wiry

1 a archaic :  made of wire b :  resembling wire especially in form and flexibility <the wiry coat of the Irish terrier> <wiry stems> c of sound :  produced by or suggestive of the vibration of wire <the violinist … often let his tone go nasal and wiry — D. J. Henahan>

2 :  being lean, supple, and vigorous :  sinewy <the wiry figure of a long-distance runner — Phoenix Flame>