High Knee Step Up

High Knee Step Up

Description

The high knee step-up is a cardio-focused step-up variation where you drive the back knee up explosively after stepping onto the box. It combines lower-body strength with explosive hip flexion and cardiovascular conditioning. It is a popular HIIT exercise.

Equipment Required

High Knee Step Up Instructions

  1. Stand facing a sturdy box or bench (knee-height).
  2. Step your right foot up onto the box.
  3. Drive through your right foot to push your body up explosively. As you reach standing, drive your left knee up to hip height (or higher).
  4. Briefly hold the high-knee position on top of the box.
  5. Lower your left foot back to the floor.
  6. Step your right foot back down.
  7. Repeat all reps on the right, then switch.
  8. Move with explosive intent, not slow control.

High Knee Step Up Form & Visual

High Knee Step Up

High Knee Step Up Benefits

  • Combines step-up strength with explosive cardio
  • Builds quad and glute power
  • Trains explosive hip flexion
  • Excellent HIIT exercise
  • No equipment needed beyond a box
  • Easy to scale with box height

High Knee Step Up Muscles Worked

  • Quadriceps
  • Gluteus maximus
  • Hip flexors
  • Calves
  • Core (stabilizer)

High Knee Step Up Variations & Alternatives