Overview
This comprehensive workout leaves no muscle untouched. Join Shaun and his bodybuilding trainer Kristen as they teach you how to maximize “time under tension”—a key growth stimulus—as you push yourself to dig deep.
This comprehensive workout leaves no muscle untouched. Join Shaun and his bodybuilding trainer Kristen as they teach you how to maximize “time under tension”—a key growth stimulus—as you push yourself to dig deep.
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