Articles, Athlete, Chris Duffin, Chris' Training, Movement Application of Concentric Only Training March 11, 2012 ...By Chris Duffin
Athlete, Chris' Training Pec Tear – Sternal and Clavicular Head Detachment September 27, 2010 ...By Chris Duffin
Athlete, Chris' Training 801 lb Deadlift @ 198 – USP Labs Sponsored March 15, 2009 ...By Chris Duffin
