The Proceedings of the Symposium on sports and human dynamics
Online ISSN : 2432-9509
2018
Session ID : D-10
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Identification of Anaerobic Threshold with strucchange
*Takenori AIDAHirofumi NONAKAKouji HAYAMIHisashi UCHIYAMAMasahito NAGAMORIAkira SHIONOYARika KIMOTOMai KOBAYASHITsugumi TAKAYAMAShinji KIMURATohru MINAMINO
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Abstract

Recently, various exercises have been performed including the participation in citizens' marathon meet in various scenes by a health-oriented surge. On the other hand, aging rate goes ahead through our country, it is inevitable that the senior citizens who deteriorated of the ADL (activity of daily living) increase. In late years, a certain exercise work load index AT (Anaerobic Threshold) comes to be used widely in the field of the exercise physiology. The anaerobic threshold (AT) is defined to be the maximum exercise workload in some range in which can do exercise without onset of the 1st blood lactate accumulation during a gradual incremental workload exercise. AT is generally determined by the lactate threshold (LT) method with a blood lactate sampling or by the ventilation threshold (VT) method with a ventilation expired gas volume measurement. These methods, however, were based on the experimental rule. The purpose of this study is to identify the AT by using the objective technique that does not depend on the experimental rule. Specifically, the inflection point of VE, VCO2 with a gradual incremental workload exercise for AT determination is identified by the strucchange.

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© 2018 The Japan Society of Mechanical Engineers
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