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,头部和颈部的肌肉通常会收缩,而性高潮时血压会增高。些情况会导致大脑的血管扩张,在学种情况被称为“性交性头痛”。