本文選題：剪切波彈性成像 + 楊氏模量　； 參考：《廣州中醫(yī)藥大學(xué)》2017年碩士論文

【摘要】：目的:本研究旨在通過(guò)使用剪切波彈性成像(SWE)技術(shù)量化評(píng)價(jià)有氧慢跑運(yùn)動(dòng)前后下肢肌肉和跟腱硬度的變化,并檢測(cè)靜態(tài)拉伸對(duì)有氧慢跑運(yùn)動(dòng)后下肢肌肉及跟腱的硬度影響。方法:本研究共納入50例健康志愿者,隨機(jī)分為2組:拉伸組及休息組。執(zhí)行本研究有氧慢跑運(yùn)動(dòng)方案,在運(yùn)動(dòng)前、運(yùn)動(dòng)后即刻、運(yùn)動(dòng)后10分鐘以及運(yùn)動(dòng)后20分鐘后共4個(gè)時(shí)間點(diǎn)分別測(cè)量2組志愿者下肢目標(biāo)肌肉及跟腱的楊氏模量值。比較有氧慢跑運(yùn)動(dòng)前、后下肢目標(biāo)肌肉及跟腱楊氏模量值的差異,比較2組志愿者間下肢目標(biāo)肌肉及跟腱楊氏模量值的差異。結(jié)果:1.拉伸組下肢肌肉楊氏模量值平均值,與原地有氧慢跑運(yùn)動(dòng)前比較,運(yùn)動(dòng)后即刻、10分鐘后及20分鐘后楊氏模量值較運(yùn)動(dòng)前增加(其中10分鐘后、20分鐘后與慢跑前比差異有統(tǒng)計(jì)學(xué)意義,P0.05;慢跑后即刻與慢跑前比差異無(wú)統(tǒng)計(jì)學(xué)意義,P0.05);慢跑后20分鐘楊氏模量測(cè)值平均值較慢跑后即刻增加,差異有統(tǒng)計(jì)學(xué)意義(P0.05)。2.拉伸組跟腱楊氏模量測(cè)值平均值,與原地有氧慢跑運(yùn)動(dòng)前比較,運(yùn)動(dòng)后即刻及10分鐘后楊氏模量測(cè)值較運(yùn)動(dòng)前增加(其中慢跑后即刻與慢跑前比差異有統(tǒng)計(jì)學(xué)意義,P0.05;10分鐘后與慢跑前比差異沒(méi)有統(tǒng)計(jì)學(xué)意義,P0.05),慢跑后20分鐘跟腱楊氏模量測(cè)值平均值小于運(yùn)動(dòng)前,差異無(wú)統(tǒng)計(jì)學(xué)意義,(P0.05);慢跑后10分鐘、20分鐘楊氏模量測(cè)值平均值小于慢跑后即刻,差異有統(tǒng)計(jì)學(xué)意義(P0.05)。3.休息組肌肉楊氏模量測(cè)值平均值,與原地有氧慢跑運(yùn)動(dòng)前比較,運(yùn)動(dòng)后即刻、10分鐘后及20分鐘后下肢肌肉楊氏模量測(cè)值平均值較運(yùn)動(dòng)前增加,差異有統(tǒng)計(jì)學(xué)意義,(P0.05);慢跑后即刻、10分鐘后、20分鐘兩兩比較差異無(wú)統(tǒng)計(jì)學(xué)意義,(P0.05)。4.休息組跟腱楊氏模量測(cè)值平均值,與原地有氧慢跑運(yùn)動(dòng)前比較,運(yùn)動(dòng)后即刻、10分鐘后及20分鐘后跟腱楊氏模量測(cè)值平均值較運(yùn)動(dòng)前增加(其中慢跑后即刻與慢跑前比差異有統(tǒng)計(jì)學(xué)意義,P0.05;10分鐘后、20分鐘后與慢跑前比差異沒(méi)有統(tǒng)計(jì)學(xué)意義,P0.05;);慢跑后10分鐘、20分鐘楊氏模量測(cè)值平均值小于慢跑后即刻,差異有統(tǒng)計(jì)學(xué)意義(P0.05)。5.拉伸組與休息組之間目標(biāo)下肢肌肉及跟腱的楊氏模量測(cè)值差異無(wú)統(tǒng)計(jì)學(xué)意義。結(jié)論:1.原地有氧慢跑運(yùn)動(dòng)后即刻、10分鐘后及20分鐘后下肢肌肉楊氏模量測(cè)值均較慢跑前增加。2.原地有氧慢跑運(yùn)動(dòng)后即刻跟腱跖屈位楊氏模量測(cè)值較慢跑前增加,運(yùn)動(dòng)后10分鐘、20分鐘均恢復(fù)至慢跑前水平。3.拉伸組與休息組之間目標(biāo)下肢肌肉及跟腱的楊氏模量值差異無(wú)統(tǒng)計(jì)學(xué)意義。
[Abstract]:Objective: to quantitatively evaluate the hardness of lower extremity muscle and Achilles tendon before and after aerobic jogging by using shear wave elastic imaging (SWE) technique, and to detect the effect of static stretching on the hardness of lower extremity muscle and Achilles tendon after aerobic jogging. Methods: 50 healthy volunteers were randomly divided into two groups: stretch group and rest group. Four time points of aerobic jogging were performed before exercise, immediately after exercise, 10 minutes after exercise and 20 minutes after exercise. The Young's modulus of lower extremity target muscle and Achilles tendon were measured in two groups of volunteers. To compare the difference of Young's modulus of target muscle and Achilles tendon before aerobic jogging and the difference of Young's modulus of lower extremity muscle and Achilles tendon between two groups of volunteers. The result is 1: 1. The average value of Young's modulus of lower extremity muscle in stretching group was compared with that before aerobic jogging in situ. The value of Young's modulus after 10 minutes and 20 minutes after exercise was higher than that before exercise (there was significant