Sports
5 ideas, each explained on one page with a 60-second lesson you can play right there.
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Creatine
Creatine is an organic compound that your body uses to rapidly recycle ATP, the molecule cells consume for energy.
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Muscle Hypertrophy
Muscle hypertrophy is the enlargement of skeletal muscle caused by individual muscle cells growing thicker rather than multiplying.
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Muscle Soreness
Delayed onset muscle soreness comes from lengthening muscles under load, not lactic acid.
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Progressive overload
Progressive overload is the training principle of gradually increasing the stress placed on your muscles and nervous system.
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Skeletal muscle
Skeletal muscle is the striped tissue attached to your bones that contracts to move your skeleton and keep your body upright.