Atrophy occurs with the c. reversibility principle of training.
What are the principles of training reversibility?
Reversibility-Adjustments that occur as a result of training are reverted when training is stopped. If you take a break or do not exercise enough, you will lose strength. The principle of reversibility is the concept that when an athlete stops training, training improvement or progress is lost. Fitness reversibility can be applied to all forms of exercise, including aerobic exercise, endurance, and strength training.
Physical fitness is reduced. Aerobic exercise is reduced. Mobility is reduced. This can happen relatively shortly after you stop exercising and can be frustrating.
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