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Gender differences in oxygen consump...

Redus, Brady Steven.

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Gender differences in oxygen consumption, forward trunk lean and rating of perceived exertion during load carriage.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Gender differences in oxygen consumption, forward trunk lean and rating of perceived exertion during load carriage./
作者:	Redus, Brady Steven.
面頁冊數:	87 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-07, Section: B, page: 3378.
Contained By:	Dissertation Abstracts International65-07B.
標題:	Health Sciences, Medicine and Surgery. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3138314
ISBN:	0496854755

Gender differences in oxygen consumption, forward trunk lean and rating of perceived exertion during load carriage.
Redus, Brady Steven.

Gender differences in oxygen consumption, forward trunk lean and rating of perceived exertion during load carriage. - 87 p.

Source: Dissertation Abstracts International, Volume: 65-07, Section: B, page: 3378.

Thesis (Ph.D.)--Oklahoma State University, 2004.

Introduction. There is a need for additional research into the possibility of gender differences existing during load carriage with respect to metabolic rates, forward trunk lean (measure of body posture) and perception of exercise intensities (RPE). The evaluation of these variables is critical for the determination of physiological, psychological, and biomechanical differences that may exist between males and females while walking and carrying various weights by backpack. Important discoveries in these possible gender differences may help to ensure that the future backpacks may need to be designed specifically for women. Subjects. A total of 24 subjects volunteered for this study (12 male and 12 female, 23.58 +/- 2.31 years of age and 22.41 +/- 2.19 years of age, respectively). Recruitment of subjects was achieved through a sample of convenience and through investigator solicitation from a Midwestern University. Methods. Each subject received a random assignment for each of the three backpack carrying phases of 0%, 15% and 30% bodyweight [BWT]. A 15-minute rest period was given to each subject and grade was held at constant 3% for all walking phases. All three backpack carrying phases (0%, 15%, and 30% [BWT]) included; (1) standing-rest on the treadmill; (2) walking on the treadmill at 3 mi x hr -1; (3) self-selection of a walking speed on the treadmill. Results. There were no significant gender differences for standing-resting, 3 mi x hr-1 and self selection of speed for any and all backpack loads or dependent variables such as; oxygen consumption, rate of perceived exertion and forward trunk lean. However, there were significant differences between all loads for net metabolic cost, forward trunk lean and RPE for all subjects. Conclusions. When college age females carried weight in a backpack, expressed as percentage of bodyweight, metabolic rates, forward trunk lean and RPE was similar to the values of the males.

ISBN: 0496854755Subjects--Topical Terms:

1017756
Health Sciences, Medicine and Surgery.

Gender differences in oxygen consumption, forward trunk lean and rating of perceived exertion during load carriage.
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520 $a Introduction. There is a need for additional research into the possibility of gender differences existing during load carriage with respect to metabolic rates, forward trunk lean (measure of body posture) and perception of exercise intensities (RPE). The evaluation of these variables is critical for the determination of physiological, psychological, and biomechanical differences that may exist between males and females while walking and carrying various weights by backpack. Important discoveries in these possible gender differences may help to ensure that the future backpacks may need to be designed specifically for women. Subjects. A total of 24 subjects volunteered for this study (12 male and 12 female, 23.58 +/- 2.31 years of age and 22.41 +/- 2.19 years of age, respectively). Recruitment of subjects was achieved through a sample of convenience and through investigator solicitation from a Midwestern University. Methods. Each subject received a random assignment for each of the three backpack carrying phases of 0%, 15% and 30% bodyweight [BWT]. A 15-minute rest period was given to each subject and grade was held at constant 3% for all walking phases. All three backpack carrying phases (0%, 15%, and 30% [BWT]) included; (1) standing-rest on the treadmill; (2) walking on the treadmill at 3 mi x hr -1; (3) self-selection of a walking speed on the treadmill. Results. There were no significant gender differences for standing-resting, 3 mi x hr-1 and self selection of speed for any and all backpack loads or dependent variables such as; oxygen consumption, rate of perceived exertion and forward trunk lean. However, there were significant differences between all loads for net metabolic cost, forward trunk lean and RPE for all subjects. Conclusions. When college age females carried weight in a backpack, expressed as percentage of bodyweight, metabolic rates, forward trunk lean and RPE was similar to the values of the males.
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