CN109620234B - Cardiorespiratory endurance test method based on incremental load reentry exercise and oxygen uptake - Google Patents

Cardiorespiratory endurance test method based on incremental load reentry exercise and oxygen uptake Download PDF

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CN109620234B
CN109620234B CN201811557447.3A CN201811557447A CN109620234B CN 109620234 B CN109620234 B CN 109620234B CN 201811557447 A CN201811557447 A CN 201811557447A CN 109620234 B CN109620234 B CN 109620234B
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丁萌
王翔宇
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Abstract

本公开公开了基于递增负荷折返走运动和摄氧量的心肺耐力测试方法，包括：步骤(1)：测量若干个受试者的身高和体重；每个受试者进行递增负荷的折返走运动，统计每个受试者的行走总距离；测量每个受试者所对应的最大摄氧量；步骤(2)：利用每个受试者的行走总距离、受试者身高、体重与最大摄氧量建立多元回归方程；步骤(3)：利用最小二乘法对多元回归方程的回归系数进行求解，得到评估模型；步骤(4)：获取新的受试者的身高、体重和折返走运动结束时行走总距离；将获取的新的受试者的身高、体重和折返走运动结束时行走总距离输入到评估模型中；输出的最大摄氧量作为心肺耐力测试的指标。

Figure 201811557447

The present disclosure discloses a cardiorespiratory endurance test method based on reentry walking exercise with increasing load and oxygen uptake, including: step (1): measuring the height and weight of several subjects; each subject performs reentry walking exercise with increasing load , count the total walking distance of each subject; measure the maximum oxygen uptake corresponding to each subject; Step (2): use the total walking distance, subject height, weight and maximum oxygen uptake of each subject Establish a multiple regression equation for oxygen uptake; step (3): use the least squares method to solve the regression coefficient of the multiple regression equation to obtain an evaluation model; step (4): obtain the height, weight and reentry walking exercise of the new subject The total walking distance at the end; the acquired height, weight and total walking distance of the new subject at the end of the reentry walking exercise were input into the evaluation model; the output VO2 max was used as the index of the cardiorespiratory endurance test.

