another great exercise for cyclists

The plank: easy to do anywhere, little chance of injury as there is no over extension or flexion of the back and you can combine with a pushup for a two in one exercise Options: on your elbows and toes; on hands and toes; on hands and toes with one hand off the floor for 1/2 of the effort then switching; one hand and the opposite foot off the floor for half the effort then switch; be careful that you don't go to a pike position with hips up; back should be flat; think of keeping your hips down if you feel like your getting the pick position