저항운동이 CNTF 유전자 다형성에 따른 하지의 운동단위 동원능력, 근기능 및 운동수행능력에 미치는 영향

다국어 초록 (Multilingual Abstract)

The purpose of this study was to identify the effects of resistance exercise on motor unit recruitment, muscularstrength, muscular endurance, and exercise performance acording to CNTF gene polymorphism. Thesubjects of this study covered 8 normal homozygote GG group and 10 mutation heterozygote and homozygoteGA/AA group according to CNTF gene polymorphism. They performed resistance exercise during 8weeks. Comparative analysis of the results following conclusions were obtained by measuring body compositionand muscular function variables. Muscle mass(p<.001), fat free mass(p<.001), and body fat(p<.001)significantly improved in the GG and GA/AA groups. SUMP area o fvastus medialis during isokinetic exerciseof 180°/sec(p<.05), peak torque per body weight of knee joint extensor durin gisokinetic exercise of60°/sec(p<.001), peak torque per body weight of knee joint extensor during isokinetic exercise of 180°/sec(p<.001), reaction rate(p<.01), vertical jump(p<.001), side step(p<.001), 50m running time(p<.01), significantlyimproved in the GG and GA/AA groups. The changes opf eak torque per body weight of knee join textensor during isokinetic exercise of 60°/sec(p<.05) in the GA/AA group were significant higher than in th eGG group. In summary, resistance exercise had positive effect on motor unit recruitment, muscular endurance,and exercise performance regardless of CNTF gene polymorphism.H owever, muscle strength showed thedifference according to CNTF gene polymorphism.

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