This exercise is great for the entire area of abdominal muscles and is also a great workout for your obliques.
Lie down on the floor. Bend your knees and keep your feet 18 to 24 inches apart. Keep your arms straight down at your sides.
Crunch forward and up about 2-3 additional inches and with your left hand touch your left heel. Return to starting position and repeat motion: with your right hand touch your right heel. Now you have completed one repetition. It is impo