_{52. Lange M: Die Muskelharten (Myogelosen). J. F. Lehmanns, Munchen, 1931 (p. 129, Fig. 40b; p. 93, Case 3; p. 118, Case 15; p. 130, Case 21).}

_{53. Lewit K: Postisometric relaxation in combination with other methods of muscular facilitation and inhibition. Manual Med 2:101–104, 1986.}

_{54. Lewit K: Manipulative Therapy in Rehabilitation of the Locomotor System. Ed. 2. Butterworth Heinemann, Oxford, 1991 (pp. 24, 195, 196, 207, 208, 219, 220).}

_{55. Lindman R, Hagberg M, Angqvist KA, et al.: Changes in muscle morphology in chronic trapezius myalgia. Scand J Work Environ Health 17:347–355, 1991.}

_{56. Lockhart RD, Hamilton GF, Fyfe FW: Anatomy af the Human Body. Ed. 2. J. B. Lippincott, Philadelphia, 1969 (pp. 318, 321).}

_{57. Long С 11: Myofascial pain syndromes: Part II-Syndromes of the head, neck and shoulder girdle. Henry Ford Hosp Med Bull 4:22–28, 1956.}

_{58. Lundervold AJ: Occupation myalgia. Electromyographic investigations. Acta Psychiatr Neurol 26.360–369, 1951.}

_{59. Lundervold AJ: Electromyographic investigations during sedentary work, especially typewriting. BrJ Phys Med 14:32–36, 1951.}

_{60. Lundervold AJ: Electromyographic investigations of position and manner of working in typewriting. Acta Physiol Scand 24(Suppl)M, 1951 (pp. 26, 27, 94, 95, 97, 126, 129).}

_{61. Marbach JJ: Arthritis of the temporomandibular joints. Am Fam Phys 19:131–139, 1979 (p. 136).}

_{62. McMinn RM, Hutchings RT, Pegington J, et al.: Color Atlas of Human Anatomy, Ed. 3. Mosby-Year Book, Missouri, 1993 (p. 119).}

_{63. Ibid. (p. 46).}

_{64. Melnick J: Trigger areas and refractory pain in duodenal ulcer. NY State J Med 57:1073–1076, 1957.}

_{65. Mennell JM: Joint Pain: Diagnosis and Treatment Using Manipulative Techniques. Little, Brown & Co, Boston, 1964.}

_{66. Michele AA, Davis JJ, Krueger FJ, et al.: Scapulocostal syndrome (fatigue-postural paradox). NY State J Med 50:1353–1356, 1950 (p. 1355, Fig. 4).}

_{67 Model! W, Travell JT, Kraus H, et al.: Contributions to Cornell Conferences on Therapy. Relief of pain by ethyl chloride spray. NY State J Med 52:1550–1558, 1952.}

_{68. Motta A, Tainiti G: Paralysis of the trapezius associated with myogenic torticollis. Ital J Orthop Traumatol J:207–213, 1977.}

_{69. Pace JB: Commonly overlooked pain syndromes responsive to simple therapy. Postgrad Med 58:107–113, 1975 (Fig. 4).}

_{70. Patton IJ, Williamson JA: Fibrositis as a factor in the differential diagnosis of visceral pain. Can Med Assoc J 58:162–166, 1948 (Case I).}

_{71. Pemkopf E: Atlas of Topographical and Applied Human Anatomy, Vol 2. W. B. Saunders, Philadelphia, 1964 (p. 33, Fig. 27).}

_{72. Rachlin ES: Injection of specific trigger points. Chapter 10. In: Myofascial Pain and Fibromyalgia. Edited by Rachlin ES. Mosby, St. Louis, 1994, pp. 197–360 (see pp. 300–303).}

_{73. Rasch PJ, Burke RK: Kinesiology and Applied Anatomy. Ed. 6. Lea & Febiger, Philadelphia, 1978 (pp. 146–150).}

_{74. Reitinger A, Radner H, Tilscher H, et al.: Morphologische Untersuchung an Triggerpunkten (Morphologic study of trigger points]. Manuelle Medizin 34:256–262, 1996.}

_{75. Rosomoff HL, Fishbain DA, Goldberg M, et al.: Physical findings in patients with chronic intractable benign pain of the neck and/or back. Pain 37:279–287, 1989.}

_{76. Rubin D: An approach to the management of myofascial trigger point syndromes. Arch Phys Med Rehabil 62:107–110, 1981.}

_{77. Scovazzo ML, Browne A, Pink M, et al.: The painful shoulder during freestyle swimming. Am J Sports Med 19(6):577–582, 1991.}

