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Oral glucose tolerance after an acut...

Bell-Wilson, Jenna A.

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Oral glucose tolerance after an acute bout of continuous exercise versus multiple exhaustive bouts.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Oral glucose tolerance after an acute bout of continuous exercise versus multiple exhaustive bouts./
作者:	Bell-Wilson, Jenna A.
面頁冊數:	86 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-08, Section: A, page: 2935.
Contained By:	Dissertation Abstracts International65-08A.
標題:	Education, Physical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3144066
ISBN:	0496027603

Oral glucose tolerance after an acute bout of continuous exercise versus multiple exhaustive bouts.
Bell-Wilson, Jenna A.

Oral glucose tolerance after an acute bout of continuous exercise versus multiple exhaustive bouts. - 86 p.

Source: Dissertation Abstracts International, Volume: 65-08, Section: A, page: 2935.

Thesis (Ph.D.)--The University of New Mexico, 2004.

The purpose of this study was to assess oral glucose tolerance and plasma insulin concentrations following an acute bout of continuous exercise versus multiple exhaustive bouts. Methods. Fit, male subjects (N = 10) participated in two separate trials following a baseline resting oral glucose tolerance test (OGTT) providing glucose at 1.8 g/kg of LBM, and VO 2peak determination. Trial one consisted of multiple exhaustive bouts (MEB) on a cycle ergometer at 110% of maximum watts with 10-minute low intensity intervals. Time was recorded for each bout and added to the three 10-minute intervals and time for warm-up to determine the duration of the continuous exercise bout (CEB). The intensity for CEB was 50% maximum watts for an average time of 39.42 (+/- 0.87) minutes. Both trials included measurements of expired gas and were immediately followed by an OGTT. Results. No difference was detected between rest, MEB and CEB for plasma glucose concentration (p = 0.452) or plasma insulin concentration (p = 0.819). The area under the glucose concentration curve did not differ at rest, MEB and CEB (p = 0.482), nor did the area under the insulin concentration curve (p = 0.853). Conclusion. Although no difference was detected between rest and exercise trials, the results suggest that trained individuals may reach an optimal level of insulin sensitivity that is not further enhanced by a single bout of exercise. In addition, the duration of the exercise trials may have been too brief to invoke changes. It is proposed that exercise duration is a factor in improving glucose disposal and insulin sensitivity. The results provide direction for future research in untrained individuals, those with lower insulin sensitivity or with insulin resistance and to determine the effects of exercise duration on glucose uptake and the insulin response.

ISBN: 0496027603Subjects--Topical Terms:

1018000
Education, Physical.

Oral glucose tolerance after an acute bout of continuous exercise versus multiple exhaustive bouts.
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