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Effects of a Short-Term Heat Acclimation Protocol in Elite Amateur Boxers.

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Title: Effects of a Short-Term Heat Acclimation Protocol in Elite Amateur Boxers.
Authors: Stone, Brandon L., Ashley, John D., Skinner, Robert M., Polanco, Jose P., Walters, Mason T., Schilling, Brian K., Kellawan, J.M.
Source: Journal of Strength & Conditioning Research; Jul2022, Vol. 36 Issue 7, p1966-1971, 6p
Subject Terms: HEAT, EXERCISE tests, HYDRATION, SPECIFIC gravity, MEDICAL protocols, PRE-tests & post-tests, ATHLETIC ability, BOXING, BODY mass index, ACCLIMATIZATION, AMATEUR sports, SPRINTING
Abstract: Stone, BL, Ashley, JD, Skinner, RM, Polanco, JP, Walters, MT, Schilling, BK, and Kellawan, JM. Effects of a short-term heat acclimation protocol in elite amateur boxers. J Strength Cond Res 36(7): 1966–1971, 2022—Boxing requires proficient technical and tactical skills coupled with high levels of physiological capacity. Although heat and humidity negatively affect acute exercise performance, short-term exercise training in hot and humid environments can lead to physiological adaptations that enhance exercise performance in both hot and thermoneutral conditions. In highly trained endurance athletes, exercise-induced acclimation can occur in as little as 5 days (known as short-term heat acclimation [STHA]). However, the impact of a 5-day heat acclimation (5-DayHA) in combat athletes, such as elite amateur boxers, is unknown. The aim of the present investigation was to determine whether a 5-DayHA improves aerobic performance in a thermoneutral environment and causes positive physiological adaptations in elite boxers. Seven elite amateur boxers underwent a 5-DayHA protocol, consisting of 60-minute exercise sessions in an environmental chamber at 32 °C and 70% relative humidity. Repeat sprint test (RST) evaluated aerobic performance in a thermoneutral environment 24 hours before and after the 5-DayHA. Presession and postsession hydration status (urine specific gravity) and body mass were assessed. After a 5-DayHA period, boxers significantly improved RST performance (13 ± 7 to 19 ± 7 sprints, d = 0.92, p = 0.03) but not pre-exercise hydration status (1.02 ± 0.01 to 1.01 ± 0.01, d = 0.82, p = 0.07). Therefore, these findings suggest 5-DayHA enhances aerobic performance in elite-level amateur boxers and may provide a viable training option for elite combat athletes. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Strength & Conditioning Research is the property of Lippincott Williams & Wilkins and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Effects of a Short-Term Heat Acclimation Protocol in Elite Amateur Boxers.
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  Data: <searchLink fieldCode="AR" term="%22Stone%2C+Brandon+L%2E%22">Stone, Brandon L.</searchLink><br /><searchLink fieldCode="AR" term="%22Ashley%2C+John+D%2E%22">Ashley, John D.</searchLink><br /><searchLink fieldCode="AR" term="%22Skinner%2C+Robert+M%2E%22">Skinner, Robert M.</searchLink><br /><searchLink fieldCode="AR" term="%22Polanco%2C+Jose+P%2E%22">Polanco, Jose P.</searchLink><br /><searchLink fieldCode="AR" term="%22Walters%2C+Mason+T%2E%22">Walters, Mason T.</searchLink><br /><searchLink fieldCode="AR" term="%22Schilling%2C+Brian+K%2E%22">Schilling, Brian K.</searchLink><br /><searchLink fieldCode="AR" term="%22Kellawan%2C+J%2EM%2E%22">Kellawan, J.M.</searchLink>
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  Data: Journal of Strength & Conditioning Research; Jul2022, Vol. 36 Issue 7, p1966-1971, 6p
