墊腳跟靜蹲在不同屈膝角度下股四頭肌表面肌電分析研究
發(fā)布時(shí)間：2019-05-25 00:52
【摘要】：研究目的:本研究通過讓受試者分別進(jìn)行兩組(普通靜蹲和墊高腳跟靜蹲)不同屈膝角度下的靜蹲練習(xí),細(xì)致分析左右腿股四頭肌表面肌電變化特征,來對(duì)比兩種方式優(yōu)劣,并著重旨在尋找出墊腳跟靜蹲較為科學(xué)的練習(xí)角度,為合理的墊腳跟靜蹲練習(xí)方式提供科學(xué)依據(jù)。研究方法:選取首都體育學(xué)院在校男性大學(xué)生30名,均為非體育專業(yè),身體及心理狀況良好,并自愿參加本實(shí)驗(yàn),股四頭肌及膝關(guān)節(jié)未發(fā)生過嚴(yán)重?fù)p傷,測(cè)試前24小時(shí)內(nèi)肌肉處于正常非疲勞狀態(tài)。受試者分別進(jìn)行屈膝角度45°、60°和75°的普通靜蹲及墊高腳跟靜蹲,測(cè)試間隔7天,實(shí)驗(yàn)過程中使用MegaWin ME6000 T16(16通道)肌電信號(hào)監(jiān)測(cè)記錄系統(tǒng)監(jiān)測(cè)記錄受試者左右腿股外側(cè)肌、股內(nèi)側(cè)肌和股直肌的表面肌電信號(hào)。實(shí)驗(yàn)數(shù)據(jù)依指標(biāo)分為iEMG值,MPF和MF值三大部分。使用SPSS 22.0統(tǒng)計(jì)軟件進(jìn)行分析處理,對(duì)兩組間進(jìn)行配對(duì)T檢驗(yàn),三個(gè)角度間、五個(gè)階段間的數(shù)據(jù)進(jìn)行單因素方差分析。研究結(jié)果:1.墊腳跟與普通靜蹲的雙腿股四頭肌iEMG最大值在三個(gè)角度下均出現(xiàn)在屈膝角度為45°時(shí)的股外側(cè)肌,三條肌肉在三個(gè)角度下的iEMG值均呈現(xiàn)出股外側(cè)肌股內(nèi)側(cè)肌股直肌,且墊腳跟靜蹲組普通靜蹲組。三條肌肉除右腿股直肌在60°時(shí)無顯著性差異外,三個(gè)角度下均有顯著性差異(P㩳0.05或P㩳0.01)。2.墊腳跟與普通靜蹲的雙腿股四頭肌的三條肌肉MPF最大值均出現(xiàn)在屈膝45°時(shí);三個(gè)角度下,兩組的MPF值均呈現(xiàn)出股直肌股內(nèi)側(cè)肌股外側(cè)肌。3.左腿股外側(cè)肌和股直肌、右腿三條肌肉在兩組的MF最大值均出現(xiàn)在屈膝45°時(shí),左腿股內(nèi)側(cè)肌出現(xiàn)在60°時(shí)。左腿三條肌肉在三個(gè)角度下,兩組的MF值均呈現(xiàn)出股直肌股內(nèi)側(cè)肌股外側(cè)肌的趨勢(shì)。右腿45°時(shí),呈現(xiàn)出股直肌股外側(cè)肌股內(nèi)側(cè)肌;60°時(shí),墊腳跟組呈現(xiàn)出股直肌股內(nèi)側(cè)肌股外側(cè)肌,普通組呈現(xiàn)出股直肌股外側(cè)肌股內(nèi)側(cè)肌;75°時(shí)兩組均呈現(xiàn)出股直肌股內(nèi)側(cè)肌股外側(cè)肌。4.雙腿三條肌肉在三個(gè)角度下兩組的MPF都呈現(xiàn)降低趨勢(shì),兩組間呈現(xiàn)出墊腳跟組普通組的趨勢(shì),且均呈現(xiàn)出顯著性差異(P㩳0.05或P㩳0.01)。雙腿股外側(cè)肌、股直肌的MPF斜率絕對(duì)值呈現(xiàn)出75°60°45°,股內(nèi)側(cè)肌呈現(xiàn)出75°45°60°。在與45°相比較時(shí),左腿股外側(cè)肌75°呈現(xiàn)顯著性差異(P㩳0.05),60°時(shí)則無顯著性差異。雙腿股直肌在60°和75°時(shí)均呈現(xiàn)顯著性差異(P㩳0.05)。雙腿股內(nèi)側(cè)肌在75°時(shí)呈現(xiàn)顯著性差異(P㩳0.05),60°時(shí)則無顯著性差異。5.雙腿三條肌肉在三個(gè)角度下兩組的MF都呈現(xiàn)降低趨勢(shì),兩組間MF斜率絕對(duì)值呈現(xiàn)出墊腳跟組普通組且均呈現(xiàn)出顯著性差異(P㩳0.05或P㩳0.01)。左右腿股外側(cè)肌的MF斜率絕對(duì)值呈現(xiàn)出75°60°45°,雙腿股直肌、股內(nèi)側(cè)肌呈現(xiàn)出75°45°60°。在與45°相比較時(shí),雙腿三條肌肉在75°時(shí)均呈現(xiàn)顯著性差異(P㩳0.05),60°時(shí)無顯著性差異。研究結(jié)論:1.墊腳跟靜蹲練習(xí)對(duì)股四頭肌的鍛煉效果優(yōu)于普通靜蹲練習(xí)。2.選擇進(jìn)行墊腳跟靜蹲練習(xí)來鍛煉股四頭肌以提高肌力進(jìn)而防治髕骨勞損,減小膝關(guān)節(jié)運(yùn)動(dòng)損傷風(fēng)險(xiǎn)時(shí),選擇45°進(jìn)行練習(xí)效果較佳,且髕股關(guān)節(jié)壓力適中,所以45°是墊腳跟靜蹲時(shí)較為科學(xué)合理的練習(xí)角度。
[Abstract]:The purpose of this study was to compare the characteristics of the myoelectric changes of the quadriceps femoris and the quadriceps femoris of the left and right leg by using the static squat exercise of the two groups (ordinary squat and high heel static squat), and compare the two ways. The aim of this paper is to find out the scientific practice angle of the foot and the static crouching, and provide the scientific basis for the reasonable foot-to-foot and the squat exercise mode. The method of the study was to select 30 male college students in the capital physical education institute. All of them were non-physical, physical and psychological, and they volunteered to participate in the experiment. The quadriceps and the knee joint did not experience serious injury, and the muscles were in the normal non-fatigue state in the first 24 hours before the test. The subject was subjected to normal squat and high heel static squat at 45 擄,60 擄 and 75 擄, respectively, with a test interval of 7 days, and the recording system was used to monitor and record the left and right leg thigh outer muscles of the subject using the MegaWin ME6000 T16 (16-channel) myoelectric signal monitoring and recording system during the course of the experiment. The surface electromyographic signals of the medial and thigh muscles of the thigh. The experimental data