Table 2 Technical and application parameters of neuromuscular electrical stimulation and low level laser irradiation

 type of current:

pulsed, low frequency, faradic type

type of laser:

low level (low power)

 pulse frequency:

80 Hz

mode/ frequency:

continuous output

 pulse duration:

300 μs

wavelength:

830 nm

 waveform:

square, biphasic

probe:

cluster, 4 semiconducting lasers

 electrodes:

round, self-adhesive, 5 cm diameter

optical output/ power

200 mW

 stimulus ON time:

5 s

energy:

30 J each area

 stimulus OFF time:

15 s

total energy delivered per muscle:

180 J (six areas)

 ramp time:

1.0 s ON / 1.0 s OFF

mode of application:

cluster probe held stationary, skin contact with a slight pressure, 90° angle (0° angle of incidence)

 number of repetitions:

45

 contraction intensity:

level of tolerance (just below pain threshold)