Method
Lie on a Swiss ball with your back as shown in the picture.
Place legs in front of you.
Keep your hands behind your head.
Curl your shoulders and trunk towards your knees, slightly rounding your back.
Just roll forward and crunch your rib cage towards your pelvis.
Exhale and squeeze at the top of the crunch.
Return to start position.
Avoid
Lifting the entire back off the ball.
Holding the neck or head and pulling it upwards.
Quick, jerky movements.
Muscles targeted
It trains the entire rectus abdominal muscle, with maximum emphasis on the upper part.
Who benefits
Sports persons who need strong abdominals to stabilise their bodies.
Those who want to get tight abs.
http://trainingmasters.
wordpress.com
