An exercise physiologist says these are the three upper-body medicine ball exercises you should do to build functional strength

Women in fitness studio in plank position with their hands resting on a medicine ball.

You might have noticed a rack of weighted balls languishing in the corner of the gym, gathering dust while people work out with dumbbells and kettlebells instead.

They’re called medicine balls and personally, I think they’re an underrated tool. I’ve been using them for a while, and they offer a challenge that other weights don’t.