JEFF O”CONNELL is senior writer for Muscle & Fitness and a contributor to Men”s Fitness, Flex, and other magazines.
6 द्वारा ईबुक Jeff O. Connell
Jeff O’Connell & Vinh Pham: Sit Up Straight
Futureproof your body and relieve chronic pain resulting from sitting, slouching, and other bad lifestyle habits with this easy-to-perform set of daily stretching and movement routinesfrom an innovat …
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€17.60
Jeff O’Connell & Joe De Sena: Spartan Up!
"A must read for anyone looking to take his performance to the next level, be it in athletics or in life." -Dean Karnazes, ultramarathoner and New York Times-bestselling author of Ultra Mar …
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€23.10
