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Table 6 Average (SD) stimulation amplitude for quadriceps, hamstrings and gluteals, and Rates of Perceived Exertion (RPE) for each participant across all training sessions

From: The effects of FES cycling combined with virtual reality racing biofeedback on voluntary function after incomplete SCI: a pilot study

ParticipantStimulation AmplitudeRates of Perceived Exertion (RPE)
QuadricepsHamstringsGlutealsLapsFree cycling
15.0 (1.4)7.5 (0.6)4.1 (0.2)13.0 (0.4)12.6 (1.4)
23.3 (0.6)3.9 (1.1)4.8 (1.0)14.3 (0.9)14.6 (1.8)
44.3 (0.6)4.1 (0.3)4.7 (0.5)16.1 (1.1)16.5 (0.8)
58.7 (0.6)8.8 (0.4)8.6 (0.6)13.4 (0.8)14.5 (1.2)
62.9 (0.4)2.5 (0.3)2.5 (0.3)12.2 (0.8)14.2 (0.6)
72.4 (0.4)2.7 (0.4)0.0 (0.0)11.6 (0.6)13.3 (0.5)
94.9 (0.5)5.4 (0.9)3.4 (0.6)12.3 (0.4)12.5 (0.5)
105.3 (1.0)4.7 (0.8)3.8 (0.7)13.0 (0.5)13.3 (0.8)
125.9 (1.6)5.4 (1.4)7.4 (1.0)9.5 (0.6)13.3 (0.8)
133.6 (1.2)3.8 (1.2)4.8 (1.7)11.2 (0.8)13.2 (0.9)
152.9 (0.3)2.3 (0.5)2.5 (0.4)13.5 (0.9)16.1 (1.4)
  1. Stimulation amplitude is provided on an arbitrary scale (0–9), which represents 0-115 mA into a 1 k ohm load.