Here is the Pyrmont http://www.OZBootcamp.com.au performing a bicycle crunch.
One of the most effective exercises for training the rectus abdominus http://www.npmfitness.com.au for PT.
Always perform abdominal exercise slowly and with controlled breathing. Do not pull on the neck with your arms and hands when performing the bicycle crunch as it can put unwanted pressure on the cervical discs.Personal Trainer Sydney and Sydney Bootcamp Instructor - nate - maurice
