supinate, v. Physiol.
(ˈs(j)uːpɪneɪt)
[f. L. supīnāt-, pa. ppl. stem of supīnāre, f. supīnus supine a.]
trans. To turn (the hand or fore limb) so that the back of it is downward or backward; also, to turn (the leg) outwards. Opposed to pronate.
| 1831 R. Knox Cloquet's Anat. 322 When the hand is in pronation, this muscle supinates it. 1836–9 Todd's Cycl. Anat. II. 73/2 The hand was supinated. 1849–52 Ibid. IV. 1517/1 The patient is unwilling to attempt to pronate or supinate his hand. 1855 Holden Hum. Osteol. (1878) 152 The biceps can supinate, as well as bend the fore arm. |
______________________________
Add: b. intr. Of a limb, esp. the hand or forearm: to undergo supination. Of a person: to supinate the foot while running, etc.
| 1909 in Webster. 1984 Which? June 274/1 A few runners don't pronate at all—they supinate instead, landing flat or on the outside edge of the feet and rolling outwards. |
Hence ˈsupinated ppl. a.
| 1935 D. J. Morton Human Foot xi. 94 A supinated position of the foot. 1990 Equine Vet. Jrnl. XXII. 107/1 The supinated mediolateral view occasionally allowed better definition of the cartilage surfaces. |