Arm Muscles. 440 -

Question 0

Cubital fossa boundaries

Answer 0

Superiorly - an imaginary line connecting the medial and lateral epicondyles
Medially- the pronator teres
Laterally- the brachioradialis

Question 1

Transverse humeral ligament

Answer 1

Passes from the lesser to the greater tubercle of humerus and converts the intertubercular groove into a canal for the tendon of the long head of the biceps

Question 2

The contents of the cubital fossa

Answer 2

brachial artery
Bicep brachii tendon
Median nerve
Radial nerve, dividing into superficial and deep branches

Question 3

Cubital fossa roof

Answer 3

Roof- brachial and antebrachial(deep) fascia

reinforced by the bicipitalvaponeurosis, subcutaneous tissue, and skin

Question 4

Cubital fossa floor

Answer 4

Floor- brachialis and supinator muscles

Question 5

Biceps brachii (short head) proximal attachment

Answer 5

Tip of coracoid process of scapula

Question 6

Biceps brachii(long head) proximal attachment

Answer 6

Supraglenoid tubercle of scapula

Question 7

Biceps brachii innervation

Answer 7

Musculocutaneous nerve (c5,c6)

Question 8

Bicep brachii action

Answer 8

Supinates forearm
Flexes forearm when already supinated
Flexes arm

Question 9

Brachialis proximal attachment

Answer 9

Distal half of the anterior Surface of the humerus

Question 10

Brachialis distal attachment

Answer 10

Ulnar tuberosity and coronoid process

Question 11

Brachialis innervation

Answer 11

Musculocutaneous nerve(c5 c6)

Question 12

Brachialis action

Answer 12

Flexes forearm in all positions

Question 13

Coracobrachialis proximal attachment

Answer 13

Tip of the coracoid process of scapula

Question 14

Coracobrachialis distal attachment

Answer 14

Middle third of medial surface of humerus

Question 15

Cocacobrachialis innervation

Answer 15

Musculocutaneous nerve (c5,c6,c7)

Question 16

Coracobrachialis action

Answer 16

Helps flex and adduct arm

Question 17

Biceps brachii distal attachment

Answer 17

Radial tuberosity

Fascia of forearm via bicipital aponeurosis

Question 18

Triceps brachii (long head) proximal attachment

Answer 18

Infraglenoid tubercle of scapula

Question 19

Triceps brachii (lateral head) proximal attachment

Answer 19

Posterior surface of humerus, superior to radial groove

Question 20

Triceps brachii (medial head) proximal attachment

Answer 20

Posterior surface of humerus, inferior to radial groove

Question 21

Triceps brachii distal attachment

Answer 21

Proximal end of olecranon of ulna

Fascia of forearm

Question 22

Triceps brachii innervation

Answer 22

Radial nerve (c6,c7,c8) will keep your triceps great

Question 23

Triceps brachii action

Answer 23

Extends forearm

During abduction long head resists dislocation of humerus

Question 24

Anconeus proximal attachment

Answer 24

Lateral epicondyle of humerus

Question 25

Anconeus distal attachment

Answer 25

Lateral surface of olecranon and superior part of posterior surface of ulna

Question 26

Anconeus innervation

Answer 26

Radial nerve (c7,c8,t1)

Question 27

Anconeus action

Answer 27

Assist triceps in extending forearm; stabilizes elbow joint; abducts ulna during pronation