Step-Up
The bottom leg is a passenger. The step-up asks one leg to do the whole job of standing you up onto a box while the other learns not to help. Bouncing off the bottom leg is the fault. The height sets the range, which makes it easy to scale, and few movements transfer as directly to stairs, hills and getting off the floor.
Setup
- Box at knee height (lower to start).
- Whole foot on the box, weight in that heel.
How To Do It
- Stand up on the box using ONLY the top leg.
- Control the descent, 2 seconds down.
- Finish all reps, then switch.
Breathing
Exhale stepping up.
Common Mistakes
- Bouncing off the bottom leg. Dead-leg it.
- Half-foot on the box. Whole foot, or a lower box.
Programming It
Three sets of 8-12 per leg.
Why This Exercise Works
A step-up is a single-leg squat with the range set by the box. It is easy to cheat by pushing off the trailing foot, which is why the honest version, trailing leg doing nothing and working leg driving through the heel, feels far harder than it looks.
Where You Should Feel It
The working leg's quad and glute, with the box height setting the range. If you push off the trailing foot, you have made it easy. The honest version is much harder than it looks.
Where It Fits in a Program
One leg does real work while the other learns not to cheat. Programme it early, while you can still execute it well.
Progressing and Regressing It
To progress the step-up: raise the box, or hold dumbbells. To regress it: lower the box, and hold a support.
Who It's For
Anyone who wants single-leg strength with a range they control. Also one of the most transferable movements to stairs and hills.
Equipment and Substitutions
The version shown uses a box or a bench. Any stable, padded surface at roughly knee height does the job.
Related Exercises
- Bulgarian Split Squat · Quads, Glutes, Balance
- Band Squat · Quads, Glutes
- Landmine Squat · Quads, Glutes, Core
- Leg Press · Quads, Glutes
- Goblet Box Squat · Quads, Glutes
- Paused Goblet Squat · Quads, Glutes, Core
- Jump Squat · Quads, Glutes, Power
- Front-Foot-Elevated Split Squat · Quads, Glutes
Common Questions
What muscles does the step-up work?
The step-up primarily trains the quads, glutes, balance.
How many sets and reps should I do?
Three sets of 8-12 per leg.
What are the most common step-up mistakes?
Most often: bouncing off the bottom leg; half-foot on the box.
Do I need a box or a bench to do this?
This version uses a box or a bench, and it trains the quads, glutes, balance. No bench? The floor version below removes some range but keeps the loading, and it is kinder to the shoulder into the bargain.
Is this safe if I have an existing injury?
The step-up loads the knee and ankle, so stiff ankles or an irritable knee will show up early. Sharp pain at a single point is the one to stop for; a general burn is not. Not medical advice.