If in doubt about what accessory or how much of it to include, opt for the simple solution: use as little as possible.
如果有疑问或什么配件多少它包括,选择简单的解决办法:使用尽可能少。
This posture stabilizes the upper chest and shoulders, making it easier to use the accessory breathing muscles
这种体态使上胸和肩稳定,从而更容易使用副呼吸肌。
使用正确的工具附件。
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