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Physiological and perceptual respons...

The University of Mississippi., Health and Kinesiology.

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Physiological and perceptual responses to alternate modes of exercise at self selected or prescribed intensity between overweight and non-overweight individuals.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Physiological and perceptual responses to alternate modes of exercise at self selected or prescribed intensity between overweight and non-overweight individuals./
Author:	Galloway, James Riley.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
Description:	137 p.
Notes:	Source: Dissertation Abstracts International, Volume: 78-04(E), Section: B.
Contained By:	Dissertation Abstracts International78-04B(E).
Subject:	Health sciences. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10160548
ISBN:	9781369154559

Physiological and perceptual responses to alternate modes of exercise at self selected or prescribed intensity between overweight and non-overweight individuals.
Galloway, James Riley.

Physiological and perceptual responses to alternate modes of exercise at self selected or prescribed intensity between overweight and non-overweight individuals. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 137 p.

Source: Dissertation Abstracts International, Volume: 78-04(E), Section: B.

Thesis (Ph.D.)--The University of Mississippi, 2016.

Purpose: To investigate the influence of body weight, exercise modality, and pace on physiological and perceptual responses during walking. Also, to determine if the relationship between physiological and perceptual responses was altered by modality, pace, or weight status. Methods: Aerobically untrained males (n=80, 22.85 +/- 3.61 years) and females (n=80, 21.18 +/- 1.52 years) classified as either overweight or non-overweight participated. Individuals completed two sessions separated by 72 hours. Session 1 included familiarization, whole body DXA scan, treadmill test to exhaustion, and a 70 foot walk test to determine self selected walking speed. For session 2, participants were randomly assigned to an exercise condition for a one mile walk (track at self selected intensity, treadmill at self selected intensity, track at prescribed intensity, treadmill at prescribed intensity) while physiological, perceptual, and metabolic parameters were collected. Results: Factorial ANOVA controlling for sex showed at prescribed pace, the track increased blood lactate significantly from pre to post-exercise when compared to the treadmill. Prescribed pace produced a greater increase in blood lactate from pre to post-exercise compared to self selected pace. Prescribed pace resulted in greater increases in blood pressures, longer heart rate recovery, greater average oxygen consumption, higher average and final heart rates, and higher energy expenditure during exercise (kcal/min). Overweight individuals showed higher values for final heart rate, percentage of maximal heart rate worked, and total energy expenditure. Greater perceived effort and higher pain ratings were seen on the treadmill and at prescribed pace. The variation in RPE responses during prescribed pace was found to be significantly greater than the self selected exercise. Conclusion: A novel finding of this study was the increased physiological stress and perception of effort during prescribed pace exercise and on the treadmill while total energy expenditure showed no significant differences. This could indicate an unfavorable perception and less affective response to the treadmill. With energy balance as a primary concern with overweight and obese populations, these results indicate that exercise at self selected pace in the preferred environment promotes an enjoyable experience with similar health benefits as those seen during exercise at prescribed higher intensity.

ISBN: 9781369154559Subjects--Topical Terms:

3168359
Health sciences.

Physiological and perceptual responses to alternate modes of exercise at self selected or prescribed intensity between overweight and non-overweight individuals.
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520 $a Purpose: To investigate the influence of body weight, exercise modality, and pace on physiological and perceptual responses during walking. Also, to determine if the relationship between physiological and perceptual responses was altered by modality, pace, or weight status. Methods: Aerobically untrained males (n=80, 22.85 +/- 3.61 years) and females (n=80, 21.18 +/- 1.52 years) classified as either overweight or non-overweight participated. Individuals completed two sessions separated by 72 hours. Session 1 included familiarization, whole body DXA scan, treadmill test to exhaustion, and a 70 foot walk test to determine self selected walking speed. For session 2, participants were randomly assigned to an exercise condition for a one mile walk (track at self selected intensity, treadmill at self selected intensity, track at prescribed intensity, treadmill at prescribed intensity) while physiological, perceptual, and metabolic parameters were collected. Results: Factorial ANOVA controlling for sex showed at prescribed pace, the track increased blood lactate significantly from pre to post-exercise when compared to the treadmill. Prescribed pace produced a greater increase in blood lactate from pre to post-exercise compared to self selected pace. Prescribed pace resulted in greater increases in blood pressures, longer heart rate recovery, greater average oxygen consumption, higher average and final heart rates, and higher energy expenditure during exercise (kcal/min). Overweight individuals showed higher values for final heart rate, percentage of maximal heart rate worked, and total energy expenditure. Greater perceived effort and higher pain ratings were seen on the treadmill and at prescribed pace. The variation in RPE responses during prescribed pace was found to be significantly greater than the self selected exercise. Conclusion: A novel finding of this study was the increased physiological stress and perception of effort during prescribed pace exercise and on the treadmill while total energy expenditure showed no significant differences. This could indicate an unfavorable perception and less affective response to the treadmill. With energy balance as a primary concern with overweight and obese populations, these results indicate that exercise at self selected pace in the preferred environment promotes an enjoyable experience with similar health benefits as those seen during exercise at prescribed higher intensity.
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