Chris Duffin - Top YouTube Videos

Chris Duffin - Top YouTube Videos

GLUTE TRAINING | DROP THE USELESS HIP THRUSTER


My views on Ab Training - For EPC Members


900 Raw Deadlift @ 220 - USP Labs Chris Duffin (w/Straps)


785x7 Deadlift - with Mike O'Hearn - and Video log from Olympia Week


Butt Wink - it's Importance & how to eliminate

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