Popsugar Health & Fitness Workouts Kayla Itsines 14-Minute Workout Work Your Entire Body in 14 Minutes With This Trainer's 4-Move Strengthening Circuit 6 July 2019 by Tamara Pridgett View On One Page Photo 1 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Box Jump Stand with your feet slightly wider than hips-width distance apart in front of a sturdy box that's six to 50 (or more!) centimetres tall. Bend your knees and swing your arms back. Jump onto the top of the box with both feet, swinging your arms forward to give you a little momentum. Step one foot at a time back to the floor, or jump down softly with both feet. This counts as one rep. Complete 10 reps. Previous Next Start Slideshow Kayla Itsines15-Minute WorkoutsStrength TrainingWorkoutsPopsugar Interviews