小腿綁帶對(duì)全身振動(dòng)訓(xùn)練中大腿部表面肌電信號(hào)的影響
發(fā)布時(shí)間：2019-02-13 08:57
【摘要】：研究目的:探究在全身振動(dòng)訓(xùn)練過(guò)程中,受試者小腿部綁帶(施加150mm Hg的壓強(qiáng),限制小腿肌肉的活動(dòng))后,對(duì)其大腿部股內(nèi)側(cè)肌和股外側(cè)肌的表面肌電信號(hào)的影響情況,通過(guò)對(duì)比大腿部表面肌電信號(hào)在小腿部綁帶前后的變化來(lái)驗(yàn)證振動(dòng)反射的發(fā)生。研究方法:實(shí)驗(yàn)前隨機(jī)選取3名實(shí)驗(yàn)對(duì)象做大腿股內(nèi)側(cè)肌和股外側(cè)肌的最大自主收縮,采集表面肌電信號(hào)。10名健康男性實(shí)驗(yàn)對(duì)象,年齡(25.50±0.52歲),身高(173.60±5.10cm),體重(69.40±8.11kg),實(shí)驗(yàn)對(duì)象下肢無(wú)傷病史,在實(shí)驗(yàn)開始前三天無(wú)劇烈運(yùn)動(dòng),以消除對(duì)實(shí)驗(yàn)結(jié)果產(chǎn)生影響。受試者分別在不振動(dòng)不綁帶、振動(dòng)不綁帶、不振動(dòng)綁帶、振動(dòng)綁帶四種實(shí)驗(yàn)條件下直立于振動(dòng)平臺(tái)上(振動(dòng)平臺(tái)頻率為10Hz,適用于肌肉放松訓(xùn)練),測(cè)試股內(nèi)側(cè)肌和股外側(cè)肌的加速度信號(hào)和表面肌電信號(hào),以及足跟部和振動(dòng)平臺(tái)的加速度信號(hào)。加速度信號(hào)的處理過(guò)程為直接分別對(duì)加速度信號(hào)在三軸方向上作快速傅立葉變換得到三軸方向上的加速度頻譜圖,求出在人體解剖學(xué)垂直軸和水平面上的振動(dòng)能量百分比;另外再對(duì)加速度信號(hào)依次作去直流、一次積分、二次積分、快速傅立葉變換處理,再平方求得振動(dòng)在頻率為10Hz的振動(dòng)相對(duì)能量、總的振動(dòng)相對(duì)能量和頻率為10Hz的振動(dòng)能量占總的振動(dòng)能量的百分比。肌電信號(hào)的處理過(guò)程為濾波(二階帶通butter濾波,通帶為10-400Hz)、移除平均值、整流、截段,最后求積分肌電值。分別對(duì)振動(dòng)不綁帶和振動(dòng)綁帶實(shí)驗(yàn)條件下振動(dòng)平臺(tái)、足跟、股內(nèi)側(cè)肌和股外側(cè)肌四個(gè)部位的頻率為10Hz的振動(dòng)相對(duì)能量、總的振動(dòng)相對(duì)能量、10Hz的振動(dòng)能量占總的振動(dòng)能量的百分比采用單因素方差分析進(jìn)行統(tǒng)計(jì)分析;分別對(duì)股內(nèi)側(cè)肌和股外側(cè)肌綁帶前后的10Hz的振動(dòng)能量在人體垂直軸上的百分比、10Hz的振動(dòng)能量人體水平面上的百分比、10Hz的振動(dòng)相對(duì)能量、總的振動(dòng)相對(duì)能量、10Hz的振動(dòng)能量占總的振動(dòng)能量的百分比采用配對(duì)樣本t檢驗(yàn)進(jìn)行統(tǒng)計(jì)分析;分別對(duì)股內(nèi)側(cè)肌和股外側(cè)肌在四種實(shí)驗(yàn)條件下股內(nèi)側(cè)肌和股外側(cè)肌的表面肌電信號(hào)的積分肌電值采用隨機(jī)區(qū)組雙因素方差分析進(jìn)行統(tǒng)計(jì)分析;分別對(duì)股內(nèi)側(cè)肌和股外側(cè)肌綁帶振動(dòng)時(shí)表面肌電信號(hào)積分肌電值與頻率為10Hz的振動(dòng)相對(duì)能量、表面肌電信號(hào)積分肌電值與總的振動(dòng)相對(duì)能量采用皮爾森雙變量相關(guān)性分析對(duì)實(shí)驗(yàn)相關(guān)數(shù)據(jù)進(jìn)行統(tǒng)計(jì)分析。研究結(jié)果:全身振動(dòng)訓(xùn)練過(guò)程中,受試者小腿部無(wú)論綁帶還是不綁帶,振動(dòng)平臺(tái)頻率為10Hz的振動(dòng)能量主要集中人體垂直軸方向上,足跟部位、股內(nèi)側(cè)肌和股外側(cè)肌這三個(gè)部位的頻率為10Hz在人體垂直軸振動(dòng)方向的能量和在人體水平面內(nèi)振動(dòng)方向的能量大約各占一半;股內(nèi)側(cè)肌和股外側(cè)肌的頻率為10Hz的振動(dòng)能量和總的振動(dòng)能量與振動(dòng)平臺(tái)處相比,都會(huì)升高,但是頻率為10Hz的振動(dòng)能量占總的振動(dòng)能量的百分比基本是保持不變的。全身振動(dòng)訓(xùn)練過(guò)程中,受試者小腿部綁帶和不綁帶相比,股內(nèi)側(cè)肌和股外側(cè)肌頻率為10Hz的振動(dòng)在人體垂直軸振動(dòng)方向的能量與水平面內(nèi)振動(dòng)方向的能量的百分比不會(huì)發(fā)生明顯改變;股內(nèi)側(cè)肌和股外側(cè)肌頻率為10Hz的振動(dòng)相對(duì)能量和總的振動(dòng)相對(duì)能量都會(huì)上升;股內(nèi)側(cè)肌和股外側(cè)肌表面肌電信號(hào)積分肌電值也都會(huì)上升。全身振動(dòng)訓(xùn)練過(guò)程中,受試者小腿部綁帶,股內(nèi)側(cè)肌的表面肌電積分肌電值與頻率為10Hz的振動(dòng)相對(duì)能量存在顯著相關(guān)性(R=0.69,p=0.03),與總的振動(dòng)相對(duì)能量也存在顯著相關(guān)性(R=0.68,P=0.03);股外側(cè)肌的表面肌電積分肌電值與頻率為10Hz的振動(dòng)相對(duì)能量和總的振動(dòng)相對(duì)能量都未發(fā)現(xiàn)顯著性相關(guān)。研究結(jié)論:全身振動(dòng)訓(xùn)練過(guò)程中,在小腿部綁帶,可以提高大腿部股內(nèi)側(cè)肌和股外側(cè)肌的肌肉活動(dòng)度,為全身振動(dòng)訓(xùn)練過(guò)程中受試者通過(guò)小腿部綁帶來(lái)提高股內(nèi)側(cè)肌和股外側(cè)肌放松訓(xùn)練效果提供理論依據(jù)。
