Neural Response During a Mechanically Assisted Spinal Manipulation in an Animal Model: A Pilot Study

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J Nov Physiother Phys Rehabil. Author manuscript; available in PMC 2015 Nov 25.

Published in final edited form as:

J Nov Physiother Phys Rehabil. 2015 Sep; 2(2): 20–27.

Published online 2015 Apr 6.

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Figure 2

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Recordings from 2 muscle spindle afferents in response to mechanically-assisted spinal manipulation (setting 1) with applied peak forces of 116.6N (A) and 121.8N (B). In Afferent 1, there was a 2.89s cessation of spindle discharge immediately following the manipulative thrust and slightly reduced resting discharge for at least 20s after the thrust. In Afferent 2, there was no cessation of discharge following the thrust and near immediate return of resting spindle discharge frequency despite similar peak thrust forces being delivered to the two afferents.