

ulna olecranon
forearm fascia

Question 20

triceps brachii long head innervation

Answer 20

radial

Question 21

triceps brachii long head actions

Answer 21

forearm extensor
resists humerus dislocation

Question 22

triceps brachii lateral head origin

Answer 22

posterior humerus superior to radial groove

Question 23

triceps brachii lateral head insertion

Answer 23

ulna olecranon
forearm fascia

Question 24

triceps brachii lateral head innervation

Answer 24

radial

Question 25

triceps brachii lateral head action

Answer 25

forearm extensor

Question 26

triceps brachii medial head origin

Answer 26

posterior humerus inferior to radial groove

Question 27

triceps brachii medial head insertion

Answer 27

ulna olecranon forearm fascia

Question 28

triceps brachii medial head innervation

Answer 28

radial

Question 29

triceps brachii medial head action

Answer 29

forearm extensor

Question 30

anconeus origin

Answer 30

lateral epicondyle of humerus

Question 31

anconeus insertion

Answer 31

ulna olecranon and posterior surface

Question 32

anconeus innervation

Answer 32

radial

Question 33

anconeus actions

Answer 33

forearm extensor stabilizes elbow