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. Author manuscript; available in PMC: 2012 Oct 10.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2010 Sep 2;18(6):658–665. doi: 10.1109/TNSRE.2010.2071882

Fig. 4.

Fig. 4

Muscle force recordings from bipolar high-frequency onset burst trials. (a) Typical onset response for an electrode with a bipolar separation distance of 4.0 mm at 100% block threshold. (b) Typical onset response for an electrode with a bipolar separation distance of 0.5 mm at 200% block threshold. (c) Extreme onset response for an electrode with a bipolar separation distance of 4.0 mm at 100% block threshold. (d) Extreme onset response for an electrode with a bipolar separation distance of 0.5 mm at 200% block threshold.