by Lisa Westlake

'Strong and Stable' builds on the original fitball exercises of the internationally successful 'Strong to the Core' and takes your body to the next level of strength and fitness. Over 100 new exercises will help you look good and feel fantastic, giving you a stronger, leaner and injury-free body. Bestselling author Lisa Westlake shows you how to: strengthen and define your body, develop core stability, activate body balance, increase abdominal strength, improve mobility and flexibility.