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Human skeletal muscle is composed of a functional and metabolic continuum of slow (Type I) and fast fibers (IIa and IIx). Hybrid fibers co‐expressing different myosin heavy chains are also… Click to show full abstract
Human skeletal muscle is composed of a functional and metabolic continuum of slow (Type I) and fast fibers (IIa and IIx). Hybrid fibers co‐expressing different myosin heavy chains are also present and seem to be more prominent in aging muscle. Their role is debated; hybrid fibers were reported either in a transitional state, between slow and fast fibers, or as fixed individual entities. This study examined the fate of hybrid fibers with an endurance exercise intervention in an elderly sedentary population.
Keywords:
muscle;
fiber;
alterations exercising;
hybrid fibers;
hybrid fiber;
fiber alterations
Journal Title: Journal of Cachexia, Sarcopenia and Muscle
Year Published: 2019
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Journal Title: Journal of Cachexia, Sarcopenia and Muscle
Year Published: 2019
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!