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会，性潮血压会。些情况会导致大脑中的血管扩张，在学术上种情况被称为“性交性头痛”。