Table 5.

Schedule of combined NMES training.

Combined NMES Training	Week	Duration	Frequency and Pulse	Intensity	Pre-Load	Load
Quadriceps	1–8 w (3/w)	18′	75 Hz Rectangular biphasic waves (400 µs)	Maximum tolerable intensity corresponded to the individual’s pain threshold	5′ pedaling	40 contractions of 6.25 s (rise time 1.5 s, steady time 4 s, fall time 0.75 s)
Lumbar paraspinal muscles	1–8 w (3/w)	15′	50 Hz Symmetrical biphasic waves (300 µs)		5′ pedaling	45 contractions of 10 s (rise time 1 s, steady time 8 s, fall time 1 s)