supination
noun [ U ] medical specialized uk/suː.pɪˈneɪ.ʃən/ us/ˌsuː.pəˈneɪ.ʃən/
向上转动（身体部位，如手掌），使仰转
the act of turning the palms of the hands or soles of the feet upward
The most common treatment for this injury involves flexion and supination of the forearm. 对于这种伤病最常见的治疗方法包括使上臂屈伸及仰转。