下颌前移后，舌骨向前上移动的方向和距离是治疗OSAHS成功的一个观测点。

After submaxilla antedisplacement, direction and distance of hyoid bone is a view point of curing OSAHS patients.

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得出胸骨上间隙应是由颈深筋膜浅层和舌骨下肌筋膜围成，而不同于以往教科书中描述的由颈深筋膜浅层分为两层附着于胸骨形成。

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.

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目的：为喉部分切除术后采用肩胛舌骨肌上腹修复声带术式的可行性提供解剖学依据。

Objective:In order to provide anatomical basis for renovating vocal fold with muscle bone flap of hyoideum omohyoid.

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