That led to a predictable " risk off " spasm in other world markets .

这导致全球其它市场出现意料之中的“退出风险”痉挛。

As soon as you feel your thigh in spasm , lie down .

一旦你感觉到大腿抽筋，马上躺下来。

Receptionist : that 's right . But the most dangerous thing is that their legs may spasm out of control when swimming .

服务员：这是对的，但是最危险的是游泳时腿会因抽筋失去控制。

A side stitch is a sharp , intense pain under the lower edge of the ribcage caused by a muscle spasm of the diaphragm .

岔气是一种在胸腔下缘下面的剧烈疼痛，它是由于横隔膜的肌肉痉挛引起的。

No one knows exactly what triggers the diaphragm to spasm , although it 's probably due to stimulation of the nerves connected to the muscle or to a signal from the part of the brain that controls breathing .

隔膜痉挛的起因无从知晓，尽管可能是由于肌肉突然紧张造成的刺激或是来自大脑中控制呼吸的部分。