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Upper trapezius sites and a representative B-mode image of it. Top image shows the approximate location of four sites of the upper trapezius investigated in this study. Bottom left is a representative B-mode image of an upper trapezius site. The legend, at the bottom right, helps identify the fascia (blue lines) and the upper trapezius (yellow).
Note: Figure is available in full color in the online version at uix.sagepub.com
