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J Neurol Neurosurg Psychiatry. Dec 1980; 43(12): 1112–1118.
PMCID: PMC490784

Reflex responses of paraspinal muscles to tapping


Erector spinae reflex studies in healthy subjects revealed two responses: a 12·0±1·6 ms latency, oligosynaptic response, and a 30 to 50 ms latency response with polysynaptic reflex characteristics. There was a silent period after the first and second responses. The effect of limb position, trunk, neck, postural changes, Jendrassik manoeuvre and vibration on both responses were also evaluated.

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Selected References

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