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muscle -- to create additional energy.
The body can actually cannibalize
muscle tissue, especially white fiber
"power" muscle in order to fuel
aerobic exercise.
Why would the human body evolve to cannibalize muscle during cardio? Why not just take energy from the food in your stomach (granted that you do have leftover food)?
Skinny People
link to this video says that the body's energy stores are three tiered - Food > Fat > Muscle. If energy can not be obtained from one tier, the body seeks the next tier. Since muscle is the last tier, and virtually every……