High-intensity laser therapy (HILT)
HIL was produced by ASA S.r.l.—Italy EN 60825, Nd: YAG laser, with an average power of 10.5 W and wavelength of 1064 nm. All the patients in the HIL group received three HILT sessions per week for three months. The lower back and both hips were scanned by the device by 3000 J; the average fluency was 15–10 J cm