Method and device for measuring human ring section weight

Abstract

The present invention discloses method and device for measuring human ring-joint weight. The measuring method measures human ring-joint weight with weight moment and ring-joint gravitational center radius as parameters, and includes the following steps: 1. measuring at least three kinds of ring-joint postures; 2. calibrating instantaneous rotation center of the measured ring-joint; 3. calculating total gravitational center radius of human body; 4. calculating the gravitational moment of the measured ring-joint; 5. measuring the rink-joint gravitational center radius of the measured ring-joint; and 6. finding out the ring-joint weight and displaying the value. The present invention provides individual human ring-joint measuring method and device and is suitable for measuring human motion ring-joint parameters. The present invention is favorable to the deep research of human motion regulations.

Description

technical field [0001] The invention relates to the field of testing human body parameters, and more specifically relates to a method and equipment for measuring the weight of human body links. Background technique [0002] Generally speaking, the basic physical parameters of the human body include two types: one is to refer to the mass, center of mass position, moment of inertia, and radius of rotation of the human body as a whole and its links as the inertial parameters of the human body; , width and girth are called human shape parameters. Because of its basic position in sports biomechanics, ergonomics and related disciplines, the measurement and research of the basic physical parameters of the human body have been attracting people's attention for a long time. [0003] In the past one hundred years, from the development of autopsy to the measurement of living body, experts and scholars at home and abroad have made unremitting efforts and bold exp...

AI Technical Summary

Problems solved by technology

Even the parameters of human body links provided by living body measurements are limited to normal people, which is not enough to reflect the particularity of special groups of people

[0010] 2) Ignoring the imbalance in the development of the left and right sides of the human body

[0011] 3) Ignoring the actual situation of the human body link movement process

[0012] 4) Neglecting the relativity of human body links and link chains

[0014] 1) Since the measurement requires the tested link to be lifted up vertically, and the end of the tested link stays in the air, it is difficult to control the tested link to remain still during the measurement process, especially for the measurement of the entire lower limb;

[0015] 2) During the measurement process, it is required that the part under test should be fully straightened and at a 90° right angle to the board surface. It is difficult for the subject to complete such an action when measuring the entire lower body part

[0016] 3) When determining the instantaneous rotation center of human body links, it can only be determined according to the geometric center of each joint, and it is difficult to accurately locate

[0017] The above problems are currently difficult to solve by improving the existing one-dimensional balance board, mainly because the above-mentioned disadvantages are caused by the measurement principle of the one-dimensional balance board itself

The current research status of the balance board measurement theory is as follows: on the one hand, experts and scholars from various countries have made a lot of beneficial attempts on the balance board measurement method of the weight parameters of the human body, and have achieved important research results; on the other hand, the current research has not yet been able to Provide a relatively complete measurement solution to meet the needs of human sports and other social practices

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