Can a single year of heavy resistance training keep older adults strong for years to come? In this episode, we explore groundbreaking research from the LISA study, which followed retirees for four years after just one year of supervised heavy training. The results are powerful: participants who lifted heavy maintained their leg strength and lean muscle mass, while others declined. Even more surprising? These gains were sustained without continued formal training. Tune in to discover why intensity matters, how neural adaptations beat muscle loss, and what this means for aging well, staying independent, and reshaping public health advice for retirement-age adults.

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