LIFE SPORT MEDICINE BALL 12LB Ab Crunch This revolutionary system leverages your

This revolutionary system leverages your own body weight as resistance

progressive workout guide

INSPIRE CURL ATTACHMENT

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LIFE SPORT MEDICINE BALL 12LB Ab Crunch This revolutionary system leverages yourMEDICINE BALL 12LB Life Sport Medicine Balls Overview Medicine balls build core trunk strength and joint integrity. You may ask why is this important? Core trunk strength is the key to most athletic moves (i. e. golf swing, throwing a baseball, martial arts, blocking and tackling in football), the problem is the body is a chain and is only as strong as its weakest link. The trunk is generally the weakest link. All sports trainers now recognize core