Popsugar Health & Fitness Crossfit Best CrossFit Leg Exercises These Are the 24 Best CrossFit Leg Exercises If You Want Strong, Lean Legs 15 August 2019 by Jenny Sugar View On One Page Photo 5 of 24 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Box Jump Stand with your feet slightly wider than hips-width distance apart in front of a sturdy box that's six to 24 (or more!) inches tall. Bend your knees and swing your arms back. Jump onto the top of the box with both feet, swinging the 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. Previous Next Start Slideshow CrossFitLeg ExercisesWorkouts