Uberon definition : The subscapularis is a large triangular muscle which fills the subscapular fossa and
inserts into the lesser tubercle of the humerus and the front of the capsule of the
shoulder-joint. [WP,unvetted].;
The subscapularis is a large triangular muscle which fills the subscapular fossa and
inserts into the lesser tubercle of the humerus and the front of the capsule of the
shoulder-joint. [WP,unvetted].