difference between 10 minutes after 20 minutes and before jogging (P0.05); there was no significant difference between immediately after jogging and before jogging (P 0.05); slow after jogging (P 0.05); after jogging immediately after jogging (P 0.05); after jogging (P 0.05). The average value of Young's modulus 20 minutes after running was higher than that immediately after jogging. The difference was statistically significant (P 0.05). The average value of Young's modulus of Achilles tendon in stretching group was compared with that before aerobic jogging in situ. The measured values of Young's modulus immediately after exercise and 10 minutes after exercise were higher than those before exercise (there was significant difference between immediately after jogging and before jogging. There was no significant difference between immediately after jogging and before jogging, and 20 minutes after jogging, there was no significant difference in Achilles tendon. The average value of Young's modulus is smaller than that before exercise. The average value of Young's modulus at 10 minutes and 20 minutes after jogging was lower than that immediately after jogging, and the difference was statistically significant. The average value of Young's modulus in rest group was higher than that before aerobic jogging immediately after exercise for 10 minutes and 20 minutes after exercise. The difference was statistically significant (P 0.05), but there was no significant difference between the two groups immediately after jogging for 10 minutes and 20 minutes after jogging. The average value of Young's modulus of Achilles tendon in rest group was compared with that before in-situ aerobic jogging. The average value of Young's modulus of Achilles tendon immediately 10 minutes after exercise and 20 minutes after exercise was higher than that before exercise (there was significant difference between immediately after jogging and before jogging (P 0.05). There was no significant difference between 20 minutes after jogging and 20 minutes before jogging. The average value of Young's modulus at 10 minutes and 20 minutes after jogging was lower than that immediately after jogging. The difference was statistically significant (P 0.05). There was no significant difference in Young's modulus between the stretching group and rest group. Conclusion 1. In situ aerobic jogging immediately after 10 minutes and 20 minutes after the lower extremity muscle Young's modulus values were higher than before jogging. The value of Young's modulus in plantar flexion of Achilles tendon immediately after in-situ aerobic jogging was higher than that before jogging, and it recovered to the pre-jogging level at 10 minutes and 20 minutes after exercise. There was no significant difference in Young's modulus between the stretching group and rest group.
【學(xué)位授予單位】：廣州中醫(yī)藥大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：R87;R445.1

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