Team OSL's John Hansen is known as one of the world's best natural bodybuilders, he is a 3-time Natural Mr. Universe winner, and won the 1st Mr. Natural Olympia contest in 1998. Here he shows you his Old School back workout, enjoy! Visit http://www.OldSchoolLabs.com to learn more about our uncompromisingly premium supplements for more fitness information. And sign up to our newsletter to know about giveaways, discounts, promos to receive an immediate 10% discount code: http://www.OldSc
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