Japanese girls have several unsightly leg types: O-type (commonly known as bowleg), X-type (inside the knee and outside the calf) and radish-type (compared with body shape, the calf is unusually thick).

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The above ugly leg shapes are all related to the daily life of Japanese women for generations.

Sitting cross-legged on tatami from childhood, it is easy to form "O-shaped legs" when you grow up.

Kneeling on the tatami from a small dish and turning your legs outwards (commonly known as sitting ducks) is easy to form "X-shaped legs" when you grow up.

Regardless of "cross-legged" or "kneeling posture", the blood circulation of the legs will be affected for a long time, and the child's bone development will also be affected. Over time, it is easy to form a "radish leg."