Figure 201811557447

Description

Cardiopulmonary endurance test method based on incremental load reentry walking movement and oxygen uptake
Technical Field
The present disclosure relates to a cardiopulmonary endurance test method based on incremental load reentry walking motion and oxygen uptake.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The heart and lung endurance measurement of patients with chronic obstructive pulmonary diseases has two modes, namely direct measurement and indirect measurement, the direct measurement is most accurate, the tested patients need to do extreme exercise according to the symptom self-limiting principle, the exercise risk is large when doing extreme exercise due to physical reasons, special test instruments such as a treadmill or a power bicycle are needed, the operation is complicated, the equipment cost is high, and a plurality of indirect measurement modes appear.
The existing indirect measurement method does not need special sports equipment such as a treadmill or a power bicycle, but still needs a physiological index measuring instrument to measure indexes such as blood pressure, heart rate and the like. The method also has certain requirements on test sites, and the test mode is not flexible and simple enough.
Disclosure of Invention
In order to solve the defects of the prior art, the present disclosure provides a cardiopulmonary endurance test method based on incremental load retracing movement and oxygen uptake, which predicts the maximum oxygen uptake of an individual with chronic obstructive pulmonary disease through the incremental load retracing movement, and predicts the cardiopulmonary endurance level through the height, the weight and the total retracing distance of the individual with chronic obstructive pulmonary disease under the condition that various test instruments are insufficient. The implementation rate of the cardiopulmonary endurance test of chronic obstructive pulmonary disease patients is improved, reference is provided for prognosis and treatment effect evaluation of the patients, and a foundation is laid for national fitness and personal lifelong sports.
The present disclosure provides a cardiopulmonary endurance test method based on incremental load reentry walking motion and oxygen uptake;
a cardiopulmonary endurance test method based on incremental load reentry walking motion and oxygen uptake comprises the following steps:
step (1): measuring height and weight of a number of subjects; each subject performs the back-turning walking motion with increasing load, and the total walking distance of each subject is counted; measuring a maximum oxygen uptake for each subject;
step (2): establishing a multiple regression equation by using the total walking distance, the height, the weight and the maximum oxygen uptake of each subject;
and (3): solving the regression coefficient of the multiple regression equation by using a least square method to obtain an evaluation model;
and (4): acquiring the height and the weight of a new subject and the total walking distance when the back-turning walking motion is finished; inputting the obtained height and weight of the new subject and the total walking distance at the end of the back-turning walking motion into an evaluation model; the output maximum oxygen uptake is used as an index of the cardiopulmonary endurance test.
Further, the measuring the height and the weight of the plurality of subjects is to obtain the height and the weight of the subjects by using a weighing machine.
Further, each subject performs a reentry walking motion with increasing load: the subject walks on a section of road with the length of s, the time limit of each grade of the incremental load is set as T, the first grade walks for n single passes, and the number of walking single passes of the (i + 1) th grade is increased by m single passes on the number of single passes of the (i) th grade.
Further, the total walking distance of each subject is counted as:
Figure BDA0001912335730000021
wherein, N is the number of the completed grades, t is the time used by the last unfinished grade, and the unit is second.
Further, the maximum oxygen uptake corresponding to each subject is measured by a power bicycle or a treadmill.
Further, the concrete steps of establishing the multiple regression equation by using the total walking distance, the height, the weight and the maximum oxygen uptake amount of the subject are as follows:
y＝B0+B1X1+B2X2+B3X3
wherein, X1Is height and X2Is body weight, X3For total distance traveled, B0Is a constant term, B1、B2、B3Is a regression coefficient; y is the maximum oxygen uptake.
Further, the least square method is used for solving the regression coefficient of the multiple regression equation, and the parameters are obtained by solving the equation set through the least square method and the Gaussian elimination method: b is1、B2、B3And B0。
Furthermore, the subjects in the step (1) are patients with chronic obstructive pulmonary diseases, all the subjects meet the diagnosis standard of chronic obstructive pulmonary disease diagnosis and treatment guidance set forth by respiratory disease society of the Chinese medical society in 2007, and the patients have no symptoms of pulmonary infection within about 2 weeks, do not need oxygen inhalation treatment, and simultaneously exclude diseases of the nerve system and the muscle system.
Compared with the prior art, the beneficial effect of this disclosure is:
the heart and lung endurance level of an individual with obstructive pulmonary disease is predicted by the height, the weight and the total distance of the turn-back walking of the individual without expensive exercise testing instruments and physiological and biochemical index testing instruments under the condition of small limitation of the field size. The implementation rate of the cardiopulmonary endurance test of patients with chronic obstructive pulmonary diseases is improved, and reference is provided for prognosis and treatment effect of the patients.
