- Use two different weights, with the lighter weight on the side of your working leg.
- Keep your ribs down and don’t arch your back as you’re moving.
- Step onto the box while keeping your hips square.
- Keep your weight rooted through your heel – Don’t come up onto your toes.
- Step up without rotating your hips open or arching your back.
- Keep your knee tracking straight over your toes the whole time – don’t let it collapse inward.
Single-Arm Dumbbell Step-Up