Name
Jackknife Crunch Things to pay attention
Take care to be perfectly straight.
At the final point, your arms should be parallel to the legs.
The upper part of the body should be lifted off the ground.
Breathing is very important in this exercise.
Which Muscle Groups It Affects
The Jackknife Crunch movement first affects the abdominal muscles as well as the hip muscles.
Jackknife Crunch How To
Lie flat on the ground.
Extend your arms behind your head.
Fully extend your legs as well, this will be your starting position.
Bend your back and as you do this, raise your arms and legs to form a closed pocketknife position. You have to do this by breathing.
In this movement, your legs should be opened 35-40 degrees from the ground.
Your arms should be extended exactly parallel to your legs.
The upper part of the body should be lifted off the ground.
Return to the starting position by lowering your arms and legs to the floor.