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The Impact of Palm Cooling During Exercise on Thermoregulation and Post Exercise Napping Behavior in Endurance Trained Athletes.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	The Impact of Palm Cooling During Exercise on Thermoregulation and Post Exercise Napping Behavior in Endurance Trained Athletes./
作者:	Kim, Sewan.
面頁冊數:	1 online resource (88 pages)
附註:	Source: Dissertations Abstracts International, Volume: 84-11, Section: B.
Contained By:	Dissertations Abstracts International84-11B.
標題:	Clinical psychology. -
電子資源:	click for full text (PQDT)
ISBN:	9798379532192

The Impact of Palm Cooling During Exercise on Thermoregulation and Post Exercise Napping Behavior in Endurance Trained Athletes.
Kim, Sewan.

The Impact of Palm Cooling During Exercise on Thermoregulation and Post Exercise Napping Behavior in Endurance Trained Athletes. - 1 online resource (88 pages)

Source: Dissertations Abstracts International, Volume: 84-11, Section: B.

Thesis (Ph.D.)--University of Colorado at Boulder, 2023.

Includes bibliographical references

Strategies to improve health, performance and recovery for athletes are important. Palm cooling has been suggested to improve thermoregulation during exercise. This dissertation examined how palm cooling during continuous and intermittent exercise influenced parameters including core temperature, skin temperatures, metabolic and cardiorespiratory parameters, sweat loss, plasma osmolality, blood volume, red cell volume and plasma volume. In addition, the impact that continuous exercise with and without palm cooling has on sleep onset, total sleep time and slow wave sleep during a one-hour daytime napping opportunity was examined. We investigated whether palm cooling during continuous and intermittent exercise improved thermoregulation in endurance trained athletes. During 30 minutes of continuous exercise at lactate threshold, the rise in core body temperature was attenuated with palm cooling (delta at 30 minutes = -0.26 °C [95% CI: -0.41 to -0.12], p < 0.001). These changes were associated with significantly reduced energy expenditures (delta at 30 minutes = -0.49 kcal*min-1 [95% CI: -0.62 to -0.36], p < 0.001) and sweat losses (delta at 30 minutes = -70.2 mL [95% CI: -104.3 to -36.0], p < 0.001) but did not alter the exercise changes in plasma volume and osmolality. Intermittent exercise included ten 2-minute-high intensity intervals with two minutes of rest in between. During intermittent exercise, palm cooling significantly attenuated the rise in core body temperature (delta at final rest interval = -0.15 °C [95% CI: -0.18 to -0.12] p < 0.001; delta at final exercise interval = -0.17 °C [95% CI: -0.19 to -0.14], p < 0.001) and heart rate (delta during rest = -5.5 bpm [95% CI: -7.2 to -3.8], p = 0.031; delta during exercise = -4.4 bpm [95% CI: -4.9 to -3.3], p = 0.011). These changes were associated with significantly reduced sweat losses (delta = -113.4 mL [95% CI: -197.7 to -29.2], p = 0.011), but did not alter the exercise changes in plasma volume and osmolality. These results suggest that palm cooling is a potential strategy for lowering core temperature and reducing the stress of thermoregulation during continuous and intermittent exercise. Furthermore, the absence of a cooling effect on the exercise changes in plasma volume and osmolality in both conditions suggests that sweat loss does not impact intravascular fluid loss during exercise intensities at and above lactate threshold. A secondary aspect of this protocol was to examine the impact of continuous exercise with and without palm cooling on post exercise napping behavior in endurance trained athletes. We found that sleep onset, total sleep time and slow wave sleep were similar during naps after exercise with and without cooling. However, total sleep time (palm cool: delta = 10.7 min [95% CI: 1.1 - 20.3], p = 0.027; no cool: delta = 12.9 min [95% CI:3.2 - 22.5], p = .007) and slow wave sleep (palm cool: delta = 10.8 min [95% CI: 1.2 - 19.5], p = 0.025; no cool: delta = 14.8 min [95% CI: 4.0 - 21.3], p = 0.002) increased during napping opportunities after both exercise conditions when compared to a control nap. This suggests that napping opportunities 45 minutes after exercise in endurance trained athletes may increase total daily sleep and time spent in slow wave sleep.This dissertation demonstrates that palm cooling could be used as a strategy to improve thermoregulation during continuous and intermittent exercise, while post exercise napping may improve total daily sleep time and slow wave sleep time.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798379532192Subjects--Topical Terms:

649607
Clinical psychology.
Subjects--Index Terms:

Palm coolingIndex Terms--Genre/Form:

554714
Electronic books.

The Impact of Palm Cooling During Exercise on Thermoregulation and Post Exercise Napping Behavior in Endurance Trained Athletes.
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