Muscle Power: The Longevity Number Your Strength Test Misses
Tell a doctor you want to know your risk of an early death, and the test you’ll get almost never moves fast. It measures how much you can do — how hard you can squeeze, how heavy you can lift. It never asks the question that a decade of data now says matters more: how quickly can you do it? Muscle power — force multiplied by speed — beats raw strength as a predictor of mortality, and most men over 40 don’t train it at all. They train the slow half, the heavy half, and leave the speed half to waste away. ...