2, walking outside the eight characters is not only unsightly, but also very harmful to bones. Walking in this posture will make people's center of gravity deviate, the stress on the inside of the sole is too large, and the pressure on the knee will also increase. After a long time, the knee will feel pain, which will seriously cause X leg. In turn, it will cause damage to pelvis and lumbar spine.
Walking outside the eight characters will bring a lot of harm to the body, not only the bones, but also the muscles. Walking with splayed feet will cause uneven stress on the muscles, and the calf muscles will be in a state of fatigue for a long time, which is easy to be injured and strained.