Upper Trapezius Trigger Point (TrP₁) and Referred Pain Patterns - Anatomy Guide #1207042 (License: Personal Use)

This anatomical illustration highlights trigger point TrP₁ located in the upper fibers of the trapezius muscle near the scapular spine, with red shading indicating the primary muscle involvement and red dots mapping the typical referred pain pattern to the temporal region, occiput, and mandibular angle. The diagram also shows surrounding musculature and landmarks like the ear and cervical vertebrae to aid clinical localization. It serves as a visual reference for manual therapists, physiotherapists, and patients managing myofascial pain syndromes.

Used on medical education, physical therapy, or chronic pain management web pages to explain myofascial trigger points; supports content on tension-type headaches, cervicogenic pain, and dry needling or massage protocols. Matches user intent seeking diagnosis, self-help, or professional treatment guidance for shoulder/neck-originating head pain.