This is because modern people sit for long periods of time, and the muscles in the back of the body are always in a locked state, which not only affects various bodily functions, but also increases the risk of lumbar disc herniation.
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This is because modern people sit for long periods of time, and the muscles in the back of the body are always in a locked state, which not only affects various bodily functions, but also increases the risk of lumbar disc herniation.
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