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Figure 3 | Journal of NeuroEngineering and Rehabilitation

Figure 3

From: Whole body oxygen uptake and evoked knee torque in response to low frequency electrical stimulation of the quadriceps muscles: V O 2 frequency response to NMES

Figure 3

Group mean pulmonary responses and torque functions. Group mean (SEM) for the following responses as a function of stimulation frequency: (a) Additional V . O 2 over resting levels for the last 60 seconds of each bout, (b) peak torque T, (c) integral of torque, TTI, (d) integral of torque development, dTTI, (e) breathing frequency, Rf , (f) ventilation, V . E (g) ventilation equivalent for oxygen, V . E / V . O 2 .

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