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Jeff O’Connell
Jeff O’Connell, formerly Editor-in-Chief of Bodybuilding.com and Muscle & Fitness, is the author of Sugar Nation and has cowritten such bestsellers as Spartan Up! and LL Cool J’s P...lihat lebih banyakJeff O’Connell, formerly Editor-in-Chief of Bodybuilding.com and Muscle & Fitness, is the author of Sugar Nation and has cowritten such bestsellers as Spartan Up! and LL Cool J’s Platinum Workout. lihat lebih sedikit
Buku audio oleh Jeff O’Connell
Sit Up Straight: Future-Proof Your Body Against Chronic Pain with 12 Simple Movements