STAY YOUNG WITH EFFECTIVE, EFFICIENT CORE STRENGTH TRAININGFrom swinging a golf club to carrying a bag of groceries, the core is everything. Balance, agility and youthful stature are just a few of the benefits of a toned and powerful midsection. Core Strength for 50+ has everything you need to:- Improve posture- Enhance sports performance- Guarantee low back health- Avoid injuryWith workouts ranging from basic mat work routines to unstable training with foam rollers and stability balls, Core Strength for 50+ provides more than 75 exercises that build and maintain strong muscles in the abs, obliques, lower back and butt.