Bicycle Crunches 

Starting Position 
Begin by lying on your back, placing your hands behind your ears. Do not put your hands clasped behind your head. Lift your legs in the air and bend your knees so that your legs form a 90 degree angle. 

Action 
Move your legs in a bicycle motion. When your left knee is closer to your body, reach your right elbow to it. When your right knee is closer to your body, reach your left elbow to it. Try performing the exercise for 60 seconds in 2 sets. 

Special Instructions 
None.

Muscles Worked: Abs, Obliques