Note: tight fascia with trigger points inside _cannot_ be released by stretching alone. Source: personal focus of finding why the hell my posture was crooked after falling off bike; after 3 years of weekly massages my therapist and me finally found a huge trigger point in a thigh. It took one-two weeks to release fully, and then my posture magically straightened.
People swear by trigger points , and as it is a relatively recent discovery, not every massage therapist knows about them.