ARNOLD SCHWARZENEGGER BACK WORKOUT | MR.WORKOUT | 2025

💪 Discover the legendary Arnold Schwarzenegger back workout that built one of the greatest physiques in bodybuilding history! 🏋️ From heavy barbell rows to wide-grip pull-ups, this classic routine focuses on back width, thickness, and strength. 🔥 Perfect for serious lifters chasing old-school mass and aesthetics. 👊 #arnoldschwarzenegger #backworkout #bodybuilding #oldschoolbodybuilding #arnoldworkout #gymmotivation #backday #classicphysique #fitnesslegends