Hollywood trainer Erin O'Brien invites you into her home for an exercise routine that works your arms, legs, and core. STRONG BODY, AGELESS BODY is an efficient total body workout for a stronger, leaner, more flexible body. Regular strength training is essential to keep you looking and feeling young. The more muscle you have the more calories you burn, even at rest. Strong muscles protect your heart, your joints, your back, and your bones. Whether you're looking for a way to get started or looking for an efficient, effective way to kick your home workout up a notch, this program is for you.