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The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a test flow diagram of an embodiment of the present invention;
fig. 2 is a layout diagram of a folding walking field.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, a cardiopulmonary endurance test method based on incremental load reentry walking exercise and oxygen uptake, comprising:
s101: measuring height and weight of a number of subjects;
s102: each subject performed a reentry walking motion with increasing load: the subject walks on a section of road with the length of s, the time limit of each grade of the incremental load is set as T, the first grade walks for n single passes, and the number of walking single passes of the (i + 1) th grade is increased by m single passes on the number of single passes of the (i) th grade;
s103: measuring a maximum oxygen uptake for each subject;
s104: establishing a multiple regression equation by using the total walking distance, the height, the weight and the maximum oxygen uptake of each subject;
s105: solving the regression coefficient of the multiple regression equation by using a least square method to obtain an evaluation model;
s106: acquiring the height and the weight of a new subject and the total walking distance when the back-turning walking motion is finished; inputting the obtained height and weight of the new subject and the total walking distance at the end of the back-turning walking motion into an evaluation model; the output maximum oxygen uptake is used as an index of the cardiopulmonary endurance test.
Further, in the step S101, a weight scale is used to obtain the height and the weight of the subject; all subjects meet the diagnosis standard of chronic obstructive pulmonary disease diagnosis and treatment guideline set by respiratory disease society of Chinese medical society in 2007, and the patients have no pulmonary infection symptom within nearly 2 weeks, do not need oxygen inhalation treatment, and exclude diseases of the nerve and muscle system.
Further, the step S102 performs a back-and-forth walking motion with an increasing load:
(1) as shown in FIG. 2, a section of a flat road surface with a length of 20m is selected, and two parallel line segments with a length of 20m are drawn at a distance of 1 m. Every 0.5m is marked with one transverse line, 21 transverse lines are marked totally, and two parallel line segments are divided into 20 squares. The back-turning walking movement of the incremental load is carried out according to the preset signal sound, the signal sound is carried out once, the testee takes one step, and the step length of each step cannot be smaller than the length of the square. The time of each grade of the load adopted by the invention is 1min, the number of the first grade of the load returning and single-pass walking is 2 times, and each grade is increased by 1 single-pass. For example, the number of single return and walking times of the first five grades of the invention is respectively 2, 3, 4, 5 and 6, the frequency of the signal sound is increased by grades, and the sound frequency of each grade is the same as the number of squares required to walk by the grade.
(2) The specific standard is as follows:
starting signal: the starting signal is a triple sound electronic sound "
Folding back signals: the return signal is also triple sound electronic sound beep "
Thirdly, the walking signal is a single sound electronic sound "
If the testee reaches the end line before the return signal is sounded, the testee needs to wait in situ, and then continues to move after the return signal is sounded
(3) Stopping standard:
firstly, a subject has difficulty in breathing and cannot walk continuously according to the rhythm of signal sound;
secondly, after turning back the signal sound, the distance between the testee and the end line in front of the body exceeds 1 meter (two squares);
thirdly, the body strength is not supported and the continuous movement cannot be continued through repeated encouragement;
fourthly, symptoms such as dyspnea, nausea, dizziness, tinnitus, chest pain, extreme fatigue and the like appear;
when any one of the termination standards appears, the movement is immediately stopped;
further, the total walking distance calculation formula is as follows:
Figure BDA0001912335730000041
wherein, N is the number of the completed grades, t is the time used by the last unfinished grade, and the unit is second.
S103: measuring the maximum oxygen uptake corresponding to the end of the back-turning walking motion of the testee;
the subject wears a heart and lung function telemeter and measures the maximum oxygen uptake amount through a power bicycle.
Further, the concrete steps of establishing the multiple regression equation by using the total walking distance, the height, the weight and the maximum oxygen uptake amount of the subject are as follows:
y＝B0+B1X1+B2X2+B3X3
wherein, X1Is height and X2Is body weight, X3For total distance traveled, B0Is a constant term, B1、B2、B3Is a regression coefficient; y is the maximum oxygen uptake.
Further, the least square method is used for solving the regression coefficient of the multiple regression equation, and the parameters are obtained by solving the equation set through the least square method and the Gaussian elimination method: b is1、B2、B3And B0Obtaining the whole equation of y ═ B0+B1X1+B2X2+B3X3. Can be adjusted according to height and bodyThe individual maximum oxygen intake of the obstructive pulmonary disease patient is predicted by the total distance of the reentry and reentry.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (6)

