- Find a sturdy bench, coffee table, wooden box, or kid's chair that, when you place your foot squarely on it, your knee is at about a 90-degree angle or larger.
- Hold a dumbbell in each hand by your side.
- Step up onto the chair and lift your right knee forward and up.
- Lower the right foot back to the ground, landing softly.
- This counts as one rep.
- Step up onto the chair and lift your right knee forward and up.
- Do as many reps as you can for 40 seconds, alternating which leg you step up with each time. Rest for 20 seconds.
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