Core Workout

year of pub­li­ca­ti­onISBNauthor(s)title
2000978-0-9539859-0-6Joanne Elphinston · Paul PookThe Core Workout: Swiss Ball Training for Enhanced Athletic Performance
2004978-0-9539859-1-3Joanne Elphinston · Paul PookThe Core Workout: A Definitive Guide to Swiss Ball Training for Athletes, Coaches and Fitness Professionals