Jeff在他的指导练习中总结到。

Jeff sums up the value in his tutorial.

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用正确的程序性知识指导练习以期达到提高单杠短振屈伸上技术教学效果的目的。

The correct procedural knowledge was used to instruct the practice in order to achieve the technical teaching effect goal of parallel bars.

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专业的调息的方法练习（交替鼻孔呼吸法）需要在有经验医师的指导下进行。 空腹练习为宜。

More advanced methods of pranayama (alternate nostril breathing) need to be practiced with an experienced practitioner. practicing on an empty stomach is preferred.

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