Neurophysiologic effects of spinal manipulation in patients with chronic low back pain

doi:10.1186/1471-2474-12-170

PMC full text:

BMC Musculoskelet Disord. 2011; 12: 170.

Published online 2011 Jul 22. doi: 10.1186/1471-2474-12-170

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Figure 2

Return to: Neurophysiologic Effects of Spinal Manipulation in Patients With Chronic Low Back Pain

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A. The experimental setup for evoking short-latency stretch reflexes from the lumbar paraspinal muscles. B. The tip of the electromechanical tapping apparatus was gradually pressed into the tissue to a pre-load of 30-Newtons was reached at which time the device delivered a rapid mechanical tap to the muscle with a net force of 90-Newtons. C. Representative examples of a short-latency stretch reflex recorded from the lumbar paraspinal muscles in response to a mechanical tap. SA= Stimulus artifact.