Well, cardio can help your body repair muscle damage more quickly because it increases blood flow to various areas of the body. This type of “active recovery” delivers more “raw materials” to the muscles for use and removes the waste products, which results in an all-around quicker recovery period.21 It’s worth noting, however, that these benefits are primarily seen in the legs because most forms of cardio don’t involve the upper body. If you want to boost whole-body recovery, then you would need to do something that gets your upper body working, like a rowing machine, or using your arms to
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