I just got told:

> 背高いし運動神経良さそう

Apparently 運動神経 means [motor
nerve](https://en.wikipedia.org/wiki/Motor_nerve): [![enter image description
here](https://i.stack.imgur.com/C330Fm.jpg)](https://i.stack.imgur.com/C330Fm.jpg)

What does `運動神経が良い` mean in this context? The conversation was about swimming,
not something where reflexes are that important I believe.
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2016-06-02T08:51:45.110
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definitions
Meaning of 運動神経が良い
In this context it does not have much to do with reflexes or nerves.

It just means "good at sports".

References:

  * [運動神経が良い 【形】 sportistic](http://eow.alc.co.jp/search?q=%E9%81%8B%E5%8B%95%E7%A5%9E%E7%B5%8C%E3%81%8C%E8%89%AF%E3%81%84)
  * [運動神経: スポーツや技能などを巧みにこなす能力](http://dictionary.goo.ne.jp/jn/21629/meaning/m0u/)
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2016-06-02T09:08:37.567
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I believe it's also a common way to express "gifted at sport(nerve)". Since
it's mainly talking about physical capacity as talent.
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2017-12-14T22:31:28.490
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> A motor nerve is a nerve that carries command information out of the central
> nervous system (CNS) and toward effectors (muscles or glands) that will
> execute the commands.

Even if we take this definition literally, I think the expression ”運動神経が良い” is
not too off. If we take motor nerve is good as transmitting information
efficiently from CNS to muscles efficiently, I think it applies to real
movement in sports.
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2017-12-14T22:49:39.280
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> 運動神経 = motor nerves, reflexes
>
> 運動神経がいい = motor nerves, reflexes are good

Speaking of physical abilities, if your motor abilities or reflexes are good,
chances are that you're the athletic type. It does take a good amount of
reflex and reaction whenever playing a sport, especially for competition's
sake.
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