Judging whether the shoulder is too wide can not only be based on the shoulder width, but also needs to be compared with the individual's height and pelvic width; If the girl is tall and the overall skeleton belongs to a relatively large type, then the shoulder width of 40 cm is not too wide, but it may be a hanger.
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The measurement of shoulder width is also influenced by many factors, closely related to people's age, height and gender, largely influenced by genetic factors, and also inseparable from personal sports hobbies. If you like sports, your shoulders may be wider than those of the same age and sex.
Whether the figure is standard or not is closely related to the ratio of our waist, buttocks and chest and our respective heights. If you draw a straight line in the center of your body, and then draw two triangles with the hips and chest as the vertices, the triangles on both sides of the middle line are in equal proportion, and there is an intersection point at the waist, you can think that this is an ideal body shape.
Baidu encyclopedia-shoulder width