What are your scientific opinions on Crossfit & Crossfit Training? ADVERTISEMENT 1.18K viewsJuly 27, 2012 0 Brent0 July 27, 2012 0 Comments I was curious to know what other professionals thought about Crossfit. 12 Answers ActiveVotedNewestOldest 0 Adam Posted 0 Comments You can’t trust a trainer that has only been on a 2 day certification course and answered 50 multiple choice questions. You are viewing 1 out of 12 answers, click here to view all answers. Register or Login