Figure 4.

Mean baseline and post spinal manipulation L2 paraspinal normalized RMS values (EMG) for both the control and experimental groups during the full flexion phase of the task. *RMS values in the control group significantly increased during the last block of trials. Whiskers indicate standard deviation.

Harvey and Descarreaux BMC Musculoskeletal Disorders 2013 14:92   doi:10.1186/1471-2474-14-92
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