20-second exercise 'snacks' could actually improve your fitness, according to new research - INSIDER

20-second exercise 'snacks' could actually improve your fitness, according to new research - INSIDER
20-second exercise 'snacks' could actually improve your fitness, according to new research  INSIDER

On busy days, setting aside a large chunk of time to work out can feel unrealistic — even impossible. But new research suggests that a few short bursts of activity ...