Watch Arnold's Son Joseph Baena Blast Through a Shoulder Workout

Watch Arnold's Son Joseph Baena Blast Through a Shoulder Workout

Even a descendant of Arnold Schwarzenegger isn’t immune to struggles in the gym — especially when it comes to building shoulder muscle. In a new Instagram video posted on Nov. 21, Schwarzenegger’s son Joseph Baena shows off his intense shoulder workout—and how he keeps his troublesome delts in line. The bodybuilder’s key strategy? He pushes himself to the limit. Period. “For me, shoulders have always been the hardest muscles to grow,” Baena writes in the caption of the video. “I’ve learned that the only real way to grow them is by going all out and burning out 'til you can’t …
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