slow-twitch fibers

(redirected from slow-oxidative (SO) fibers)
One of the two main types of skeletal muscle, which contains abundant mitochondria and myoglobin. Red muscle fibres contract and fatigue more slowly than white fibres and generate ATP by aerobic catabolism of glucose and fats, utilizing myoglobin-bound O2
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slow-twitch fi·bers

(slō-twich fī'bĕrz)
Histologically distinct skeletal muscle fibers that generate energy predominantly through the aerobic energy transfer system; are selectively recruited in aerobic activities.
Synonym(s): slow-oxidative (SO) fibers, Type I fibers.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012