Path. [ad. mod.L. subluxātio, -ōnem: see SUB- 22 and LUXATION. Cf. F. subluxation, etc.] A partial dislocation, a sprain.
1688. R. Holme, Armoury, II. xvii. 448/2. Sublaxation [sic], a dislocation, or putting out of joynt.
1846. Miller, Pract. Surg., xxiii. 321. Subluxation forwards is by no means an uncommon result of falls on the palm.
1878. trans. von Ziemssen’s Cycl. Med., XIV. 122. In the shoulder-joint an atonic subluxation often occurs, especially in children.
1893. W. R. Gowers, Man. Dis. Nerv. Syst. (ed. 2), II. 415. The persistent strong flexion may even lead to subluxation.
So Subluxate v., to dislocate slightly, sprain.
1893. W. R. Gowers, Man. Dis. Nerv. Syst. (ed. 2), II. 415. The fingers are … over-extended at the middle joint, which may be subluxated.
