detraining

Definition

The partial or complete loss of training-induced adaptations when you stop exercising. Evolution's reminder that 'use it or lose it' isn't just motivational poster fodder.

Example Usage

After two weeks of vacation, detraining hit so hard that my first workout back felt like rediscovering gravity.

Origin

Exercise physiology term describing the reversal of training adaptations; studied systematically since the 1970s

Fun Fact

Cardiovascular fitness declines faster than strength during detraining—you can lose 10-15% of aerobic capacity in just two weeks of inactivity.

Source: Exercise physiology research and training theory

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