Indicators are divided into three categories: proportion, girth and width.
I. Proportion
1. Head-shoulder ratio
Head-shoulder ratio is the ratio of head height to maximum shoulder width. What if it can be realized? 1:2, then it can be considered as a perfect head-shoulder-bottom ratio.
Most Asians have narrow shoulders. You can calculate your perfect shoulder width according to the length of your head and decide how long your shoulders should be when you buy clothes.
2. Head to body ratio
Head to body ratio = height/head height.
Pay attention not to face height, but to head height.
The total height of the head is not easy to measure. You can stand up straight, straighten your head, put a book on your head, and measure the length from the edge of the book to your chin, which is the head length.
We often hear about nine heads, but in fact, there are basically no nine heads in real life. And it is recognized that the most perfect proportion is not nine bodies, but a large number of eight heads in ancient Greek statues. In fact, except in some parts of Europe, it is difficult to find people with eight heads in life, usually 7.5 heads, and Asian women have an average of 6.95 heads.
3. Ratio of upper body to lower body
The length from the sole of the foot to the navel is divided by the height.
0.56-0.6 is normal for Asians, and less than 0.56 indicates that the upper body is too long.
Taking the navel as the boundary, the ratio of upper body to lower body is 5: 8, which accords with the golden ratio of 0.6 18.
It can be calculated that the position is exactly 0.6 18 from the sole of the foot, and the waist line (trousers, skirt waist and belt) can be placed in this position.
4. Markov trunk leg length index
Because the starting point of thigh is difficult to determine, Mahalanobis trunk leg length index is the most reliable and valuable quantitative index to detect trunk leg ratio.
Leg length index of horse trunk = [(height-sitting height)/sitting height ]× 100.
When measuring the sitting height, make sure that the thighs and calves are at 90 degrees, the feet step on the ground smoothly, and the upper body remains upright.
So whether it is a long leg or not can be accurately known by measuring this index.
5. Sit height index
Another index derived from the above index is called sitting height index, which is used to measure waist type.
Sitting height index = sitting height/height × 100
Second, waist circumference.
6. Chest
Chest circumference in a broad sense is the fullness of the chest or the horizontal circumference of the chest through the nipple point. But for girls, I think it is necessary to know about the upper bust and the lower bust.
Upper bust: measure chest fullness horizontally for one week.
Lower bust: measure the bottom of the chest horizontally for one week.
Measured at the end of expiration and before inhalation.
7.waistline
Hold your breath and measure the thinnest part of your waist horizontally.
Measured at the end of expiration and before inhalation.
8.hip circumference
Put your legs together and measure the fullness of your hips horizontally.
According to the national characteristics of our country, the standard of measurements is generally chest circumference of 84cm, waist circumference of 6 1cm and hip circumference of 90cm.
Because measurement is an absolute statistical value, people can't simply judge a person's fat or thin according to the measurement, so we should introduce the "height measurement index" to indicate whether the measurement of the human body fits or not, and know whether each part of ourselves is slim or plump.
Height and bust index = (bust/height) × 100: the average value of Asian women is 52.35.
Height waist circumference index = (waist circumference/height) × 100: the average of Asian women is 4 1.34.
Height and hip circumference index = (hip circumference/height) × 100: the average value of Asian women is 57.78.
9. Arm circumference
The arm droops naturally, and the circumference of the thickest part of the upper arm is measured horizontally.
10. Leg circumference
Spread your legs apart and measure the circumference of the thickest part of your thigh horizontally.
1 1. Leg circumference
Separate your legs and measure the circumference of the thickest part of your calf horizontally.
In addition, according to the height and leg circumference index, you can know the thickness of your legs.
Height and thigh circumference index = (thigh circumference/height) × 100: the average of Asian women is 33. 17.
Height and calf circumference index = (leg circumference and abdominal circumference/height) × 100: the average of Asian women is 2 1.25.
Third, the width
12. Maximum shoulder width
The horizontal straight line distance between the most prominent parts of the upper arm.
13. Hip width
The horizontal straight line distance between the most prominent parts of the buttocks.
By comparing the height index, we can know the average level.
Height and shoulder width index = (maximum shoulder width/height) × 100: the average of Asian women is 25.63.
Height and hip circumference index = (hip circumference/height) × 100: the average of Asian women is 20.78.
The golden ratio is an irrational number, defined as (√5- 1)/2. It is used in a wide range of fields, such as mathematics, physics, architecture, art and even music. The unique property of golden section is first applied to segment.
If the total length of a line segment is the denominator of the golden ratio plus the unit length of the molecule, if we divide it into two halves, the long one is the denominator unit length and the short one is the molecular unit length, then the ratio of the short line length to the long line length is the golden ratio.
The golden ratio (hereinafter referred to as "golden ratio") is about 0.6 18: 1.