Want to have sexy and stout abs? Perform Clamshell Crunch with ball and get sturdy abs.

· Lie down straight on a mat.

· Hold a ball between your legs with the knees folded.

· Place your hands behind the ears in a crunch position.

· Get sure of your abs being erect and taut.

· Now try and raise your body from the butt along with the legs carrying the ball.

· At the same time lift your head towards the ball with the help of your hands.

· Exhale while doing the above two steps.

· Now return to the starting position and inhale.

· Repeat the above steps for 15-20 times.