Average rein tension is 34-45% greater in a rider’s dominant vs nondominant hand. -Jenni Douglas #ISES2015 — Alexandra Beckstett (@TH_ABeckstett) August 6, 2015   McLean’s 1st new training principle: avoid and dissociate flight responses! #ISES #ISES2015 #ISES2015Vancouver, #equitationscience — Equitation Science (@equitationscien) August 6, 2015 McLean’s 2nd new training principle: demonstrate minimum levels of arousal…