Bicycle Maneuver Abdominal Exercise
http://AskTheTrainer.com/best-ab-exercises.html
Personal Trainer Michael Behnken, MS NASM-CPT-PES, CSCS
If you perform the bicycle maneuver properly, it is a great abdominal exercise.
Make sure both hands are interlocked behind your head for resistance as well as to support your neck.
When you kick one leg out, it should be fully extended a couple inches above the floor.
There are many different [...]