Grab a set of dumbbells and take thirty minutes to sculpt some seriously sexy chest and back! This upper body workout will help you firm up your chest, improve your posture and get a sleek, toned back. www.spotebi.com/...

Grab a set of dumbbells and take thirty minutes to sculpt some seriously sexy chest and back! This upper body workout will help you firm up your chest, improve your posture and get a sleek, toned back. www.spotebi.com/...

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