Besides making the body healthy and physically fit, doing workouts regularly enhances the lower and the upper abdominal muscles. Power-packed abs also shield the spine and the entire back from any injuries. Below are five of the most effective, positive and best ab exercises:

Bicycle – Immensely popular as the best of ab workouts, the bicycle focuses on the obliques (waist) and the rectus abdominis (the six-pack). Any workout enthusiast should make sure this technique is done the right way. To start with, the person lies on his back with the fingers pressed against the back of the head. The knees are then brought towards the chest area, the shoulder should then be lifted from the ground. There should never be any constraints on the neck. The left leg is then stretched out. With the left elbow touching the right knee, the upper trunk is twisted to the right. This procedure is done alternately for both legs as if hitting the pedals of a bicycle.

Captain's Chair Leg Raised – This workout is considered next to the bicycle in effectiveness and positive results in the formation of the abs. Standing on a chair, the person the person grasps the arms of the chair while trying to keep the body on a steady position. He then presses his back against the chair's pad while the abs are being constricted in an effort to hold the legs in an upright position in order for the knees to touch the chest. It is necessary not to swing the legs or arch the back in the process. The person then returns to the previous position. Repetition may be done if desired.

Vertical Leg Crunch – This workout is performed with the person lying down flat against the pavement, with legs stretched out and knees in a criss-cross manner. While the hands lie loosely on the sides, the abs are then contracted as the shoulder blades are lifted off the floor. While lowering down, the legs should be kept in the previous position during start up. Repetition may be done if desired.

Reverse Crunch – This workout is best for both the lower and the upper abs. Lying on the floor on his back, the person places his hands beneath his head. Bent at up to around 90 degrees and with feet together, the person's knees should then be brought toward his chest. The hips are twisted off the floor while the abs are being contracted. The person then stretches his legs out as if to touch the ceiling. He then returns to previous position during start up and repeats the whole process if he desires.

Full Vertical Crunch – The person lies down on his back with his hands beneath his head. The legs are then stretched out toward the ceiling. Contracting his abs, he then lifts his shoulder blades while his heels are directed toward the ceiling.

With balanced diet and a good warm up, do these exercises and obtain significant results.

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