_{78. Sharav Y, Tzukert A, Refaeli B: Muscle pain index in relation to pain, dysfunction, and dizziness associated with the myofascial pain-dysfunction syndrome. Oral Surg 46:742–747, 1978.}

_{79. Sola AE, Kuitert JH: Myofascial trigger point pain in the neck and shoulder girdle. Northwest Med 58:980–984, 1955.}

_{80. Sola AE, Rodenberger ML, Gettys BB: Incidence of hypersensitive areas in posterior shoulder muscles. Am J Phys Med 34:585–590, 1955.}

_{81. Soo КС, Guiloff RJ, Oh A, et al.: Innervation of the trapezius muscle; a study in patients undergoing neck dissections. Head Neck 12(6):488–495, 1990.}

_{82. Spalteholz W: Handatlas der Anatomie Des Menschen, Ed. II, Vol. 2, S. Hirzel, Leipzig, 1922 (pp. 302, 303, Fig. 380).}

_{83. Steinbrocker O, Isenberg SA, Silver M, et al.: Observations on pain produced by injection of hypertonic saline into muscles and other supportive tissues. J Clin Invest 32:1045–1051, 1953 (Fig. 2).}

_{84. Theobald GW: The role of the cerebral cortex in the perception of pain. Lancet 2:41–47, 94–97, 1949 (p. 41, Fig. 3).}

_{85. Toldt C: An Atlas of Human Anatomy, translated by М. E. Paul, Ed. 2, Vol. 1. Macmillan, New York, 1919 (Fig. 507).}

_{86. Ibid. (Fig 534).}

_{87. Travell J: Rapid relief of acute «stiff neck» by ethyl chloride spray. J Am Med Worn Assoc 4:89–95, 1949 (Cases 2 and 4).}

_{88. Travell J: Basis for the multiple uses of local block of somatic trigger areas (procaine infiltration and ethyl chloride spray). Miss Valley Med J 71:13–22, 1949 (Case 3).}

_{89 Travell J: Pain mechanisms in connective tissues. In: Connective Tissues, Transactions of the Second Conference, 1951. Edited by Ragan C. Josiah Macy, Jr. Foundation, New York, 1952 (pp. 94–96, Figs. 28 and 29).}

_{90. Travell J: Chairs are a personal thing. House Beautiful, pp. 190–193, (Oct.) 1955.}

_{91. Travell J; Symposium on mechanism and management of pain syndromes. Proc Rudolf Virchow Med Soc 16:128–136, 1957 (Figs. 1 and 2).}

_{92. Travell J: Temporomandibular joint pain referred from muscles of the head and neck. J Prosthet Dent 10:745–763, 1960 (Figs. 1 and 2).}

_{93. Travell J: Mechanical headache. Headache 7:23–29, 1967 (Fig. 1).}

_{94. Travell J, Bigelow NH: Role of somatic trigger areas in the patterns of hysteria. Psychosom Med 9:353–363, 1947.}

_{95. Travell J, Rinzler SH: TTie myofascial genesis of pain. Postgrad Med 17:425–434, 1952.}

_{96. Trommer PR, Gellman MB: Trigger point syndrome. Rheumatism 8:67–72, 1952 (Case 7).}

_{97 Veiersted KB, Westgaard RH: Development of trapezius myalgia among female workers performing light manual work. Scand J Work Environ Health 19:277–283, 1993.}

_{98. Veiersted KB, Westgaard RH, Andersen P: Electromyographic evaluation of muscular work pattern as a predictor of trapezius myalgia. Scand J Work Environ Health 19:284–290, 1993.}

_{99. Webber TD: Diagnosis and modification of headache and shoulder-arm-hand syndrome. JAOA 72-697-710, 1973 (Fig. 28, No. 2).}

_{100. Weed NK: When shoulder pain isn’t bursitis. The myofascial pain syndrome. Postgrad Med 74(3):101–102, 1983.}

_{101. Weiss S, Davis D: The significance of the afferent impulses from the skin in the mechanism of visceral pain. Skin infiltration as a useful therapeutic measure. Am J Med Sci 176:517–536, 1928.}

_{102. Wetzler G: Physical therapy. Chapter 24. In: Diseases of the Temporomandibular Apparatus. Edited by Morgan DH, Hall WP, Vamvas SJ. С. V. Mosby, St. Louis, 1977 (p. 355).}

_{103. Williams HL, Elkins EC: Myalgia of the head. Arch Phys Ther 23:14–22, 1942 (p. 19).}

_{104. Winter Z: Referred pain in fibrositis. Med Rec 157:34–37, 1944.}

_{105. Wyant GM: Chronic pain syndromes and their treatment. 11. Trigger points. Can Anaesth Soc J 26:216–219, 1979 (Case 1, Fig. I).}