POSITION: PRONEEQUIPMENT: STABILITY BALL
VARIANT 03
A.K.A. Jackknife On Ball · Exercise Ball Tuck In
Start- Place your feet onto an exercise ball and your hands in a push up position onto the floor. Move- While balancing on the exercise ball, simply and slowly bring your knees up into your chest squeezing your abs and allowing the ball to roll towards you. Once in a full crunch roll back out to the extended position and repeat for reps.
To do knee tucks, place your right leg on the ball and slowly lower yourself down, lifting your left leg up. Hands are under the shoulders and the back is nice and flat. Drive the knees into the chest and extend back to the start position, keeping the hips lifted.
General And Specifics
this ab exercise strengthens the core and the hip flexor Starting Position
support yourself with stretched arms and bring the shins on the gym ball
the hands are under the shoulders, the legs are stretched out
your whole body is in a straight line Correct Execution
brace the abs
bend the legs and guide the thighs forward until they are vertical to the ground
the gym ball moves towards the hips and is arranged under the feet in the final position
hold the position for a bit
stretch out your legs then and roll the ball back into the starting position again
the upper body is stable during this exercise
repeat this stability ball exercise several times
