Lumbar Belt Benefit Compared to the Usual Care in the Treatment of Non-specific Low Back Pain

"Instruction given to the patient will be to wear the LombaStab belt from 4 to 8 hours per days, over the whole duration of the study (12 weeks). The investigator will explain to the patient how to adjust it.~The LombaStab belt will be equiped with thermosensor to evaluate the belt wearing time at the end of the study."