Cat Anatomy - Muscles - Deltoid - Spinodeltoid

Spinodeltoid

A stout and short muscle lying posterior to the acromiodeltoid. It lies along the lower border of the scapula, and it passes through the upper arm, across the upper end of muscles of the upper arm. It originates at the spine of the scapula and inserts at the deltoid ridge. Its action is to raise and rotate the humerus outward.

Read more about this topic:  Cat Anatomy, Muscles, Deltoid