Endurance training leaves no memory in muscles

Genetic study finds no persistent changes in exercisers

muscular legs of a bicyclist

SHORT-TIMERS  Endurance exercises like cycling, running and swimming change muscles for the better, but the body may not remember those changes in the long run. 

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Use it or lose it, triathletes.

Muscles don’t have long-term memory for exercises like running, biking and swimming, a new study suggests.