姿し勢せい反はん射しゃしせいはんしゃMeanings1nounpostural reflexMedical term for automatic adjustments in muscle tone and posture to maintain balance and body position.姿し勢せい反はん射しゃは、転てん倒とうを防ふせぐために重じゅう要ような役やく割わりを果