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Table 3 Average (SD) rms electromyographic amplitude (μV) for the sternocleidomastoid (SCM) and splenius muscle at rest and at reference contractions (rest values subtracted) for the chronic WAD (n = 15) and control (n = 15) participants

From: Muscle activity and head kinematics in unconstrained movements in subjects with chronic neck pain; cervical motor dysfunction or low exertion motor output?

 

      Rest

  Reference contractions

Muscle

WAD

Control

WAD

Control

SCM

2.75 (0.26)

2.74 (0.19)

40.12 (17.36)

51.79 (21.61)

Splenius

2.73 (0.69)

2.52 (0.17)

11.42 (5.12)

10.95 (3.24)

  1. There were no statistically significant differences between the groups.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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