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，而性潮血压增。情况导致大脑中的血管扩张，在学术上种情况被称为“<span class="key">性交性头痛”。