求翻译：Provided there are no medical issues you can reduce the discomfort with a counter stretch between sets. Kneel on a reasonably soft surface such as grass, a mat, or a carpet. Flex your wrists, lock out your elbows, and place your hands on the deck, the palms up and the fingers facing back. Carefully lean forward and stretch your wrists for five seconds. Repeat for a couple of sets.是什么意思？

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