Muscles of the brachium/elbow

Question 1

biceps brachii long head proximal attachment

Answer 1

supraglenoid tubercle

Question 2

biceps brachii long head distal attachment

Answer 2

radial tuberosity

Question 3

biceps brachii long head actions (at elbow joint)

Answer 3

flexion

Question 4

biceps brachii long head actions (at radioulnar joint)

Answer 4

supination

Question 5

biceps brachii long head innervations

Answer 5

musculocutaneous nerve (C5,C6,C7)

Question 6

biceps brachii short head proximal attachment

Answer 6

coracoid process

Question 7

biceps brachii short head distal attachment

Answer 7

radial tuberosity

Question 8

biceps brachii short head actions (at GH joint)

Answer 8

stabilization, resists dislocation

Question 9

biceps brachii short head actions (at elbow joint)

Answer 9

flexion

Question 10

biceps brachii short head actions (at radioulnar joint)

Answer 10

supination

Question 11

biceps brachii short head innervation

Answer 11

musculocutaneous (C5,C6,C7)

Question 12

coracobrachialis proximal attachment

Answer 12

coracoid process

Question 13

coracobrachialis distal attachment

Answer 13

midshaft of humerus

Question 14

coracobrachialis actions

Answer 14

flexion, ADD, IR at GH joint (same as pec major)

Question 15

coracobrachialis innervations

Answer 15

musculocutaneous (C5,C6,C7)

Question 16

brachialis proximal attachment

Answer 16

midshaft of humerus

Question 17

brachialis distal attachment

Answer 17

coronoid process and ulnar tuberosity

Question 18

brachialis actions

Answer 18

elbow flexion (agonist)

Question 19

brachialis innervations

Answer 19

musculocutaneous (C5,C6) and radial (C5,C7)

Question 20

triceps brachii long head proximal attachment

Answer 20

infraglenoid tubercle

Question 21

triceps brachii long head distal attachment

Answer 21

olecranon

Question 22

triceps brachii long head actions (at GH joint)

Answer 22

stabilization (resists dislocation of humerus)

Question 23

triceps brachii long head actions (at elbow joint)

Answer 23

extension (triceps = agonist of forearm extension)

Question 24

triceps brachii long head innervations

Answer 24

radial (C6,C7,C8)

Question 25

triceps brachii lateral head proximal attachment

Answer 25

posterior humerus (superior to radial groove)

Question 26

triceps brachii lateral head distal attachment

Answer 26

olecranon

Question 27

triceps brachii lateral head actions

Answer 27

elbow extension (triceps = agonist of forearm extension)

Question 28

triceps brachii lateral head innervations

Answer 28

radial (C6,C7,C8)

Question 29

triceps brachii medial head proximal attachment

Answer 29

posterior humerus (inferior to radial groove)

Question 30

triceps brachii medial head distal attachment

Answer 30

olecranon

Question 31

triceps brachii medial head actions

Answer 31

elbow extension (triceps = agonist of forearm extension)

Question 32

triceps brachii medial head innervations

Answer 32

radial (C6,C7,C8)

Question 33

anconeus proximal attachment

Answer 33

lateral epicondyle

Question 34

anconeus distal attachment

Answer 34

lateral olecranon

Question 35

anconeus actions

Answer 35

stabilization and weak extension of the elbow joint

Question 36

anconeus innervations

Answer 36

radial (C7,C8,T1)