16 January 2011
Last Updated on 16 January 2011
Paul Spencer-Wimpenny
Skeletal muscle fibers are not all the same.
Traditionally, they were categorised depending on their varying color.
Red Fibers:
Those containing high levels of myoglobin and oxygen storing proteins had a red appearance. Red muscle fibers tend to have more mitochondria and blood vessels than the white ones.
White Fibers:
Those with a low content had a white appearance.
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