| 释义 |
supination|s(j)uːpɪˈneɪʃən|
[ad. L. supīnātio, -ōnem, n. of action f. supīnāre: see prec. and -ation. Cf. F. supination, It. supinazione, etc.
There is no evidence in support of Johnson's def. ‘the act of lying with the face upward’.]
Physiol. The action of turning the hand or fore limb so that the back of it is downward or backward; the position of a limb so turned. Opposed to pronation. Also attrib.
1666J. Smith Old Age (1676) 62 They [sc. the muscles] can perform.. flexion, extension; pronation, supination, the Tonick motion, circumgiration. 1745Phil. Trans. XLIII. 296 A gummatous Swelling upon the upper Head of the Radius on the right Arm, checking the Motion of this Bone in Pronation and Supination. 1835–6Todd's Cycl. Anat. I. 286/1 Bones..so articulated together..as to admit of scarcely any degree of..supination. 1872Huxley Phys. vii. 171 When the palm is turned upwards the attitude is called supination. 1887D. Maguire Art Massage iv. (ed. 4) 59 He [sc. the masseur] does not use pronation or supination movements till after he has massed the forearm and the articulations of the elbow.
b. Fencing. (see quots.)
1805A. Gordon Treat. Sci. Defence 17 Then project the thrust, rolling your hand still more in quarte, or supination. 1890A. Hutton Fixed Bayonets 152 Gloss., Supination, the position of the sword-hand with the nails upwards. |