How to Do Abdominal Exercises : How to Do Ab Crunch Exercises
Learn how to do crunches and abdominal exercises from an expert in this free fitness video on abdominal exercises. Expert: Katie Bowers Bio: Katie Bowers is a nationally certified fitness instructor and personal trainer with over 8 years experience. Being a dancer and a former gymnast, she knows how important stretching is for muscles. Filmmaker: […]