Age Wise

Just 3 Seconds of Intense Exercise Makes a Muscle Stronger

Brief but hard-core weightlifting yields surprising benefits when repeated daily

You won’t look like this after a single 3-second workout, but there is benefit to such brief, intense effort when added up over time. Photo: Unsplash / Damir Spanic

When university students did bicep curls or isometrics at maximum effort for just three seconds, five days a week for four weeks, their biceps grew 10% stronger compared to a control group…