Active Release Techniques (ART) is the gold standard for soft tissue release work and is used by many professional sports teams as a quick way to elicit a lengthening of a tight muscle fiber. At San Diego Personal Training we have multiple practitioners that are certified in Active Release Technique (ART). What does this mean to you? It means that if you are experiencing any tight muscle pulls and need to get some relief quickly so you can better perform for your sport or for your workout, we have a solution that will help you get some pain relief.