背向滑步推鉛球論文：背向滑步推鉛球 表面肌電圖 積分肌電圖 最后用力部分

1、背向滑步推鉛球論文：背向滑步推鉛球 表面肌電圖 積分肌電圖 最后用力部分【中文摘要】研究:本文主要嘗試將肌電技術(shù)運用于背向滑步推鉛球技術(shù)動作中,從而測量出優(yōu)秀鉛球運動員在整個投擲過程中所表現(xiàn)出來的生物電情況,對測量結(jié)果進(jìn)行分析整理,得出最后用力階段主要用力肌群肌電的變化情況,為運動員在以后日常訓(xùn)練中技術(shù)診斷和肌肉力量訓(xùn)練提供參考,提高我國男子鉛球運動成績。研究方法:采用芬蘭產(chǎn)的MuscleTesierME6000便攜式8導(dǎo)肌電儀對10名優(yōu)秀運動員進(jìn)行現(xiàn)場完整背向滑步推鉛球過程中的肌電數(shù)據(jù)采集,運用Megawin肌電分析軟件將所得的數(shù)據(jù)進(jìn)行分析整理。研究內(nèi)容:鉛球運動員的最后用力階段的表面肌電圖

2、譜;各肌肉肌電活動的開始時間、結(jié)束時間、持續(xù)時間;肌肉肌電活動的均方根振幅平均值;肌肉肌電活動的積分值;所測肌肉在整個動作階段的貢獻(xiàn)率。研究結(jié)果:1最后用力準(zhǔn)備部分肌電分析發(fā)現(xiàn)右三角肌、右斜方肌、右前脛骨肌最先參與肌肉發(fā)力,肌肉肌電活動開始順序先后為:右三角肌、右斜方肌、右前脛骨肌左股二頭肌右胸大肌、右股直肌右肱二頭肌右橈肌;右三角肌、右胸大肌、右斜方肌最后結(jié)束放電,肌肉肌電活動結(jié)束順序先后為:右肱二頭肌右股直肌左股二頭肌右橈肌、右前脛骨肌右三角肌、右胸大肌、右斜方肌;右三角肌、右斜方肌肌肉放電持續(xù)時間最長,肌肉肌電活動持續(xù)時間的長短順序為:右三角肌、右斜方肌右前脛骨肌右胸大肌、左股二頭肌右股

3、直肌右橈肌右肱二頭肌。2最后用力準(zhǔn)備部分右三角肌、右胸大肌、右斜方肌肌電信號相對最穩(wěn)定,肌肉肌電活動放電的同步化方面:右三角肌、右胸大肌、右斜方肌相對較大,右橈肌、右肱二頭肌、左股二頭肌次之,右股直肌、右前脛骨肌肌肉放電的同步化相對較低。3最后用力準(zhǔn)備部分肌肉的貢獻(xiàn)率情況:右三角肌、右斜方肌、右胸大肌最大,其次是左股二頭肌、右橈肌、右前脛骨肌,最小的是右肱二頭肌、右股直肌。4最后用力加速部分肌電分析發(fā)現(xiàn)右三角肌、右胸大肌、右斜方肌、右前脛骨肌最先參與肌肉發(fā)力,肌肉肌電活動開始順序先后為:右三角肌、右胸大肌、右斜方肌、右前脛骨肌右股直肌右橈肌右肱二頭肌左股二頭肌;右三角肌、右胸大肌、右斜方肌、左

4、股二頭肌最后結(jié)束放電,肌肉肌電活動結(jié)束順序先后為:右前脛骨肌右肱二頭肌右橈肌右股直肌右三角肌、右胸大肌、右斜方肌、左股二頭肌;右三角肌、右胸大肌、右斜方肌肌肉放電持續(xù)時間最長,肌肉肌電活動持續(xù)時間的長短順序為:右三角肌、右胸大肌、右斜方肌右股直肌右橈肌左股二頭肌右肱二頭肌右前脛骨肌。5最后用力加速部分右三角肌、右胸大肌、右斜方肌肌電信號相對最穩(wěn)定,肌肉肌電活動放電的同步化方面:右三角肌、右胸大肌、右斜方肌肌肉放電的同步化程度較高,右肱二頭肌、右橈肌次之,右股直肌、左股二頭肌、右前脛骨肌放電的同步化相對較低。6最后用力加速部分肌肉的貢獻(xiàn)率情況:右三角肌、右胸大肌、右斜方肌最大,其次是右肱二頭肌、

5、右橈肌,最小的是左股二頭肌、右股直肌、右前脛骨肌。7在整個背向滑步推鉛球最后用力階段,右三角肌、右胸大肌、右斜方肌肌肉用力方面作用最大,同時右三角肌、右斜方肌在收縮速度、持續(xù)時間輸出功率方面要求較高。【英文摘要】Research purpose:This paper mainly attempt to use EM technology in back-putting sliding technical movement, To measure the outstanding shot-putter of biological muscle electricity show in the wh

