一般来说，如果你在做举重、空手道或拳击等运动用力时，你会呼气，然后吸气。
Generally, you exhale on the effort, if doing weights, karate or boxing, and inhale on the return.
大部分是跑步，或者在健身器械上阅读，我做许多器械练习，还有一些仰卧起坐和举重等。
Mostly either running, or I can read on the Stairmaster, so I do the Stairmaster a lot, and then some situps and weights and stuff.
米歇尔通常在完成很费体力的举重、跳绳和跆拳道等例行练习后，进行这套臂膀练习。
The arm exercises come at the end of a punishing workout routine for Mrs Obama which also involves weight training, rope-jumping and kickboxing.
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