I went back to the gym in September after four weeks off just to pick up where I left off: three weeks later my legs were strong again, and I understood what hadn’t come back with them

I went back to the gym in September after four weeks off just to pick up where I left off: three weeks later my legs were ...

After four weeks off the gym, one lifter’s legs felt strong again in three weeks—but climbing stairs left them gasping. The reason? Muscle and cardio recover on completely different timelines, and understanding this split explains why most people quit their comeback prematurely.