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,部和颈部的肌肉通常
收缩,而性高潮时
增高。这些情况
导致大脑中的
管
张,在学术上这种情况被称为“性交性
”。