Anat. [mod.L.: see SUB- 1 d and SCAPULAR.] In full subscapularis muscle: A muscle originating in the venter of the scapula and inserted in the lesser tuberosity of the humerus.
1704. J. Harris, Lex. Techn., I. Subscapularis, or Immersus, is a Muscle of the Arm, so named from its Situation.
1733. trans. Winslow’s Anat. (1756), I. 293. The Subscapularis hinders the Head of the Os Humeri from being luxated forward.
1831. R. Knox, trans. Cloquet’s Anat., 124. Fasciculi of the sub-scapularis muscle. Ibid., Anteriorly, where it is rounded, it furnishes points of insertion to the sub-scapularis.
1872. Humphry, Myology, 36. The few fibres of the subscapularis constitute the only appearance of muscle upon the … concave under surface of the coracoids and scapula.
1881. Mivart, Cat, 89. The subscapular fossa … affords attachment to the subscapularis muscle.
