Elder population has increased in Japan; therefore, caring for the elder and disabled people at home or social welfare facility has increased. Caring for this population has placed a burden on the bodies of the caregivers and problems with their lumbago area has surfaced. According to the investigation in a past, over 70 percents of caregivers who work in welfare facilities and hospital have experienced some problems with their lumbago.
pp.51-56
関川伸哉、勝平純司