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Figure 1 | BMC Musculoskeletal Disorders

Figure 1

From: Altered neuromuscular control mechanisms of the trapezius muscle in fibromyalgia

Figure 1

Experimental setup. Posterior view of a subject, electromyographical electrode device (rectangle), and weight harness. The centre of the electrode-device was placed in the middle of the line between processus spinosus of the C7 vertebra and the lateral edge of acromion. The harness was used to attach weights symmetrically on the shoulders. Subjects performed isometric shoulder elevation such that their shoulders were held in the horizontal plane.

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