Single Leg Jackknife

Owen Jones

17 Sep 2024

Step 1
Lie on the floor with a straight back and arms above your head. Keep your legs straight.
Step 2
Lift your left leg off the floor and, with your arms extended forward, lift your upper body off the floor using your abs.
Step 3
Do not round your back while sitting.
Step 4
Hold for half a second at the top and then lower back down. Alternate the leg you lift each time. Continue to the desired number of repetitions.

Single Leg Jackknife targets Abs, Core as seen below.

Use core strength to keep your upper body stable and keep your spine in a neutral position throughout the exercise.

Owen Jones

17 Sep 2024