Bicycle crunch exercise is one of the best result oriented abs exercises. The best part about the particular bicycle crunch workout is that it includes several upper and lower muscle groups in the movement that increases the strength and develops muscles throughout the body. It’s a great movement that works on all the abdominal muscles positively. Bicycle crunch considers one of the best abs exercises as it needs no exercise equipment and can be done anywhere anytime. The only requirement is a safe place to lie down. It works on your stamina, balance and coordination as well. If you feel any discomfort or pain during the exercise then stop and contact your doctor immediately.