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Jack Split Crunches
Muscles involved
Jack split crunches open your legs into a V as you crunch up. They train your abs and hip flexors while improving coordination.
How to do it
- Lie on your back with your legs extended and your arms stretched behind your head.
- Exhale and contract your abdominal muscles as you bend forward at the waist and raise your legs simultaneously.
- Bring your arms between your legs until your elbows and knees touch, holding the contraction for a moment.
- Inhale and return in a controlled manner to the starting position to repeat the movement the indicated number of times.
Equipment required
Muscles worked
Tips
- Keep your lower back pressed against the floor at the start to avoid straining it. - Lift your torso and legs at the same speed to maintain control of the movement. - Keep your neck in a neutral position, looking slightly toward your knees to avoid straining it.
Difficulty
AvanzadoFrequently asked questions
Jack Split Crunches: which muscles does it work?
Jack Split Crunches mainly works: Abs, Quadriceps. It also involves: Rectus abdominis.
What is Jack Split Crunches good for?
Jack split crunches open your legs into a V as you crunch up. They train your abs and hip flexors while improving coordination.
How do you do Jack Split Crunches with proper form?
- Keep your lower back pressed against the floor at the start to avoid straining it. - Lift your torso and legs at the same speed to maintain control of the movement.
Similar exercises
Variations and complementary movements
