![]() And while doctors like Luo cannot yet quantify exactly how effectively those activities are maintaining your muscle mass, he says you're not going to lose years of gains overnight. While you're quarantining, you're likely at least pacing around the house, taking walks outside, or yoga-ing in your living room. What researchers do know? "At the extreme, if a person is fully immobilized and lying down-meaning, they're not even supporting their own body weight-previous data suggest that muscle atrophy is slow for the first two days, but speeds up." After two weeks of full immobility, research indicates that a person will lose about half their muscle mass and continue to lose more should their immobility continue.Īgain, though, this is the most extreme case of inactivity. "We are failing to account for so many variables: sex, age, training history, genetics, nutrition, and much more," says Dr. For most people, these fluctuations in muscle size naturally occur as life ebbs and flows, but research isn't yet rock-solid on how long the process takes. ![]()
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January 2023
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