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Red muscle and white muscle are skeletal muscles which perform various functions in the body.

Red muscle and white muscle are skeletal muscles which perform various functions in the body. Red muscles are named so because they are dense with capillaries and are rich in myoglobin and mitochondria – which gives it a characteristic red appearance. On the other hand, white muscles have comparatively less mitochondria and myoglobin, giving the muscles a “whitish” appearance. Read on to explore more differences between the red and white muscle.

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Difference Between White Muscle and Red Muscle Fibers

Red muscles are a type of skeletal muscle which are dense with capillaries and is rich in myoglobin and mitochondria

White muscles are also a type of skeletal muscle, but contains lower amounts of myoglobin and mitochondria

Red muscles have reduced quantities of SR

Can perform aerobic oxidation without accumulating much lactic acid – hence, can contract for long periods of time

Performs anaerobic oxidation and accumulates lactic acid much quicker than red muscles – hence, gets fatigued after short bursts of contraction