Jack knife Sit-up Exercise Guide
Exercise Profile
- Target
- Rectus Abdominis
- Equipment
- Body weight
- Body Part
- Waist
- Primary Muscle
- Rectus Abdominis
- Secondary Muscles
- Tensor Fasciae Latae, Obliques, Iliopsoas, Adductor Longus, Pectineous, Sartorius, Adductor Brevis, Quadriceps
- Intensity
- medium
- Category
- strength
- Skill Level
- intermediate
- Estimated Calories
- 5
- Alternate Names
- Jackknife Sit-Up
How to: Jack knife Sit-up
- Lie on your back with your arms extended above your head and legs straight.
- Simultaneously lift your arms and legs to meet at the center above your torso, creating a 'V' shape.
- Slowly lower back down to the starting position while maintaining control.
- Repeat for the desired number of repetitions.
Common Mistakes
- Pulling on your neck with your hands.
- Not engaging your core properly while lifting.
- Raising your legs too high during the sit-up.
Modifications
- Bending your knees can make the exercise easier.
- Perform the exercise from a flat surface or mat for comfort.
Tips
- Engage your core throughout the movement.
- Avoid using momentum; focus on controlled movements.
- Keep your legs straight as you lift your torso for a full range of motion.
Jack knife Sit-up Alternatives
Tags
core
strength
abs
body weight
intermediate
flexibility