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Journal of Exercise Nutrition & Biochemistry 2001;5(2):93-102.
Original article : The influences of isokinetic exercise during short time on the variation of muscular function and the level of muscular enzyme
Abstract
The purpose of this study examines closely influences with the Thigh muscle function and muscle enzyme level on the lines of short-time isokinetic exercise. The subject of investigation was a sample of 10 healthy males who belong to the department of physical education and 10 males other departments. Two sectors were measured and analyzed, activity of blood enzyme of muscle; LDH and CPK, which was made by repetition of motion before and after with extenion/flexion and the muscular strength and endurance of the thigh around knee joint by using biodex. This research provides the results as follows; 1. In terms of changes in the muscular strength of the two groups, such factors as flection and extension turned out to be significant(p<.01) at 60˚ /sec, the low-speed load of uniform velocity, and they proved to be significant(p<.01) at 120˚ /sec, the middle-speed load of uniform velocity. 2. In terms of changes in muscular endurance, the total work proved to be significant between the two groups when they got 30 times of flection and extension exercise at 240˚ /sec of angle speed. 3. CPK proved to be significant(p<.05) in terms of changes in the level of muscular serum enzymes after the two groups engaged in the maximum flection and extension exercise at 240˚ /sec of high speed. And athletes turned out to be higher than their counterparts in terms of increases after they took part in exercise. LDH proved to be similar between the two groups before or after exercise. The survey shows that the athletes exposed to exercise at a regular basis have higher muscular endurance and lower muscular fatigue than their counterparts. Therefore if patients suffering from problems with the muscular system are engaged in regular exercise, they can normally live soon.
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