1. Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
2. Department of Sensorimotor Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
3. Department of Health Sciences, Aomori University of Health and Welfare, Aomori, Japan
4. Department of Analysis and Control of Upper Extremity Function, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
5. Physical Therapy Education, College of Allied Health Professions, University of Nebraska Medical Center, Omaha, NE, USA