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Reinforcing value of interval and co...

Barkley, Jacob Edward.

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Reinforcing value of interval and continuous exercise above and below the ventilatory threshold.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Reinforcing value of interval and continuous exercise above and below the ventilatory threshold./
Author:	Barkley, Jacob Edward.
Description:	131 p.
Notes:	Adviser: James N. Roemmich.
Contained By:	Dissertation Abstracts International67-11B.
Subject:	Biology, Physiology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3244253
ISBN:	9780542998409

Reinforcing value of interval and continuous exercise above and below the ventilatory threshold.
Barkley, Jacob Edward.

Reinforcing value of interval and continuous exercise above and below the ventilatory threshold. - 131 p.

Adviser: James N. Roemmich.

Thesis (Ph.D.)--State University of New York at Buffalo, 2007.

Purpose. During play children engage in intermittent bouts of activity less than 15 seconds in duration, much like interval training. These short bouts comprise 95% of their total physical activity. Despite this observed natural preference for interval-type activity, the reinforcing value of interval relative to continuous exercise has not yet been examined.

ISBN: 9780542998409Subjects--Topical Terms:

1017816
Biology, Physiology.

Reinforcing value of interval and continuous exercise above and below the ventilatory threshold.
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020 $a 9780542998409
035 $a (UMI)AAI3244253
035 $a AAI3244253
040 $a UMI $c UMI
100 1 $a Barkley, Jacob Edward. $3 1265601
245 1 0 $a Reinforcing value of interval and continuous exercise above and below the ventilatory threshold.
300 $a 131 p.
500 $a Adviser: James N. Roemmich.
500 $a Source: Dissertation Abstracts International, Volume: 67-11, Section: B, page: 6725.
502 $a Thesis (Ph.D.)--State University of New York at Buffalo, 2007.
520 $a Purpose. During play children engage in intermittent bouts of activity less than 15 seconds in duration, much like interval training. These short bouts comprise 95% of their total physical activity. Despite this observed natural preference for interval-type activity, the reinforcing value of interval relative to continuous exercise has not yet been examined.
520 $a Methods. Ventilatory threshold (VT) and VO2 peak were determined in boys (n = 16) and girls (n = 16) (age 10+/-1.3 years). Children sampled interval and continuous exercise on a cycle ergometer at 20% <VT on one day and 5% >VT on another day. The exercise protocols were matched for energy expenditure on each day. After sampling the exercise protocols children played a computer game to assess the RRV of interval versus continuous exercise by having children work to earn access to either interval or continuous exercise in 1-min blocks for a total of 7 min (fixed ratio schedule; 4, 8, 16, 32, 64, 128, 256). The amount of time children earned and the total amount of button presses they performed for interval or continuous were compared.
520 $a Results. There were no differences in the amount of time earned (P = 0.07) or work performed (P = 0.34) for interval exercise >VT and <VT. Children performed more button presses (P≤0.01) during the computer game for access to interval compared to continuous exercise >VT and <VT. Children also earned a greater proportion of minutes for interval compared to continuous exercise >VT (P = 0.02), but not <VT (P=0.20).
520 $a Conclusions. Interval exercise was more reinforcing than continuous exercise for children when exercising both >VT and <VT. These results support the notion that children participate in short-duration bouts of activity at a high-rate during natural play because that type of activity is more reinforcing than longer, continuous activity.
590 $a School code: 0656.
650 4 $a Biology, Physiology. $3 1017816
650 4 $a Health Sciences, Recreation. $3 1018003
650 4 $a Psychology, Behavioral. $3 1017677
650 4 $a Psychology, Physiological. $3 1017869
690 $a 0384
690 $a 0575
690 $a 0719
690 $a 0989
710 2 0 $a State University of New York at Buffalo. $3 1017814
773 0 $t Dissertation Abstracts International $g 67-11B.
790 $a 0656
790 1 0 $a Roemmich, James N., $e advisor
791 $a Ph.D.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3244253