Fig. 3From: Monopolar surface electromyography: a better tool to assess motoneuron excitability upon passive muscle stretchingHmax/Mmax ratio. Mean ± SE (n = 12) at the bipolar sEMG (a) and the ordinary monopolar sEMG (b). Abbreviations are the same as in Fig. 2. *P < 0.001, **P = 0.028Back to article page