This cat illustrates the three pectoralis muscles: the pectoantebrachialis, the pectoralis major, and the pectoralis minor. One way to find the pectoantebrachialis is to stretch the forelimbs of the cat which will reveal the bordering fascia. This muscles goes straight across the chest and to the forelimbs. …
Dissected cat shows the main muscles of the thoracic region: the pectoantebrachialis, pectoralis major, pectoralis minor and the xiphihumeralis.
The pectoralis muscles are divided into three sections: pectoantebrachialis, pectoralis major, pectoralis minor. The xiphihumeralis is named for its connection between the humerus and the xiphoid process of the sternum.