supinatoextensoradj.
/ˌs(j)uːpᵻneɪtəʊɛkˈstɛnsə/, U.S. /ˌsupəˌneɪdoʊɛkˈstɛnsər/ Anatomy and Zoology. Now rare.
Designating the supinator and extensor muscles of a limb collectively; of or relating to these muscles. Cf. pronatoflexor adj.
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the world > life > the body > structural parts > muscle > muscles of specific parts > [adjective] > muscles of limbs
pronatoflexor1872
supinatoextensor1872
1872 G. M. Humphry Observ. Myology 28 The muscles on the dorsal aspect of the leg and foot form a supinato-extensor mass.
1872 G. M. Humphry Observ. Myology 169 The fibres on the dorsal aspect, having a supinato-extensor action, take a similar direction.
1899 Lancet 14 Oct. 1013/2 This action induced by the supinato-extensor muscles tends to turn the sole upwards and outwards.
1917 Amer. Jrnl. Anat. 22 404 In some reptilia and amphibia these muscles are in a common supinato-extensor mass.
1987 E. B. Kaplan & J. M. Hunter in J. M. Hunter et al. Tendon Surg. Hand iii. 10/2 The supinatoextensor mass leads to the development of the extensor muscles of the forearm.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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adj.1872