Articles, Chris Duffin, Equipment, Methodology, Movement A Clinicians Story with ‘The Duffin Movement Systems’ & the ShouldeRök October 14, 2015 ...By Chris Duffin
Articles, Chris Duffin, Events Duffin Movement Systems (DMS) – Certification in NJ New York June 24, 2015 ...By Chris Duffin
Articles, Chris Duffin, Equipment The ShouldeRök™ versus a Macebell or Gada March 30, 2015 ...By Chris Duffin
Articles, Chris Duffin “The Mad Scientist of Powerlifting” Stan Efferding w/Chris Duffin January 29, 2015 ...By Chris Duffin
