Jiritsu Shinkei No Mei Ga Oshieru Shuchu Ryoku Switch/ KOBAYASHI HIROYUKI / Cho

БбJiritsu Shinkei No Mei Ga Oshieru Shuchu Ryoku Switch
БбKOBAYASHI HIROYUKI / Cho

 Description

[Machine Translation] The sympathetic nervous system stimulates motivation and the parasympathetic nervous system restores calm. How to obtain "true concentration". The author, who has coached many "first-class" athletes, reveals how to improve performance.

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KOBAYASHI HIROYUKI

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