(skap'yŭ-lă' )

[L. scapula, shoulder blade]

The large, flat, triangular bone that forms the posterior part of the shoulder. It articulates with the clavicle and the humerus. SYN: shoulder blade.

SEE: illus. ; triceps .

tipped s.A condition in which the inferior angle of the scapula is prominent, usually the result of faulty posture and a tight pectoralis minor muscle. Tipping is a normal motion when a person reaches with the hand behind the back.

winged s.A condition in which the medial border of the scapula is prominent, usually the result of paralysis of the serratus anterior or trapezius muscles.