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Location of trigger points in the head, neck, shoulder and upper back muscles.
HNS: head, neck, and shoulder area where is from a top of head to C7; UB: upper back area where is from C7 to T7. 1) occipitofrontalis, 2) temporalis, 3) suboccipital, 4) sternocleidomastoid, 5) splenius capitis, 6) splenius cervicis, 7) semispinaliscapitis, 8) semispinaliscervicis, and 9) upper and 10) middle trapezius muscles.
