«When a child's muscles are already withering away from something like Duchenne muscular dystrophy, it would not be ethical to take muscle samples from them and do further damage. (sciencedaily.com)
S̆irca et al. (1980) took muscle samples from 56 cases of patients with osteoarthritis of the hip and from 32 cadavers of subjects who had died suddenly (aged 45 — 78 years). (strengthandconditioningresearch.com)
Making use of ultra-sensitive mass spectrometry methods, researchers took muscle samples after the 6 weeks and could establish how much of the muscle and its component pieces were new. (ahealthblog.com)