| 释义 |
▪ I. ˈpronate, ppl. a. rare.
[ad. late L. prōnāt-us, pa. pple. of prōnāre: see next.]
Bent into a prone position; bent forward and downward.
1853Kane Grinnell Exp. vi. (1856) 47 Such turf, where the tree growths of more favored regions have become pronate and vine-like. 1938S. Beckett Murphy ii. 24 He raised his left hand..and seated it pronate on the crown of his skull.
▪ II. pronate, v. Physiol.|ˈprəʊneɪt|
[f. late L. prōnāt-, ppl. stem of prōnāre to bend forward, f. prōn-us prone a.]
trans. To render prone; to put (the hand, or the fore limb) into the prone position; to turn the palm downwards: see next. Opp. to supinate.
1836–9Todd's Cycl. Anat. II. 786/1 The forearm and hand were rigidly pronated. 1849–52Ibid. IV. 1517/1 The patient is unwilling to attempt to pronate or supinate his hand. 1875Sir W. Turner in Encycl. Brit. I. 832/1 The range of movement at the radio-ulnar joints enables us..to pronate the hand and fore-arm by throwing the radius across the ulna, so as to make the thumb the innermost digit.
Add:b. intr. Of a limb, esp. the forearm or (in running) the foot: to undergo pronation. Of a person: to pronate a foot (while running, etc.).
1912A. H. Tubby Deformities (ed. 2) I. iii. xiv. 674 The readiness to pronate and the degree of pronation is a measure of the weakness of a feeble foot. 1950Morehouse & Cooper Kinesiology iv. 99 Exceptional instances in which feet do not pronate have been reported. 1984Which? June 274/1 It's perfectly possible to pronate on one foot and supinate on the other! 1986Sci. Amer. Mar. 94/3 Soft materials allow the foot to shift and to pronate excessively. This kind of movement is thought to be the cause of some knee injuries.
Hence ˈpronating vbl. n. and ppl. a.
1890W. James Princ. Psychol. ii. xx. 161 Pronating movements..are frequently indulged in when the back of the fore-arm feels an object against it. 1978G. A. Sheehan Running & Being xi. 158 The pronating or flattening foot sets up stresses and torques. |