Intrinsic Muscles of the Thoracic Limb

Question 1

Origin of the deltoideus

Answer 1

The spine and acromial process of the scapula

Question 2

Insertion of the deltoideus

Answer 2

The deltoid tuberosity

Question 3

Origin of the infraspinatus

Answer 3

Infraspinous fossa

Question 4

Insertion of the infraspinatus

Answer 4

A small, circumscribed area on the lateral side of the greater tubercle of the Humerus

Question 5

Origin of the teres minor

Answer 5

The infraglenoid tubercle and distal 3rd of the caudal border of the scapula

Question 6

Insertion of the teres minor

Answer 6

Teres minor tuberosity of the humerus

Question 7

Origin of the supraspinatus

Answer 7

The supraspinous fossa

Question 8

Insertion of the supraspinatus

Answer 8

The greater tubercle of the humerus, by a thick tendon

Question 9

Origin of the subscapularis

Answer 9

The subscapular fossa

Question 10

Insertion of the subscapularis

Answer 10

The lesser tubercle of the humerus

Question 11

Origin of the teres major

Answer 11

The caudal angle and adjacent caudal border of the scapula; the caudal surface of the subscapularis

Question 12

Insertion of the teres major

Answer 12

The teres major tuberosity of the humerus

Question 13

Origin of the coracobrachialis

Answer 13

The coracoid process of the scapula

Question 14

Insertion of the coracobrachialis

Answer 14

The crest of the lesser tubercle of the humerus proximal to the teres major tuberosity

Question 15

Origin of the tensor fasciae antebrachii

Answer 15

The fascia covering the lateral side of the latissimus dorse

Question 16

Insertion of the tensor fasciae antebrachii

Answer 16

The olecranon

Question 17

Origin of the long head of the triceps brachii

Answer 17

The caudal border of the scapula

Question 18

Insertion of the long head of the triceps brachii

Answer 18

The olecranon tuber

Question 19

Origin of the lateral head of the triceps brachii

Answer 19

The tricipital line of the humerus

Question 20

Insertion of the lateral head of the triceps brachii

Answer 20

The olecranon tuber

Question 21

Origin of the accessory head of the triceps brachii

Answer 21

The neck of the humerus

Question 22

Insertion of the accessory head of the triceps brachii

Answer 22

The olecranon tuber

Question 23

Origin of the medial head of the triceps brachii

Answer 23

The crest of the lesser tubercle near the teres major tuberosity

Question 24

Insertion of the medial head of the triceps brachii

Answer 24

The olecranon

Question 25

Origin of the anconeus

Answer 25

The lateral supracondylar crest and the lateral and medial epicondyles of the humerus

Question 26

Insertion of the anconeus

Answer 26

The lateral surface of the proximal end of the ulna (the olecranon)

Question 27

Origin of the biceps brachii

Answer 27

The supraglenoid tubercle

Question 28

Insertion of the biceps brachii

Answer 28

The ulnar and radial tuberosities

Question 29

Origin of the brachialis

Answer 29

The proximal 3rd of the lateral surface of the humerus

Question 30

Insertion of the brachialis

Answer 30

The ulnar and radial tuberosities