It is found the suprasternal space should be enclosed by the superficial layer of the deep cervical fasciae and the fasciae of the infrahyoid muscles, rather than the past opinion of the textbook.

得出胸骨上间隙应是由颈深筋膜浅骨下筋膜，不同于以往教科书中描述的由颈深筋膜浅分为两附着于胸骨形。