myostaticadj.
/ˌmʌɪə(ʊ)ˈstatɪk/, U.S. /ˌmaɪoʊˈstædɪk/ Medicine and Physiology.
Designating or relating to the permanent shortening of a muscle, esp. one which has been immobilized for a long period.
ΚΠ
1928 Jrnl. Neurol. & Psychopathol. 8 305 By myostatic contracture we mean to designate a condition of permanent shortening in resting muscle which is maintained in the entire absence of nerve pulses, the muscle having acquired, usually as a result of prolonged immobility, a new and shorter resting length.
1988 Brain 111 405 These patients showed both motor and sensory deficit and early myostatic areflexia.
1994 B. A. Kakulas & B. J. Cooper in J. Walton et al. Disorders Voluntary Muscle (ed. 6) xii. 439/2 Myostatic contracture is a phenomenon closely associated with disuse... The reduced length is due to the loss of sarcomeres from the muscle fibres.
This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).
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adj.1928