COX-negative fibers

1. Endurance training decreases COX-negative fibers in humans.

   “EA differed from LF and HF by having a higher proportion of type I fibers, 52% more capillaries in relation to fiber area, fewer COX-negative fibers, and less variation in fiber sizes”

   Humansvastus lateralismales

   Skeletal muscle morphology, satellite cells, and oxidative profile in relation to physical function and lifelong endurance training in very old men

   Journal of applied physiology (Bethesda, Md. : 1985)·Dec 22, 2022

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