Cat Muscles - Chest Muscles

Question 1

Pectoantebrachalis

Answer 1

Origin: Manubrium
Insertion: Flat tendon on fascia of forearm
Action: Draws arm toward chest

Question 2

Pectoralis major

Answer 2

Origin: Sternum; median ventral raphe
Insertion: Pectoral ridge on ventral side of humerus
Action: Draws arm toward chest

Question 3

Pectoralis Minor

Answer 3

Origin: Sternum
Insertion: Ventral side of humerus
Action: Draws arm toward chest

Question 4

Xiphihumeralis

Answer 4

Origin: Xiphoid process of sternum
Insertion: Ventral side of humerus
Action: Draws arm toward chest