1. Department of Physical Therapy, Morinomiya University of Medical Sciences, Osaka 559-8611, Japan
2. Department of the Rehabilitation, Oyamadai Orthopedics Clinic Tokyo Arthroscopy Center, Tokyo 158-0082, Japan
3. Department of Rehabilitation, Hokkaido Chitose College of Rehabilitation, Chitose 066-0055, Japan
4. Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan
5. Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata 950-3102, Japan