Exercise Comparison
90/90 Hamstring vs Front Box Jump
Side-by-Side
Muscle Analysis
Shared
Only in Front Box Jump
Instructions
90/90 Hamstring
Lie on your back, with one leg extended straight out.
With the other leg, bend the hip and knee to 90 degrees. You may brace your leg with your hands if necessary. This will be your starting position.
Extend your leg straight into the air, pausing briefly at the top. Return the leg to the starting position.
Repeat for 10-20 repetitions, and then switch to the other leg.
Front Box Jump
Begin with a box of an appropriate height 1-2 feet in front of you. Stand with your feet should width apart. This will be your starting position.
Perform a short squat in preparation for jumping, swinging your arms behind you.
Rebound out of this position, extending through the hips, knees, and ankles to jump as high as possible. Swing your arms forward and up.
Land on the box with the knees bent, absorbing the impact through the legs. You can jump from the box back to the ground, or preferably step down one leg at a time.
Verdict
Both exercises target the hamstrings. 90/90 Hamstring is a beginner exercise using bodyweight, while Front Box Jump is beginner and uses other. Choose 90/90 Hamstring if you have access to bodyweight, or Front Box Jump if you prefer other.