1. Laboratory of Human Evolutionary Biomechanics, Department of Biological Sciences, Graduate School of ScienceThe University of Tokyo Tokyo Japan
2. Japan Society for the Promotion of Science Tokyo Japan
3. Second Division of Physical Therapy, School of Health SciencesSapporo Medical University Sapporo Japan
4. Department of Orthopedic Surgery, School of MedicineSapporo Medical University Sapporo Japan
5. Center of Sports MedicineHokkaido Obihiro Kyokai Hospital Obihiro Japan