Inversions can help clear the upper respiratory tract and drain secretions from the nose , allowing freshly oxygenated blood to flow into the oral cavity .

倒置体式能清理上呼吸道，排出鼻腔内的分泌物，让新鲜富氧的血液循环到口腔。

When done correctly , inversions also release tension in the neck and the spine .

当倒立姿势正确时，也可以释放颈部与脊柱的紧张。

We 'll lay a stable foundation for students so they can build the confidence and self-trust to do inversions safely .

我们会为学生铺好基础，使他们能建立起信心，能安全有自信的做好倒立动作。

If a woman gets periods during ovulation , the inversions are administered like medicine .

如出现在排卵期行经的状况,倒立体式无疑是一剂良药.

The males suspected to have induced inversions were later used to build up stocks .

疑有诱发倒位的雄性然后用于建立原种。