If you dabble in at-home workouts, you've probably already got some basic gear. (If not, start with these top-rated dumbbells and trainer-approved resistance bands.) But if you're getting serious ...

It's one of the most simple moves but, do it right, and you're in for a whole host of benefits. It's the humble step-up exercise, of course! Or, if you're plumping for the weighted version, a dumbbell ...