Step-Up
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Stepping up onto a raised surface one leg at a time; a unilateral knee/hip extension exercise whose difficulty scales with box height.
Detail
Stand facing a sturdy box, bench, or step. Place one whole foot on it, then drive through that heel to stand fully on top (minimizing push-off from the trailing foot), and step back down under control. Repeat per side. The working-leg Quadriceps and Gluteus Maximus extend the knee and hip to lift the body; the higher the step, the deeper the knee flexion and the harder the rep.
Keep the knee tracking over the toes (Knee-Toe Relationship) and avoid pushing off the bottom foot. Progress by raising the box, slowing the descent, pausing at the top, or holding a backpack. A joint-friendly unilateral leg builder and a good lead-in to deeper single-leg work in the Pistol Squat Progression.
Key facts
- Step up onto a box one foot at a time; drive through the top-foot heel, minimal bottom push-off.
- Higher box = deeper knee flexion = harder.
- Progress with box height, slow descent, top pause, or added load.
- Knee tracks over the toes.
Connections
- Pistol Squat Progression — related unilateral squat line.
- Split Squat / Lunges — companion unilateral movements.
- Quadriceps / Gluteus Maximus — prime movers.
Sources
Exercise guides
Keep this lesson, or ask how it applies to you.
Educational content only — not medical advice. Always consult a qualified professional for individualized guidance, especially around injury, pregnancy, or medical conditions.