Box Step-Up
BWStrength
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The Box Step-Up is a unilateral strength exercise where you step onto a sturdy box or platform with one foot, drive through the heel to lift your body up, then step down controlled, alternating legs. Its primary purpose is to build lower body power, stability, and balance while targeting the quads as the main muscle, with secondary activation of the glutes and posterior thighs (hamstrings). Ideal for athletes, runners, or anyone improving functional leg strength, it requires only body weight and a box 12-24 inches high.
How to Perform Box Step-Up
- 1Stand facing a sturdy box or bench set to knee height (about 12-18 inches), feet hip-width apart, core engaged, and hands at sides or on hips.
- 2Step your right foot onto the center of the box, planting it firmly with your knee tracking over your toes.
- 3Drive through your right heel to press your body upward, fully extending your right hip and knee to stand tall on the box.
- 4Inhale as you prepare, then exhale as you drive up through the heel.
- 5Bring your left foot up onto the box to meet the right, standing upright with hips and knees extended.
- 6Inhale to prepare, then step down with your left foot first, followed by the right, returning to the starting position.
- 7Repeat for desired reps, then switch to lead with the left leg.
- 8Key form tips: Keep your torso upright—avoid leaning forward; drive through the heel, not toes, to target quads and glutes; control the descent to avoid slamming. Common mistakes: knee caving inward, using momentum instead of muscle power, or box too high causing back rounding.
