Muscles (arm)

Question 1

What is the origin of the LONG HEAD of the biceps brachii?

Answer 1

Supraglenoid tubercle of the scapula

Question 2

What is the origin of the SHORT HEAD of the biceps brachii?

Answer 2

Coracoid process of the scapula

Question 3

Where does the long head of the biceps brachii lie in relation to the short head?

Answer 3

Laterally

Question 4

Where does the biceps brachii insert?

Answer 4

Radial tuberocityy

Fascia of the forearm via its apponeurosis

Question 5

What are the actions of the biceps?

Answer 5

Supination of the forearm

Flex the arm at the ELBOW and SHOULDER

Question 6

What is the bicipital aponeurosis?

Answer 6

The aponeurosis of the biceps as it enters the forearm - becomes the roof of the cubital fossa

Question 7

What tendon runs in the bicipital groove?

Answer 7

The tendon of the long head of the biceps

Question 8

What is the origin of the coracobrachialis?

Answer 8

Coracoid process of the scapula

Question 9

What is the insertion of the coracobrachialis?

Answer 9

Midshaft of the humerus (at the level of the deltoid muscle

On the MEDIAN SIDE

Question 10

What is the action of the coracobrachialis?

Answer 10

Flexion of the shoulder

Question 11

How does the coracobrachalis travel from its origin to insertion?

Answer 11

Through the armpit

Question 12

What are the deep muscles of the anterior arm?

Answer 12

Coracobrachialis

Brachialis

Question 13

What is the origin of the brachialis?

Answer 13

Medial and lateral surface of humeral shaft

Question 14

What is the insertion of the brachiallis?

Answer 14

Ulna tuberocity

Question 15

What is the action of the brachialis?

Answer 15

Flexion at the elbow

Question 16

Where does the long head of the triceps brachii originate from?

Answer 16

The infraglenoid tubercle

Question 17

Where does the lateral head of the triceps brachii originate from?

Answer 17

Humerus - superior (above) to the radial groove

Question 18

Where does the medial head of the triceps brachii originate from?

Answer 18

Humerus - inferior (below) to the radial groove

Question 19

Which of the tricep heads are deeper than the others?

Answer 19

Medial head

Question 20

What are the medial and lateral heads split by?

Answer 20

The radial groove (containing the radial nerve)

Question 21

Where do the triceps brachii insert onto?

How?

Answer 21

The anterior of the olecranon of the ulna

Converges into one tendon to do this

Question 22

What is the action of the triceps brachii?

Answer 22

Extend the elbow

Question 23

What is the tricpes brachii innervated by?

Answer 23

The radial nerve (however in some people, long head by the axillary nerve)