Using Your Exercise Ball

* author: Lisa M. Wolfe * most-up-to-date information on exercising with stability balls, medicine balls and mini Xeralls * improve core strength leading to a firmer stomach and a stronger back, less susceptible to injuries * use of balls in your workout provides variety for your exercises and activates more muscle groups than traditional dumbbell training leading to an increase in your tone and strength * also includes tennis ball massage for relaxation and pain relief * 97 pages; paperback * warranty: free from defects upon arrival; books must be returned within 3 business days of receipt for product refund unless otherwise authorized