Head and neck muscles often tighten during sexual activity, and blood pressure can increase at orgasm, causing blood vessels in the brain to dilate, a condition technically named coital cephalgia.
在性活动中,头部和颈部的肌肉通常收缩,而性高潮时
压
增高。
些情
致大脑中的
管扩张,在学
种情
被称为“性交性头痛”。