control group) or the percentage of subjects who had a history of clinical fractures (14.3% in the squat training group versus 21.4% in the control group). A clinical fracture had occurred at the spine and proximal humerus (n=1) in the squat training group and at the spine (n=1) and distal radius (n=3) in the control group. The main locomotive disorders were knee osteoarthritis (n=11) and/or lumbar spondylosis (n=14) in the squat training group and knee osteoarthritis (n=12) and/or lumbar spondylosis (n=11) in the control group