Article: New physiology research from Ball State University outlined.(Report)

Data detailed in 'Human vastus lateralis and soleus muscles display divergent cellular contractile properties' have been presented. "The purpose of this study was to investigate potential differences in single-fiber contractile physiology of fibers with the same myosin heavy chain isoform (MHC I and MHC IIa) originating from different muscles. Vastus lateralis (VL) and soleus biopsies were obtained from 27 recreationally active females (31 [+ or -]1 yr, 59 [+ or -]1 kg)," scientists writing in the American Journal of Physiology - Regulatory, Integrative and Comparative Physiology report (see also Physiology).

"A total of 943 single fibers (MHC I=562; MHC IIa=301) ...

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