This is typically due to an uninhibited detrusor muscle that contracts randomly.

这通常是由于不受抑制的逼尿随机缩。

Whatever the mechanism, they found that the ant's jaw muscles had contracted so hard, they'd been irreparably damaged.

无论机制为何，他们发现，蚂蚁颚缩得非常严重，已经受到了不可挽回的损伤。

When the caudofemoralis retracts, it pulls backwards on the leg.

当股缩时，它会向后拉腿。

After the diaphragm contracts, it relaxes, thus decreasing thoracic volume and increasing intrapulmonary pressure.

膈缩后，，而减少胸腔容积并增加肺内压力。

This is followed almost immediately by the sudden closure of the vocal cords and the opening between them, which is called the glottis.

几乎在膈缩的同时，两片声带就开始合拢，关闭它们之间的缝隙。也就是所谓的声门。

It begins with an involuntary spasm or sudden contraction of the diaphragm, the large dome-shaped muscle below our lungs that we use to inhale air.

它开始于一种无意识的痉挛或膈的缩，膈是个大的、圆顶形的肉，位于肺的下方，用于吸入空气。

And it causes an increase in parasympathetic stimulation and decrease in sympathetic stimulation which makes the detrusor muscle contract and the internal sphincter relax.

脊髓反射导致副交感神经兴奋，而交感神经兴奋受到抑制，造成逼尿缩而内扩约。

In a push-off stage, when the ball of your foot pushes off the ground, the quad muscle contracts which creates the force against the ground that propels you forward.

前进阶段，当脚跟离开地面时，股四头缩，在地面上产生推动我们前进的力量。