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Study of the dynamic changes in the characteristics of the rowers Simulated Competition lung function

Author: QinYuFei
Tutor: ZhangYing
School: Beijing Sport University
Course: Exercise Biochemistry
Keywords: Rowing Simulated game Dynamic cardio Subsection Speed ??arrangements
CLC: G861.4
Type: Master's thesis
Year: 2001
Downloads: 160
Quote: 1
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Abstract


The sport of rowing is a body aerobic, anaerobic metabolism capacity demanding projects, this study selected Concept Ⅱ Rowing dedicated ergometer analog Water actual competition in the most commonly used high-speed sail - the way deceleration - Last acceleration sprint \changes in the characteristics of research and analysis of the differences caused by the arrangement of the different segments of the speed reasonable arrangements for rowing coaches tactical game provides some theoretical basis, the proportion of the different paragraphs training training. The experimental study of 10 rowers (four male athletes, female athletes 6), male athlete height 1.87 ± 0.21 meters, weight 83.4 ± 9.3 kg; female athletes height 1.78 ± 0.12 meters, weight of 75.8 ± 10.9 kilograms. Each athlete to participate in three tests on the ergometer: maximal oxygen uptake test, Water actual game mode, according to the average segment speed mode ergometer twice 2000 m simulated game test, the three load test of time one week interval, test indicators for the number of tests of blood lactate and Oxygen Pro cardiopulmonary function instrument indicators, cardiopulmonary function instrument sampling interval of 40 ms, time calculation and processing of test data every five seconds. 2000 m simulated game segmented mode test athletes to participate in the test group is divided into analog and average group. The experimental results show that: the simulated race in the 2000 meters, all subjects simulated game results between VO2max maxVO 2 the VO 2 max% indicators are highly correlated, P <0.01 , the the simulation game scores and VO 2 / kg indicators related to the degree of male athletes 0.512, P <0.01 woman athletes to 0.677, P <0.01; starting from the second 500 meters paragraphs the male athletes lung ventilation to maintain oxygen uptake is maintained at 92.1 to 95.7%, the female athletes lung ventilation to maintain oxygen uptake was maintained at 89.1 to 99.1% from 89.1 to 99.1%, from 89.1 to 99.1%; in the first 500 meters of the paragraph, VCO 2 gradually faster than VO 2 completed → glycolysis by phosphorylation of the original aerobic muscle metabolism for energy transition; 2000 m simulated race with quiet state compared to male athletes PETO 2 increased about 2.42 ~ 3.00KPa of the female athletes PETO 2 increased about 2.25 to 3.84Kpa; All athletes from the second 500 meters paragraph the the the starting EQO to 2 > EQCO of 2 the the RER ≈ 1.10 to 1.20> 1.00; 2000 meters of all athletes in the simulation game VDe / VT lowest, with the first 500 meters paragraphs conduct simulated game VDe / VT gradually increased, but in the 2000 meters the whole process VDe / VT <0.20; all athletes Quiet state EQO to 2 2 paragraphs in the first 500 meters, EQO to 2 the ≈ EQCO 2 , the second and third paragraphs, four 500 m, EQO 2 > EQCO 2 ; 2000 meters simulated game Beijing Sports University, a master's degree thesis - analog group blood lactate peak 11.7d. 6. Leaves few, the average peak blood lactate group 16.8L5.7. OI few; the blood lactate accounted for as a group of female athletes simulation 9.5L4.2--OVL, average peak blood lactate group N. 2t5.1mO / L, the average group compared with analog peak blood lactate there are significant differences, P boron. 0 B all the sports page in the first 500 meters of paragraphs, With the achievements fluctuations, knock analog group B; significantly higher than average group, the men athletes P boron. 01 female athletes P boron. 05, but in the subsequent three 500 m paragraphs, the OVO; no significant difference with the fluctuations of the accomplishments P rapping. 05; 2000 contemplated the level of the game account with the first 50o meters paragraph B where 0; showed a significant negative correlation, P cut the throat. 01, and the third, four 500 meters paragraphs B where; highly correlated, P knock. 01. _ The above results the following conclusions can be drawn: 200O m simulation game requires not only athletes to have good edge China - \\the game progresses, lung ventilation flow perfusion gradually appear slightly offset; 2000 m simulated game process, different arrangements of the athletes sectional speed will cause the carbon dioxide emitted by the different amount of the first three, four 500-meter peak blood lactate reasons for the differences in the paragraph carbon dioxide emission fluctuations Xu Gucheng simulated game.

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