The Equilateral Model or Equine Assisted EMDR is an innovative integration of Equine Assisted Psychotherapy (EAP) and EMDR. EMDR is an evidenced-based treatment model for trauma, “an eight-phased approach to accessing, releasing, and reprocessing trauma that the has been “locked” in the nervous system.” Equine Assisted EMDR utilizes the horse as a co-facilitator during the therapy session, for a unique and effective treatment approach for trauma.