[Abstract]:The purpose of the study was to investigate the effect of the electrical signal on the surface electromyographic signals of the medial and lateral muscles of the thigh section of the thigh after the application of the pressure of 150 mm Hg and the limitation of the activity of the lower leg muscles during the whole body vibration training. the occurrence of vibration reflection is verified by comparing the change of the electrical signal of the surface of the large leg to the front and back of the small leg band. Methods: Three experimental subjects were randomly selected to make the maximum self-contraction of the medial and lateral muscles of the thigh, and the electrical signals of the surface were collected. 10 healthy male subjects, age (25. 50, 0. 52 years), height (173.60/ 5. 10cm), and body weight (69. 40, 8. 11kg), were randomly selected. There was no history of injury and injury in the lower limbs of the experimental object. There was no strenuous exercise in three days before the start of the experiment to eliminate the effect on the experimental results. the subject is upright on the vibration platform under the four experimental conditions of the non-vibration non-binding band, the vibration non-binding band, the non-vibration band and the vibration band (the frequency of the vibration platform is 10Hz, is suitable for muscle relaxation training), and the acceleration signals and the surface electromyographic signals of the medial and lateral muscles of the thigh are tested, and an acceleration signal of the heel part and the vibration platform. the processing process of the acceleration signal is to directly carry out fast Fourier transform on the acceleration signal in the three-axis direction to obtain the acceleration spectrum graph in the three-axis direction, and the percent of the vibration energy on the vertical axis and the horizontal plane of the human anatomy is obtained; In addition, the acceleration signal is sequentially subjected to a direct current, one-time integral, a second integration, a fast Fourier transform process, and then the relative energy of the vibration at the frequency of 10Hz is obtained by the square, and the total vibration relative energy and the vibration energy with the frequency of 10Hz account for the total vibration energy. The processing procedure of the myoelectric signal is filtering (the second order with the on-button filter, the on-band is 10-400Hz), the average value is removed, the rectifier and the section are removed, and the electric value of the integral muscle is finally obtained. The frequency of the four parts of the vibration platform, the heel, the medial muscle of the femoral and the lateral muscles of the femoral and the lateral muscles of the femoral and the lateral muscles of the thigh is respectively relative energy of the vibration of 10Hz, and the total vibration is relative to the energy, the percent of the vibration energy of 10hz in the vertical axis of the human body and the percentage of the vibration energy of 10hz on the horizontal surface of the human body, The relative