This is otherwise known as a sympathetic nervous system response, or the fight-or-flight reflex.

这也被称为交感神经系统反应，或战斗/逃跑反应。

So, there's a lot going on in your sympathetic responses. And much of it can seem complicated, or even contradictory.

所以，在你的交感反应中发生了很多事情。其中大部分看起来很复杂，甚至是矛盾的。

And, most of the time, our parasympathetic tone is actually dominant, keeping down the caged animal that is your sympathetic response.

而且，大多数时候，我们的副交感神经张力实际上是占主导地位的，你的交感反应压制着你内心的野兽。

We have data showing that music can positively impact performance, drive sympathetic responses, as well as making working out generally more enjoyable.

我们有数据表明，音乐可以正面影响运动表现，激发共鸣，并使锻炼更愉快。