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Muscle strength measuring system and application

A measurement system and muscle strength technology, applied in the field of quantitative muscle strength measurement systems, can solve the problems of large differences among examiners, inaccurate muscle strength assessment, and difficulty in quantitatively assessing muscle strength, etc., to reduce noise and power frequency interference, increase The effect of muscle strength training, the effect of enhancing training motivation

Inactive Publication Date: 2020-11-06
ZHONGSHAN HOSPITAL FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The MMT method is simple to operate and can be applied to the measurement of muscle strength of the whole body, but it is greatly affected by the subjective and objective factors of the examiner and the examinee, and there is a large degree of randomness and uncertainty, and the grading of the evaluation results is relatively rough. Difficult to quantitatively assess muscle strength
In addition, the manual measurement method is not meticulous in the assessment of muscle strength, the difference between different examiners is large, and the measurement of changes in muscle strength lacks sensitivity

Method used

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  • Muscle strength measuring system and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Tester 1 had muscle weakness in the right upper limb, and this system was used for muscle strength measurement. Tester 1 is required to complete the wrist flexion. The completion of the wrist flexion movement needs to mobilize the corresponding wrist flexor dynamic muscles (flexor carpi radialis and palmaris longus innervated by the median nerve and flexor carpi ulnaris innervated by the ulnar nerve) and the synergistic muscle group of wrist flexors (flexor fingers), Indicated by the size S of the shaded area of ​​the histogram.

[0043] First, measure the muscle strength of the healthy side of the tester 1, that is, the left upper limb, and obtain the threshold μ value of the myoelectric energy required for the healthy side to complete the wrist flexion according to the aforementioned method of the system of the present invention;

[0044] Then, test the muscle strength of the right upper limb of tester 1. When the wrist flexor muscles are completely disabled, there wil...

Embodiment 2

[0047] Tester 2's muscle tension increased, and even muscle spasm occurred, which was manifested as the continuous contraction of the muscles under the condition that the tested muscle group was instructed to relax. Through the application of this intelligent muscle strength measurement system, the surface electromyographic signals of the continuous discharge of the tested muscles can be collected, amplified, and transformed, and the original electromyographic signals can be displayed synchronously, which can preliminarily judge the discharge of the muscles. After the analysis and processing of the EMG signal processing analysis and eigenvalue extraction module and the visual feedback module and the eigenvalue extraction, the specific value of the EMG energy of the tested muscle group in the resting state can be obtained, which is convenient for evaluation and comparison. This muscle spasm early warning The measurement can be applied to the formulation of muscle strength traini...

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Abstract

The invention provides a muscle strength measuring system and application. The muscle strength measuring system comprises an electromyographic signal induction type multichannel pad pasting ring, a network wireless sensor, a signal receiver, a multichannel electromyographic signal processing and feature value extracting module and a visual muscle strength numerical value display feedback module, wherein the network wireless sensor is combined to the electromyographic signal induction type multichannel pad pasting ring, and the multichannel electromyographic signal processing and feature valueextracting module is mounted on a computer. The muscle strength measuring system is noninvasive, safe, convenient for collection and easy and feasible to operate, is capable of realizing objective, accurate and visual muscle strength measurement and has instantaneity. The muscle strength measuring system can be applied to the muscle strength measurement and muscle strength training.

Description

technical field [0001] The invention relates to the technical field of muscle strength measurement equipment, in particular to a quantitative muscle strength measurement system. Background technique [0002] Muscle strength refers to the force of voluntary muscle contraction, which is the ability of the human body or a certain part of the body to overcome internal and external resistance when the skeletal muscles work. At present, the most commonly used internationally recognized muscle strength assessment method is the manual muscle testing (MMT for short) proposed by Lovett in 1916. The 6-level muscle strength evaluation method of the force test is divided into 0-V levels according to muscle contraction, anti-gravity and resistance (level 0: complete muscle paralysis, no muscle contraction at all when palpated; level Ⅰ: active muscle contraction level II: can drive joints to move horizontally, but cannot resist gravity; level III: can resist gravity for active joint movem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/22A61B5/0488
CPCA61B5/224
Inventor 汪昕丁晶陈静
Owner ZHONGSHAN HOSPITAL FUDAN UNIV
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