Key result
Garter snake transversus abdominis muscle contains three principal metabolic fiber types (fast-twitch glycolytic, fast-twitch oxidative-glycolytic, and slow-twitch oxidative) based on enzyme assays.
Population
Garter snake transversus abdominis muscle fibers
Design
Preclinical
Authors
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Snake fiber enzyme profiles warrant caution extrapolating to mammals; leaves open conserved fiber-type definitions across vertebrates.
Snake transversus abdominis muscle fibers can be classified into three metabolic types based on enzyme activity, which correlate with contraction speed and resemble mammalian fiber types.
Wilkinson et al. (1989) studied this question. Garter snake transversus abdominis muscle contains three principal metabolic fiber types (fast-twitch glycolytic, fast-twitch oxidative-glycolytic, and slow-twitch oxidative) based on enzyme assays.
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