Abstract
Mammalian muscles are composed of fibers with different contractile and metabolic properties. Although various systems of classification have been proposed for the different fiber types (Close 1972; Saltin and Gollnick 1983), one that has been used extensively identifies the fibers as either slow-twitch-oxidative (SO), fast-twitch-oxidative-glycolytic (FOG), or fast-twitch-glycolytic (FG) (Peter et al. 1972). The most common method used for identifying the fibers is to histochemically analyze a mitochondrial oxidative enzyme and myofibrillar adenosine triphosphatase activities in muscle cross-sections. This terminology is convenient because the primary physiological and metabolic properties of the fibers are incorporated in the nomenclature. Although the two systems are not completely interconvertible (Nemeth et al. 1979), SO, FOG, and FG fibers are generally the same as those classified as type I, type IIa, and type IIb, respectively
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© 1985 Springer-Verlag Berlin Heidelberg
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Armstrong, R.B., Laughlin, M.H. (1985). Muscle Function During Locomotion in Mammals. In: Gilles, R. (eds) Circulation, Respiration, and Metabolism. Proceedings in Life Sciences. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-70610-3_4
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DOI: https://doi.org/10.1007/978-3-642-70610-3_4
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-70612-7
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