adduction
noun [ U ] medical specialized uk/əˈdʌk.ʃən/ us/əˈdʌk.ʃən/
內收（使身体的某一部分向身体中部或身体另一部分移动）
the movement of a part of the body towards the middle of the body or towards another body part
An abduction pillow is used to prevent adduction of the hip. 外展枕头被用来防止髋关节内收问题。