Hurts so good! Trigger point therapy is a technique that can be incorporated with any massage! It's the process of applying pressure to an active point in the origin, insertion, or belly of the muscle to trigger contraction and release. Often you will feel your muscle begin to "shake" during a massage. This is usually due to engaging an active trigger point that prompts a gentle spasm in the muscle. The muscle begins to contract and release, exercising through its own tension.