Resistance Training Improves Muscle Repair System, Study Finds; Gains Fade After Three Weeks Regular resistance training strengthens the muscle protein repair system, and those improvements begin to reverse after three weeks without training, according to a study published in Nature Communications. The research team reported that six weeks of resistance exercise improved the muscles’ internal mechanisms for identifying and removing damaged proteins in six healthy male participants. Unlike most exercise studies, which track changes in muscle size or strength, this investigation analyzed how proteins inside muscle tissue behaved and moved in response to training, according to the report. Muscle biopsies…

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