energy of the vibration of 10Hz, the relative energy of the total vibration, the vibration energy of 10Hz and the percent of the total vibration energy are analyzed by the paired sample t test; The two-factor analysis of variance of the medial and lateral muscles of the medial and lateral muscles of the femoral and lateral muscles of the femoral and lateral muscles of the thigh were analyzed by the two-factor analysis of variance in the random region. The relative energy of the electromyographic signal of the surface myoelectric signal and the frequency of 10Hz and the electric value of the surface electromyographic signal and the total vibration relative to the total vibration were analyzed by Pearson's double-variable correlation analysis, respectively. Research results: During the whole body vibration training, the small leg of the subject, whether the strap or the non-strap, the vibration energy of the vibration platform frequency of 10Hz mainly focuses on the vertical axis direction of the human body, the heel part, The frequency of the three parts of the medial and lateral muscles of the thigh is about half the energy in the vibration direction of the vertical axis of the human body and the energy in the vibration direction in the horizontal plane of the human body, Both are raised, but the percentage of the vibrational energy with a frequency of 10Hz is substantially constant as a percentage of the total vibrational energy. During the whole body vibration training, the percentage of the energy in the vibration direction in the vertical axis of the human body and the vibration direction in the horizontal plane does not change significantly as compared with the small leg strap and the non-strap of the subject; The relative energy and total vibrational relative energy of the medial and lateral muscles of the femoral and lateral muscles of the thigh are increased, and the electrical values of the electromyographic signals of the medial and lateral muscles of the femoral and lateral muscles also increase. During the whole body vibration training, there was a significant correlation between the electrical value of the electrical integral of the surface of the inner muscle of the thigh and the vibration relative to the frequency of 10Hz (R = 0.69, p = 0.03), and there was a significant correlation with the total vibration (R = 0.68, P = 0.03). There was no significant correlation between the electrical value of the electrical integral of the surface of the lateral muscle of the thigh and the relative energy of the vibration at the frequency of 10Hz and the relative energy of the total vibration. Conclusion: During the whole body vibration training, the muscle activity of the medial and lateral muscles of the thigh section can be improved, and the theoretical basis for the improvement of the muscle relaxation training effect of the medial and lateral muscles of the thigh is provided for the subjects during the whole body vibration training.
