Fig. 3 Monitoring of electrically evoked biceps muscle contractions by GP-laminate and sEMG. (IMAGE)
Caption
(a) A photo of attaching GP-laminate and sEMG on to the bicep muscle group for skeletal muscle contraction detection. (b) A comparison of the recorded relative resistance changes of the GP-laminate (orange curve) and voltage outputs of the sEMG (black curve), which refers to the muscle action potential, in response to the evoked biceps muscle contractions at different frequencies of 1 Hz (top), 3 Hz (middle) and 5 Hz (bottom). (c) The relative resistance changes of the GP-laminate in response to the evoked biceps muscle contractions when the stimulation intensity was adjusted at 50 mA (top), 20 mA (middle) and 10 mA (bottom). The stimulation frequency was set at 3 Hz. (d) A comparison of peak-to-trough values of the relative resistance changes of the GP-laminate (orange dots), denoted as the ‘absolute △R/R0 GP-laminate’, with the peak-to-peak range changes of the recorded muscle action potential from the sEMG (black dots), denoted as the ‘absolute Voltage sEMG’, in response to the evoked biceps muscle contractions at different stimulation intensities from 6 mA to 50 mA.
Credit
©Science China Press
Usage Restrictions
Use with credit.
License
Original content