1.一种基于递增负荷折返走运动和最大摄氧量的心肺耐力测试方法，其特征是，包括：1. a cardiorespiratory endurance test method based on incremental load reentry exercise and maximum oxygen uptake, is characterized in that, comprises: 步骤(1)：测量若干个受试者的身高和体重；每个受试者进行递增负荷的折返走运动，统计每个受试者的行走总距离；测量每个受试者所对应的最大摄氧量；Step (1): Measure the height and weight of several subjects; each subject performs reentry walking with increasing load, and counts the total walking distance of each subject; Measure the maximum corresponding to each subject. oxygen uptake; 步骤(2)：利用每个受试者的行走总距离、受试者身高、体重与最大摄氧量建立多元回归方程Step (2): Use the total walking distance of each subject, subject's height, weight and VO2 max to establish a multiple regression equation y＝B0+B1X1+B2X2+B3X3 y=B 0 +B 1 X 1 +B 2 X 2 +B 3 X 3 其中，X1为身高、X2为体重、X3为行走总距离，B0为常数项，B1、B2、B3为回归系数；y为最大摄氧量；Among them, X 1 is height, X 2 is weight, X 3 is total walking distance, B 0 is a constant term, B 1 , B 2 , and B 3 are regression coefficients; y is maximum oxygen uptake; 步骤(3)：对多元回归方程的回归系数进行求解，得到评估模型；Step (3): solving the regression coefficient of the multiple regression equation to obtain an evaluation model; 步骤(4)：获取新的受试者的身高、体重和折返走运动结束时行走总距离；将获取的新的受试者的身高、体重和折返走运动结束时行走总距离输入到评估模型中；输出的最大摄氧量作为心肺耐力测试的指标；Step (4): Obtain the height, weight, and total walking distance of the new subject at the end of the reentry exercise; input the acquired height, weight and total walking distance of the new subject at the end of the reentry exercise into the evaluation model Medium; output VO2 max as an indicator of cardiorespiratory endurance test; 所述每个受试者进行递增负荷的折返走运动包括：受试者在一段长为s的路段上行走，设定递增负荷每个等级的限时为T，首个等级行走n个单程，第i+1个等级的行走单程数是在第i个等级的单程数上增加m个单程。The step-by-step reentry exercise performed by each subject includes: the subject walks on a road section with a length of s, setting the time limit for each level of the incremental load as T, walking n one-way trips at the first level, The number of one-way walking at the i+1 level is the addition of m one-way to the number of one-way walking at the i-th level. 2.如权利要求1所述的方法，其特征是，所述测量若干个受试者的身高和体重，是采用体重计测量受试者的身高和体重。2. The method of claim 1, wherein the measuring the heights and weights of several subjects is to measure the heights and weights of the subjects by using a scale. 3.如权利要求1所述的方法，其特征是，当取s＝20m，T＝1min，n＝2，m＝1时，所述每个受试者的行走总距离：3. The method of claim 1, wherein, when taking s=20m, T=1min, n=2, m=1, the total walking distance of each subject:
Figure FDA0002905794870000011
Figure FDA0002905794870000011
 其中，N为已经完成的等级个数，t为最后未完成等级所用时间，单位是秒。Among them, N is the number of levels that have been completed, and t is the time taken for the last unfinished level, in seconds. 4.如权利要求1所述的方法，其特征是，所述测量每个受试者所对应的最大摄氧量，是采用功率自行车或跑步机测量。4. The method of claim 1, wherein the measurement of the maximum oxygen uptake corresponding to each subject is measured by a power bicycle or a treadmill. 5.如权利要求1所述的方法，其特征是，通过最小二乘法和高斯消元法解方程组得参数：B1、B2、B3和B0。5 . The method of claim 1 , wherein the parameters: B 1 , B 2 , B 3 and B 0 are obtained by solving the equation system by least square method and Gaussian elimination method. 6 . 6.如权利要求1所述的方法，其特征是，所述步骤(1)的受试者均为慢性阻塞性肺部疾病患者，所有的受试者均符合中华医学会呼吸病学会慢性阻塞性肺疾病学组2007年拟定《慢性阻塞性肺疾病诊治指南》诊断标准，患者近2周内无肺部感染症状，无需吸氧治疗，同时排除外神经及肌肉系统疾病。6. method as claimed in claim 1, is characterized in that, the experimenter of described step (1) is chronic obstructive pulmonary disease patient, and all experimenters meet the chronic obstructive disease of Chinese Medical Association Respiratory Disease Society In 2007, the Sexual Pulmonary Diseases Group formulated the "Guidelines for the Diagnosis and Treatment of Chronic Obstructive Pulmonary Diseases" diagnostic criteria. Patients have no symptoms of pulmonary infection within the past 2 weeks, and do not need oxygen therapy. At the same time, diseases of the external nervous and muscular systems are excluded.
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