In sports massage therapy, the techniques used differ depending on whether the massage is pre-event or post-event. Invigorate the body through sports massage therapy with help from a massage therapist in this free video on sports massage. Expert: Gretchen Rivas Contact: www.relaxwilmington.com and www.relax-productions. Bio: Gretchen Rivas has been a massage therapist for seven years in Wilmington, North Carolina. Filmmaker: Reel Media LLC