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- W2384236594 abstract "Objective Changes in muscle oxygen content in fin swimming training were detected by near infrared reflectance spectroscopy(NIRS),to instruct training before competition and to provide basis for gaining outstand achievements in game.Methods Ten best fin swimmers were selected,in which four male and six female.The athletes were monitored with NIRS muscle oxygen monitor,MAX-II heart and lung function instrument when they to do increasing load exercise by power bike.The relationship of oxyhemoglobin(HbO2),volume of oxygen uptake(VO2),volume of carbon dioxide output(VCO2) and lactic acid(LA) were analyzed,and relationship of maximal oxygen uptake(VO2max),relative VO2max,lactate threshold(LT),ventilatory threshold(VT) and sports achievement were analyzed.Results Blood volume increased and HbO2 decreased gradually in skeletal muscle at movement began,HbO2 decreased significantly with increasing load exercise,HbO2 continued to decline when movement reached the oxygen dissociation turning point.VO2 curve was above VCO2 curve at early exercise,VO2 and VCO2 curve were rising with increasing load exercise,VCO2 curve was exceed VO2 curve when movement reached the respiratory quotient inflection value of blood LA was increased slowly at initial movement,and it was increased dramatically after movement reached LT inflection point.The content of HbO2 and VO2 and LA showed high correlation(P0.01);The value of VO2max,VT,LT and sport performance showed significantly correlated(P0.01).Conclusion NIRS technology has important significance for monitoring training effect of athletes.Monitoring of muscle oxygen content can be used in fin swimmers training,to instruction training before competition and to prediction sports performance." @default.
- W2384236594 created "2016-06-24" @default.
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- W2384236594 date "2011-01-01" @default.
- W2384236594 modified "2023-09-24" @default.
- W2384236594 title "Application and evaluation of near infrared reflectance spectroscopy on fin swimming training before the competition" @default.
- W2384236594 hasPublicationYear "2011" @default.
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