Hold dumbbells in your hands, step one foot on the box or bench and press through your heel to step up, slowly step back down and repeat - you can do all on one side or switch back and forth between legs.

Weight Recommendations:

Beginner: Bodyweight - 7lbs
Intermediate: 10-25lbs
Advanced: 30-65+ lbs

*Modification: do this without weights!

*You should always seek clearance from a licensed healthcare provider before beginning a new exercise program.