is divided into three parts: iEMG value, MPF and MF value. The analysis and treatment were carried out using the SPSS 22.0 statistical software, the paired T-test was performed between the two groups, and the single-factor analysis of variance was performed between the three angles and the data between the five stages. Study results:1. The maximum of the iEMG of the quadriceps and the iEMG of the quadriceps of the two legs and the common crouching was at 45 擄 in the flexion. The iEMG values of the three muscles at the three angles exhibited the direct muscle of the medial muscle of the outside of the thigh, and the foot was in the normal squat group of the static squatting group. There was no significant difference (P? 0.05 or P? 0.01) between the three muscles, except that the right leg of the right leg had no significant difference at 60 擄. The maximum of the MPF of the three muscles of the quadriceps femoris and the quadriceps femoris of the two-legged quadriceps was 45 擄, and the MPF values of the two groups showed the lateral muscle of the medial muscle of the quadriceps femoris. The left leg thigh muscle and the quadriceps, the right leg three muscles appeared at the flexion of 45 擄 at the MF maximum in both groups, and the medial muscle of the left leg was at 60 擄. The MF values of the left leg and the two groups showed the tendency of the lateral muscle of the medial muscle of the thigh. At 45 擄 of the right leg, the medial muscle of the lateral muscle of the thigh-straight muscle strand was present; at 60 擄, the heel group of the thigh showed the outer muscle of the medial muscle of the straight-muscle strand, and the normal group showed the medial muscle of the lateral muscle of the thigh-straight muscle; at the time of 75 擄, the lateral muscles of the medial muscle of the thigh-straight muscle were present. Both of the three groups of the two legs showed a tendency to decrease the MPF in the two groups at three angles, and there was a significant difference between the two groups (P? 0.05 or P? 0.01). The absolute value of the MPF slope of the quadriceps femoris and the quadriceps is 75 擄 60 擄 45 擄, and the inner muscle of the thigh is 75 擄 45 擄 60 擄. In comparison with 45 擄, there was a significant difference in the lateral muscle of the left leg (P? 0.05), and there was no significant difference at 60 擄. The straight muscle of both legs showed significant difference at 60 擄 and 75 擄 (P? 0.05). There was no significant difference (P? 0.05) at 75 擄, and there was no significant difference at 60 擄. The two groups of MF showed a tendency to decrease in both groups at three angles, and the absolute values of MF slope between the two groups showed significant difference (P? 0.05 or P? 0.01). The absolute value of MF slope of the lateral muscle of the left and right leg is 75 擄 60 擄 45 擄, the straight muscle of the two legs and the inner muscle of the thigh are at 75 擄 45 擄 and 60 擄. When compared with 45 擄, the three muscles of the two legs exhibited a significant difference at 75 擄 (P? 0.05), and there was no significant difference at 60 擄. Study conclusion:1. The exercise effect on the quadriceps femoris is superior to that of the normal squat exercise. in that method, the quadriceps of the femoral head are exercise to improve the muscle strength and further control the strain of the patella and reduce the risk of injury of the knee joint, the exercise effect is better, and the pressure of the femoral joint is moderate, Therefore,45 擄 is a scientific and reasonable practice angle when the foot is sitting with the rest.
