Training WATCH: Kelly Starrett’s TRX Duo Trainer Workout Kelly Starrett shows basic workouts you can use to incorporate the TRX Duo Trainer into your strength and conditioning practice. April 3, 2017 Michael Nystrom Share this Facebook Icon Twitter Icon Email Icon Join The Box Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join The Box Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In The Box Newsletter Sign up to receive cutting-edge training and nutrition information in your inbox. Stay On Topic Is CBD Your Secret Weapon for Recovery? Should You Work Out Before Bed? 7 Ways to Exercise Better When You Are In Ketosis