Axillary Cavity Now

: Formed by the axillary fascia and the skin of the armpit.

The axilla is defined by several muscular and skeletal landmarks that shift shape with shoulder movement: axillary cavity

: The top of the pyramid, formed by the first rib , the scapula , and the clavicle . It connects the axilla to the posterior triangle of the neck. : Formed by the axillary fascia and the skin of the armpit

: Primarily composed of the pectoralis major and pectoralis minor muscles. formed by the first rib