Origins and Insertions: Arm Muscles

Question 1

What are the 2 origins of the Biceps Brachii?

Answer 1

1. Coracoid process of scapula (short head)

2. Supraglenoid tubercle of scapula (long head)

Question 2

Name the 2 insertions of the Biceps Brachii

Answer 2

1. Tuberosity of the radius

2. Bicipital aponeurosis of the ulna (shaft)

Question 3

Where does the coracoidbrachailis originate?

Answer 3

The coracoid process of the scapula

Question 4

The insertion of the coracobrachialis is where?

Answer 4

the shaft of the humerus

Question 5

The brachialis originates where?

Answer 5

The shaft of the humerus

Question 6

What is the insertion of the Brachialis?

Answer 6

Coranoid process of the ulna

Question 7

What are the 3 heads of the Triceps Brachii, and where do they originate?

Answer 7

1. Infraglenoid tubercle of the scapula (long head)

2. Shaft of the humerus (lateral and medial heads)

Question 8

What two muscles insert at the olecranon process of the ulna?

Answer 8

The triceps brachii and the acroneus

Question 9

Where do the Triceps insert?

Answer 9

The olecranon process of the ulna

Question 10

What is the origin of the Acroneus muscle?

Answer 10

Lateral epicondyle of the humerus

Question 11

Where does the Acroneus insert?

Answer 11

the olecranon process of the ulna