Allowing the thigh to point down at an angle may make it easier to maintain an inward curve in your lower back, which is suggested to reduce low back stress.

  • 让大腿以某个角度向下倾,可以更容易地让下背保持向内弯曲的姿态,据说这样能缓解下背部压力。

  • 互联网摘选 2025-01-20 00:04:29

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