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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: J Neural Eng. 2009 Nov 9;6(6):066005. doi: 10.1088/1741-2560/6/6/066005

Figure 3.

Figure 3

Pulse width modulation recruitment with a pulse amplitude of 0.3 mA from subject 3. (A) Stimulation on channel 4. Sartorius was recruited to 65% activation before any other muscle reached threshold. (B) Stimulation on channel 3. Rectus femoris was recruited to 34% activation before any other muscle reached threshold but to 68% if 20% activation of other muscle was allowed. This was defined as preferential activation. Error bars show the standard deviation of each set of three twitches.