【學(xué)位授予單位】：上海體育學(xué)院
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：G804.2
本文編號(hào)：2421378
[Abstract]:The purpose of the study was to investigate the effect of the electrical signal on the surface electromyographic signals of the medial and lateral muscles of the thigh section of the thigh after the application of the pressure of 150 mm Hg and the limitation of the activity of the lower leg muscles during the whole body vibration training. the occurrence of vibration reflection is verified by comparing the change of the electrical signal of the surface of the large leg to the front and back of the small leg band. Methods: Three experimental subjects were randomly selected to make the maximum self-contraction of the medial and lateral muscles of the thigh, and the electrical signals of the surface were collected. 10 healthy male subjects, age (25. 50, 0. 52 years), height (173.60/ 5. 10cm), and body weight (69. 40, 8. 11kg), were randomly selected. There was no history of injury and injury in the lower limbs of the experimental object. There was no strenuous exercise in three days before the start of the experiment to eliminate the effect on the experimental results. the subject is upright on the vibration platform under the four experimental conditions of the non-vibration non-binding band, the vibration non-binding band, the non-vibration band and the vibration band (the frequency of the vibration platform is 10Hz, is suitable for muscle relaxation training), and the acceleration signals and the surface electromyographic signals of the medial and lateral muscles of the thigh are tested, and an acceleration signal of the heel part and the vibration platform. the processing process of the acceleration signal is to directly carry out fast Fourier transform on the acceleration signal in the three-axis direction to obtain the acceleration spectrum graph in the three-axis direction, and the percent of the vibration energy on the vertical axis and the horizontal plane of the human anatomy is obtained; In addition, the acceleration signal is sequentially subjected to a direct current, one-time integral, a second integration, a fast Fourier transform process, and then the relative energy of the vibration at the frequency of 10Hz is obtained by the square, and the total vibration relative energy and the vibration energy with the frequency of 10Hz account for the total vibration energy. The processing procedure of the myoelectric signal is filtering (the second order with the on-button filter, the on-band is 10-400Hz), the average value is removed, the rectifier and the section are removed, and the electric value of the integral muscle is finally obtained. The frequency of the four parts of the vibration platform, the heel, the medial muscle of the femoral and the lateral muscles of the femoral and the lateral muscles of the femoral and the lateral muscles of the thigh is respectively relative energy of the vibration of 10Hz, and the total vibration is relative to the energy, the percent of the vibration energy of 10hz in the vertical axis of the human body and the percentage of the vibration energy of 10hz on the horizontal surface of the human body, The relative energy of the vibration of 10Hz, the relative energy of the total vibration, the vibration energy of 10Hz and the percent of the total vibration energy are analyzed by the paired sample t test; The two-factor analysis of variance of the medial and lateral muscles of the medial and lateral muscles of the femoral and lateral muscles of the femoral and lateral muscles of the thigh were analyzed by the two-factor analysis of variance in the random region. The relative energy of the electromyographic signal of the surface myoelectric signal and the frequency of 10Hz and the electric value of the surface electromyographic signal and the total vibration relative to the total vibration were analyzed by Pearson's double-variable correlation analysis, respectively. Research results: During the whole body vibration training, the small leg of the subject, whether the strap or the non-strap, the vibration energy of the vibration platform frequency of 10Hz mainly focuses on the vertical axis direction of the human body, the heel part, The frequency of the three parts of the medial and lateral muscles of the thigh is about half the energy in the vibration direction of the vertical axis of the human body and the energy in the vibration direction in the horizontal plane of the human body, Both are raised, but the percentage of the vibrational energy with a frequency of 10Hz is substantially constant as a percentage of the total vibrational energy. During the whole body vibration training, the percentage of the energy in the vibration direction in the vertical axis of the human body and the vibration direction in the horizontal plane does not change significantly as compared with the small leg strap and the non-strap of the subject; The relative energy and total vibrational relative energy of the medial and lateral muscles of the femoral and lateral muscles of the thigh are increased, and the electrical values of the electromyographic signals of the medial and lateral muscles of the femoral and lateral muscles also increase. During the whole body vibration training, there was a significant correlation between the electrical value of the electrical integral of the surface of the inner muscle of the thigh and the vibration relative to the frequency of 10Hz (R = 0.69, p = 0.03), and there was a significant correlation with the total vibration (R = 0.68, P = 0.03). There was no significant correlation between the electrical value of the electrical integral of the surface of the lateral muscle of the thigh and the relative energy of the vibration at the frequency of 10Hz and the relative energy of the total vibration. Conclusion: During the whole body vibration training, the muscle activity of the medial and lateral muscles of the thigh section can be improved, and the theoretical basis for the improvement of the muscle relaxation training effect of the medial and lateral muscles of the thigh is provided for the subjects during the whole body vibration training.
【學(xué)位授予單位】：上海體育學(xué)院
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：G804.2
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