本文關(guān)鍵詞： 健身跑 中年男性 骨密度 身體成分　出處：《西安體育學(xué)院》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：目的:以32名中年男性作為研究對象,通過16周健身跑運動對中年男性的雙側(cè)下肢骨密度和身體成分的變化規(guī)律。為廣大的低骨密度、肥胖、身體成分不合理的人群,提供健身方案。通過理論與實踐的結(jié)合,探討分析健身跑運動對中年男性身體健康的影響,為提高我國中年男性體質(zhì)健康水平提供科學(xué)依據(jù)。方法:從初選50名中年男性中,經(jīng)過健康排查后挑選符合條件的32名男性作為研究對象,對該人群進行16周健身跑運動。觀察運動干預(yù)對中年男性下肢雙側(cè)骨密度和身體成分相關(guān)指標(biāo)的影響。選用體重指數(shù)(BMI)、骨密度(BMD)、骨礦含量(BMC)、肌肉含量(SLBM)、脂肪含量(FM)、去脂體重(FFM)和脂肪百分比(PBF)等多個指標(biāo)進行運動干預(yù)前后比較。運動強度:根據(jù)GXT測試,判定納入受試者的通氣無氧閾(AT)。確定75%,85%,95%和100%AT對應(yīng)的心率(HR)作為運動強度,各階段以相應(yīng)運動強度進行運動。各個指標(biāo)的測試結(jié)果以平均數(shù)±標(biāo)準(zhǔn)差(x±s)表示,運用SPSS17.0軟件進行統(tǒng)計學(xué)分析,組內(nèi)實驗前后的比較采用配對樣本T檢驗,P0.05為有顯著性差異,P0.01為有非常顯著性差異。結(jié)果:(1)經(jīng)過16周的健身跑運動45—49歲的中年男性BMD、BMC、SLBM和FFM比運動前有顯著提高(P㩳0.05),FM和PBF的值比16周運動前減少,差異非常顯著(P㩳0.01)。BMI也有一定的減少但差異不顯著。(2)50—54歲受試者進行16周的運動干預(yù)后BMD和BMC的值比運動前有顯著提高(P㩳0.05),FM和PBF呈下降趨勢,并且差異顯著(P㩳0.05)。FFM的值比16周運動前有一定的增加,BMI比16周運動前有所減少,FFM和BMI的值運動前后沒有差異性。(3)55—59歲受試者BMD、BMC、SLBM、FFM經(jīng)過16周健身跑運動干預(yù)后呈上升趨勢,其中BMD存在顯著差異,經(jīng)過16周的訓(xùn)練后BMI、FM、PBF的值呈下降趨勢,FM和PBF差異非常顯著(P㩳0.01)。(4)經(jīng)過16周的健身跑運動后45—49歲的受試者骨密度、骨礦含量和肌肉含量的變化值比50—54歲和55—59歲受試者的變化值明顯,3組間體重指數(shù)、脂肪含量的變化值沒有差異性。結(jié)論:(1)16周的健身跑運動后中年男性下肢骨密度和骨礦含量的值都有提高,說明16周的健身跑運動有利于增加中年男性下肢的骨密度和骨礦含量。(2)16周的健身跑運動后中年男性的肌肉含量、去脂體重的含量均有增加,而脂肪含量呈下降趨勢,16周的健身跑運動改善了中年男性下肢身體成分。(3)16周的健身跑運動后,三個年齡段中45—49歲中年男性下肢的骨密度、骨礦含量和肌肉含量提高最多,說明本文的健身方案對45—49歲受試者的健身效果優(yōu)于50—54歲和55—59歲的受試者。
[Abstract]:Objective: to study the changes of bone mineral density (BMD) and body composition of bilateral lower extremities in 32 middle-aged men. Through the combination of theory and practice, this paper discusses the effect of running exercise on the health of middle-aged men. Methods: from 50 middle aged men in primary election, 32 eligible men were selected as the research objects after health examination. The effect of exercise intervention on bone mineral density (BMD) and body composition in lower extremities of middle-aged male was observed. Body mass index (BMI) and BMD (BMD) were selected. Bone mineral content (BMC), muscle content (SLBM), fat content (FM). FFM and percentage of fat were compared before and after exercise. Exercise intensity: according to GXT test. Determine the anaerobic threshold of ventilation in the subjects. Determine 75% and 100 AT corresponding heart rate HRs as exercise intensity. The test results of each index were expressed as mean 鹵standard deviation x 鹵s, and the statistical analysis was carried out with SPSS17.0 software. The comparison before and after the experiment in the group using paired sample T test was significant difference (P0.05). P0.01 was a significant difference. Results: after 16 weeks of exercise, BMD-BMC, a middle-aged male aged 45-49 years, was tested. SLBM and FFM were significantly higher than before exercise. The values of FM and PBF were lower than those before 16 weeks exercise, and the difference was very significant. There was also a decrease in BMD and BMC in subjects aged 50 to 54 after 16 weeks exercise intervention, but the difference was not significant. The values of BMD and BMC were significantly higher than those before exercise. The FM and PBF showed a decreasing trend, and the difference was significant (P < 0.05). The value of 0.05U. FFM was higher than that before 16 weeks exercise, and BMI was lower than that before 16 weeks exercise. There was no difference between the values of FFM and BMI before and after exercise. The values of BMD-BMC and SLBMM-FFM of 55-59 years old subjects showed an upward trend after 16 weeks of exercise intervention. After 16 weeks of training, the value of BMD showed a downward trend. The difference between FM and PBF was very significant. After 16 weeks of exercise, subjects aged 45-49 had bone mineral density (BMD). The changes of bone mineral content and muscle content were significantly higher than those of the subjects aged 50-54 and 55-59 years. Conclusion the bone mineral density (BMD) and bone mineral content (BMD) of lower extremities of middle aged men increased after 16 weeks of exercise. The results showed that 16 weeks of exercise was beneficial to increase the bone mineral density and bone mineral content of lower limbs of middle-aged men. After 16 weeks of exercise, the muscle content of middle-aged men and the content of fat-free body weight were increased. However, the body composition of the lower extremities of the middle-aged male was improved after 16 weeks of fitness running, which showed a decreasing trend of fat content. Bone mineral density (BMD), bone mineral content (BMD) and muscle content (BMD) of lower extremity were increased most in middle aged males aged 45-49 years. The results show that the fitness effect of the program is better than that of the subjects aged 50-54 and 55-59.
【學(xué)位授予單位】：西安體育學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：G804.2;G822

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