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  Data: <searchLink fieldCode="DE" term="%22HEAT%22">HEAT</searchLink><br /><searchLink fieldCode="DE" term="%22EXERCISE+tests%22">EXERCISE tests</searchLink><br /><searchLink fieldCode="DE" term="%22HYDRATION%22">HYDRATION</searchLink><br /><searchLink fieldCode="DE" term="%22SPECIFIC+gravity%22">SPECIFIC gravity</searchLink><br /><searchLink fieldCode="DE" term="%22MEDICAL+protocols%22">MEDICAL protocols</searchLink><br /><searchLink fieldCode="DE" term="%22PRE-tests+%26+post-tests%22">PRE-tests & post-tests</searchLink><br /><searchLink fieldCode="DE" term="%22ATHLETIC+ability%22">ATHLETIC ability</searchLink><br /><searchLink fieldCode="DE" term="%22BOXING%22">BOXING</searchLink><br /><searchLink fieldCode="DE" term="%22BODY+mass+index%22">BODY mass index</searchLink><br /><searchLink fieldCode="DE" term="%22ACCLIMATIZATION%22">ACCLIMATIZATION</searchLink><br /><searchLink fieldCode="DE" term="%22AMATEUR+sports%22">AMATEUR sports</searchLink><br /><searchLink fieldCode="DE" term="%22SPRINTING%22">SPRINTING</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Stone, BL, Ashley, JD, Skinner, RM, Polanco, JP, Walters, MT, Schilling, BK, and Kellawan, JM. Effects of a short-term heat acclimation protocol in elite amateur boxers. J Strength Cond Res 36(7): 1966–1971, 2022—Boxing requires proficient technical and tactical skills coupled with high levels of physiological capacity. Although heat and humidity negatively affect acute exercise performance, short-term exercise training in hot and humid environments can lead to physiological adaptations that enhance exercise performance in both hot and thermoneutral conditions. In highly trained endurance athletes, exercise-induced acclimation can occur in as little as 5 days (known as short-term heat acclimation [STHA]). However, the impact of a 5-day heat acclimation (5-DayHA) in combat athletes, such as elite amateur boxers, is unknown. The aim of the present investigation was to determine whether a 5-DayHA improves aerobic performance in a thermoneutral environment and causes positive physiological adaptations in elite boxers. Seven elite amateur boxers underwent a 5-DayHA protocol, consisting of 60-minute exercise sessions in an environmental chamber at 32 °C and 70% relative humidity. Repeat sprint test (RST) evaluated aerobic performance in a thermoneutral environment 24 hours before and after the 5-DayHA. Presession and postsession hydration status (urine specific gravity) and body mass were assessed. After a 5-DayHA period, boxers significantly improved RST performance (13 ± 7 to 19 ± 7 sprints, d = 0.92, p = 0.03) but not pre-exercise hydration status (1.02 ± 0.01 to 1.01 ± 0.01, d = 0.82, p = 0.07). Therefore, these findings suggest 5-DayHA enhances aerobic performance in elite-level amateur boxers and may provide a viable training option for elite combat athletes. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Strength & Conditioning Research is the property of Lippincott Williams & Wilkins and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1519/JSC.0000000000004233
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 6
        StartPage: 1966
    Subjects:
      – SubjectFull: HEAT
        Type: general
      – SubjectFull: EXERCISE tests
        Type: general
      – SubjectFull: HYDRATION
        Type: general
      – SubjectFull: SPECIFIC gravity
        Type: general
      – SubjectFull: MEDICAL protocols
        Type: general
      – SubjectFull: PRE-tests & post-tests
        Type: general
      – SubjectFull: ATHLETIC ability
        Type: general
      – SubjectFull: BOXING
        Type: general
      – SubjectFull: BODY mass index
        Type: general
      – SubjectFull: ACCLIMATIZATION
        Type: general
      – SubjectFull: AMATEUR sports
        Type: general
      – SubjectFull: SPRINTING
        Type: general
    Titles:
      – TitleFull: Effects of a Short-Term Heat Acclimation Protocol in Elite Amateur Boxers.
        Type: main
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          Name:
            NameFull: Stone, Brandon L.
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            NameFull: Ashley, John D.
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            NameFull: Skinner, Robert M.
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            NameFull: Polanco, Jose P.
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            NameFull: Walters, Mason T.
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            – D: 01
              M: 07
              Text: Jul2022
              Type: published
              Y: 2022
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              Value: 36
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