【學(xué)位授予單位】：首都體育學(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)：2485345
[Abstract]:The purpose of this study was to compare the characteristics of the myoelectric changes of the quadriceps femoris and the quadriceps femoris of the left and right leg by using the static squat exercise of the two groups (ordinary squat and high heel static squat), and compare the two ways. The aim of this paper is to find out the scientific practice angle of the foot and the static crouching, and provide the scientific basis for the reasonable foot-to-foot and the squat exercise mode. The method of the study was to select 30 male college students in the capital physical education institute. All of them were non-physical, physical and psychological, and they volunteered to participate in the experiment. The quadriceps and the knee joint did not experience serious injury, and the muscles were in the normal non-fatigue state in the first 24 hours before the test. The subject was subjected to normal squat and high heel static squat at 45 擄,60 擄 and 75 擄, respectively, with a test interval of 7 days, and the recording system was used to monitor and record the left and right leg thigh outer muscles of the subject using the MegaWin ME6000 T16 (16-channel) myoelectric signal monitoring and recording system during the course of the experiment. The surface electromyographic signals of the medial and thigh muscles of the thigh. The experimental data is divided into three parts: iEMG value, MPF and MF value. The analysis and treatment were carried out using the SPSS 22.0 statistical software, the paired T-test was performed between the two groups, and the single-factor analysis of variance was performed between the three angles and the data between the five stages. Study results:1. The maximum of the iEMG of the quadriceps and the iEMG of the quadriceps of the two legs and the common crouching was at 45 擄 in the flexion. The iEMG values of the three muscles at the three angles exhibited the direct muscle of the medial muscle of the outside of the thigh, and the foot was in the normal squat group of the static squatting group. There was no significant difference (P? 0.05 or P? 0.01) between the three muscles, except that the right leg of the right leg had no significant difference at 60 擄. The maximum of the MPF of the three muscles of the quadriceps femoris and the quadriceps femoris of the two-legged quadriceps was 45 擄, and the MPF values of the two groups showed the lateral muscle of the medial muscle of the quadriceps femoris. The left leg thigh muscle and the quadriceps, the right leg three muscles appeared at the flexion of 45 擄 at the MF maximum in both groups, and the medial muscle of the left leg was at 60 擄. The MF values of the left leg and the two groups showed the tendency of the lateral muscle of the medial muscle of the thigh. At 45 擄 of the right leg, the medial muscle of the lateral muscle of the thigh-straight muscle strand was present; at 60 擄, the heel group of the thigh showed the outer muscle of the medial muscle of the straight-muscle strand, and the normal group showed the medial muscle of the lateral muscle of the thigh-straight muscle; at the time of 75 擄, the lateral muscles of the medial muscle of the thigh-straight muscle were present. Both of the three groups of the two legs showed a tendency to decrease the MPF in the two groups at three angles, and there was a significant difference between the two groups (P? 0.05 or P? 0.01). The absolute value of the MPF slope of the quadriceps femoris and the quadriceps is 75 擄 60 擄 45 擄, and the inner muscle of the thigh is 75 擄 45 擄 60 擄. In comparison with 45 擄, there was a significant difference in the lateral muscle of the left leg (P? 0.05), and there was no significant difference at 60 擄. The straight muscle of both legs showed significant difference at 60 擄 and 75 擄 (P? 0.05). There was no significant difference (P? 0.05) at 75 擄, and there was no significant difference at 60 擄. The two groups of MF showed a tendency to decrease in both groups at three angles, and the absolute values of MF slope between the two groups showed significant difference (P? 0.05 or P? 0.01). The absolute value of MF slope of the lateral muscle of the left and right leg is 75 擄 60 擄 45 擄, the straight muscle of the two legs and the inner muscle of the thigh are at 75 擄 45 擄 and 60 擄. When compared with 45 擄, the three muscles of the two legs exhibited a significant difference at 75 擄 (P? 0.05), and there was no significant difference at 60 擄. Study conclusion:1. The exercise effect on the quadriceps femoris is superior to that of the normal squat exercise. in that method, the quadriceps of the femoral head are exercise to improve the muscle strength and further control the strain of the patella and reduce the risk of injury of the knee joint, the exercise effect is better, and the pressure of the femoral joint is moderate, Therefore,45 擄 is a scientific and reasonable practice angle when the foot is sitting with the rest.
【學(xué)位授予單位】：首都體育學(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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