| supinate | 1. To assume, or to be placed in, a supine (face upward) position. 2. To perform supination of the forearm or of the foot. Origin: L. Supino, pp. -atus, to bend backwards, place on back, fr. Supinus, supine (05 Mar 2000) |
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| supination | <anatomy> The act of assuming the supine position or the state of being supine. Applied to the hand, the act of turning the palm forward (anteriorly) or upward, performed by lateral rotation of the forearm. Applied to the foot, it generally implies movements resulting in raising of the medial margin of the foot, hence of the longitudinal arch. Origin: L. Supinatio (18 Nov 1997) |
| supination reflex | With the arm supinated to 45 |
| supinator | <anatomy, muscle> Origin, lateral epicondyle of humerus radial collateral and anular ligaments, and supinator ridge of ulna; insertion, anterior and lateral surface of radius; action, supinates the forearm; nerve supply, radial (posterior interosseous). Synonym: musculus supinator, musculus supinator radii brevis. (05 Mar 2000) |
| supinator crest | Crest of supinator muscle, the proximal part of the interosseous border of the ulna from which a portion of the supinator muscle takes origin. Synonym: crista musculi supinatoris. (05 Mar 2000) |
| supinator jerk | With the arm supinated to 45 |
| supinator reflex | With the arm supinated to 45 |
| supine | Lying on the back. (12 Dec 1998) |
| supine hypotensive syndrome | <syndrome> In the supine pregnant woman at or near term, maternal hypotension; maternal hypotension is due to obstruction by the gravid uterus of the inferior vena cava with resulting decrease in venous return to the heart; foetal hypoxia is due to maternal hypotension and obstruction of the maternal aorta by the gravid uterus with resulting decrease in placental perfusion. (05 Mar 2000) |
| supine position | The posture of an individual lying face up. (12 Dec 1998) |