Check for wrist or finger movement, there should be none with back tension.

检查手腕或手指的活动，那不应有背部紧张的情况。

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A doctor can check this for you; you can also monitor it yourself using a finger pulse oximeter, available in medical supply stores.

医生可以作这项检查。也可以自己用指尖脉博血氧仪来自行监测血氧含量，该血氧仪在医药用品商店有售。

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Check for wrist or finger movement, there should be none with back tension. The rhomboid muscles in your back are the workers in this exercise.

检查手腕和手指的移动，它们应该不参与背加力撒放动作。背部菱形肌是背加力撒放的源动力。

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We just used a finger inside the collar of their clothing to check how warm they were.

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When Best Buy began reporting problems, pundits began pointing the finger at showrooming (and that handy little Price Check by Amazon app).

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