How to Do
How to Do Prone Stability Ball Single Straight Leg Jackknifes
The prone stability ball single straight leg jackknifes should begin with good posture to avoid injury. Brace the spine by drawing your lower abdomen inward. Your core muscles should be activated to support your posture as you perform the exercise.
If any pain is experienced, immediately stop the prone stability ball single straight leg jackknifes.
Beginning
Beginning Single Straight Leg Jackknifes
Begin on your stomach, with your legs straight and your hands and toes touching the floor, on a stability ball.
Movement
Single Straight Leg Jackknifes Movement
1. Balance your weight on the ball with your arms and upper abs.
2. To help elevate your legs into a prone position, contract your buttocks and core.
3. Before returning to the raised position, pause for a second.
4. Repeat.
Benefits
Single Straight Leg Jackknifes Benefits
The single-leg jackknife is a calisthenics and pilates exercise that primarily targets the abs, but also the hamstrings, hip flexors, and lower back to a lesser extent.