6、ole process of throwing, Analysis on the measurement results,The EM variations of the main muscle group mainly energised in the final stage of shot-putting, provide reference for athletes with technical diagnosis during routine training and muscle strength training,in order to improve mens shot put

7、reformance in our country.Methods:MuscleTesierME6000 produced by Finland on portable 8 guide muscle imager 10 outstanding athletes on-site complete back-putting sliding process data acquisition, analyze the last data Use Megawin muscle electric analysis software.Research content: the last stage of s

8、hot-putting shot-putter sEMG electricity map the table; Every muscle muscle of electrical activity in the start time, over time, duration; Muscle muscle of electrical activity in the root mean-square amplitude average; Muscle muscle of electrical activity in the integral value; Measured in the whole

9、 action phase of muscle contribution.Results: 1 the last strength ready to part muscle electric analysis found that right deltoid muscle, right trapezius muscle, the first move in the tibia muscle muscles send force, muscle muscle electrical activity began to order successively for: the right deltoi

10、d muscle, right trapezius muscle, right and left tibia muscle biceps - right pectoralis major, right shares rectus - right biceps - right radial muscle; Right deltoid muscle, right pectoralis major, right trapezius muscle finally end discharge, muscle muscle electrical activity sequence successively

11、 for: the right end biceps - right shares rectus - left and right biceps muscles, right radial tibial muscle - right deltoid muscle, right pectoralis major, right trapezius muscle; Right deltoid muscle, right trapezius muscle discharge lasted the longest time, muscle muscle electrical activity durat

12、ion length order: right deltoid muscle, right trapezius muscle - right shin muscle - the right chest muscle, left biceps - right shares rectus - right radial muscle - right biceps. 2 the last strength ready to part right deltoid muscle, right pectoralis major, right trapezius muscle muscle signals r

13、elative most stable, muscle muscle electrical activity in the synchronization aspects: discharge right deltoid muscle, right pectoralis major, right trapezius muscle is opposite bigger, right radial muscle, right biceps, left biceps next and right shares rectus muscle, discharge right shin synchroni

14、zation relatively low. 3 the last strength prepare the contribution of part muscle: right deltoid muscle, right trapezius muscle, right pectoralis major biggest, followed left biceps radial muscle, right the smallest tibial muscle is right biceps, right shares rectus. 4 the last strength accelerate

15、part muscle electric analysis found that right deltoid muscle, right pectoralis major, right trapezius muscle, the first move in the tibia muscle muscles send force, muscle muscle electrical activity began to order successively for: the right deltoid muscle, right pectoralis major, right trapezius m

16、uscle, move right shares and tibial muscle rectus - right radial muscle - right biceps - left biceps; Right deltoid muscle, right pectoralis major, right trapezius muscle, left biceps finally end discharge, muscle muscle electrical activity sequence successively for: move over the tibia muscle - rig

17、ht biceps - right radial muscle - right shares rectus - right deltoid muscle, right pectoralis major, right trapezius muscle, left biceps; Right deltoid muscle, right pectoralis major, right trapezius muscle discharge lasted the longest time, muscle muscle electrical activity duration length order:

18、right deltoid muscle, right pectoralis major, right trapezius muscle - right shares rectus - right radial muscle - left and right biceps right biceps muscles and shin. 5 the last strength accelerate part right deltoid muscle, right pectoralis major, right trapezius muscle muscle signals relative mos

19、t stable, muscle muscle electrical activity in the synchronization aspects: discharge right deltoid muscle, right pectoralis major, right trapezius muscle discharge the synchronization degree is higher, right biceps, right radial muscle next and right shares rectus, left biceps, move the synchroniza

20、tion of tibial muscle discharge is relatively low. 6 the last strength accelerate the contribution of part muscle: right deltoid muscle, right pectoralis major, right trapezius muscle biggest, followed right biceps, right, the smallest of radial muscle is left biceps, right shares rectus, tibial mus

21、cle move. 7 in the whole back-faced sliding the last strength phase, right deltoid muscle, right pectoralis major, right trapezius muscle muscle force effects, and largest right deltoid muscle, right trapezius muscle in shrinkage speed, duration output power demand is higher.【關(guān)鍵詞】背向滑步推鉛球 表面肌電圖 積分肌電圖 最后用力部分【英文關(guān)鍵詞】back-putting sliding movement SEMG IEMG the final forced stage【目錄】我國男子高水平鉛球運動員最后用力階段主要用力肌群表面肌電分析摘要5-6ABSTRACT6-81 前言9-181.1 選題依據(jù)9-101.2 研究意義及肌電應(yīng)用可行性101.2.1 理論意義101.2.2 現(xiàn)實意義101.2.3 實際應(yīng)用