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2 VIDEOS
10:35
225 views
Jim Stoppani, PhD, has been relentlessly experimenting in the field of human performance for over 20 years. He's helped you add size. He's helped you shred. Now he's here to help you build one of the most foundational and critical qualities in fitness, one that will make you better at everything: strength.
1:05
1k views 1,787 views
:59 second guide on tracking.