軍校學(xué)員不同負(fù)重全力行軍1km時心肺功能和血乳酸的變化
[Abstract]:Objective: to evaluate the changes of cardiopulmonary function in military cadets with different full load for 1 km. Methods: a randomized interactive design was used to test the cardiopulmonary function (CPF) of 10 healthy male subjects with different weights (15 kg and 50 kg without weight) for 1 km, and the cardiopulmonary function was measured by exercise cardiopulmonary function test. Blood lactic acid concentration was measured immediately after exercise and subjective fatigue sensation was evaluated. Results: compared with rest, the heart rate, respiratory frequency, relative oxygen uptake and metabolic equivalent increased significantly during weight-free 15 kg and 50 kg full run (P0.01), but there was no significant difference between different weight-bearing amounts. The ventilation volume per minute increased significantly (P0.01), but the weight-free load was significantly higher than that of 15 kg and 50 kg (P0.01). With the increase of weight load, the speed decreased significantly, and the total energy consumption of 50 kg / min was significantly higher than that of no load and 15 kg (P0.01). Compared with rest state, blood lactic acid concentration increased significantly after 15 kg weight-free and 50 kg full-load running (P0.01), but 50kg loading was significantly lower than that of no-load and 15 kg (P0.01). There was no significant change in subjective fatigue between different weights. Conclusion: the cardiopulmonary response is almost the same under different load states when the aerobic and anaerobic mixed exercise is completed. However, with the increase of load, the ratio of aerobic function increased, and high load had a great effect on the total energy consumption and mobility of the body.
【作者單位】: 南京體育學(xué)院運動健康科學(xué)系;解放軍理工大學(xué)軍人身體適應(yīng)訓(xùn)練研究中心軍人體能訓(xùn)練與機(jī)能評定實驗室;解放軍理工大學(xué)雙龍街校區(qū)醫(yī)務(wù)室;
【基金】:解放軍理工大學(xué)預(yù)先研究基金 軍隊級教學(xué)成果獎培育立項課題
【分類號】:R82
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