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Myofascial pain patterns of the infraspinatus muscle (2)

Myofascial pain referred to the anterior shoulder joint is usually secondary to infraspinatus, or levator scapulae trigger points (x's). (B) An infrequent trigger point location that refers pain to the medial scapular border. (From Travell JG, Simon DG. Myofascial pain and dysfunction, infraspinatus muscle, the trigger point manual. Volume 1. Baltimore: Williams & Wilkins, 1983:378, with permission.)

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