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The Effects of High Intensity Interv...

Alyousif, Zakaria A.

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The Effects of High Intensity Interval Training (HIIT) on Asthmatic Adult Males.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Effects of High Intensity Interval Training (HIIT) on Asthmatic Adult Males./
作者:	Alyousif, Zakaria A.
面頁冊數:	76 p.
附註:	Source: Masters Abstracts International, Volume: 54-04.
Contained By:	Masters Abstracts International54-04(E).
標題:	Kinesiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1586053
ISBN:	9781321663877

The Effects of High Intensity Interval Training (HIIT) on Asthmatic Adult Males.
Alyousif, Zakaria A.

The Effects of High Intensity Interval Training (HIIT) on Asthmatic Adult Males. - 76 p.

Source: Masters Abstracts International, Volume: 54-04.

Thesis (M.S.)--The University of Toledo, 2014.

This study examined pulmonary function, ventilation, exercise tolerance and the fractional concentration of exhaled nitric oxide (FeNO) in healthy controls (CON; n=7) and asthmatics (ASTH; n=7) following two-weeks of high intensity interval training (HIIT). An increase in FeNO above basal levels is associated with lung inflammation and is gaining popularity as a reliable diagnostic tool for the treatment of asthma. PURPOSE: The extent that HIIT decreases FeNO and thus, exercise tolerance in asthmatic subjects has not been previously investigated. METHODS: Pulmonary function was assessed using peak expiratory flow [PEF], forced vital capacity [FVC], and the ratio of forced expiratory volume in one second to FVC [FEV1 /FVC]. FeNO was measured noninvasively using a NIOX portable device. Both groups performed a progressive exercise test (20 W/min) on a cycle ergometer to determine peak values of O2 uptake (VO2peak), CO2 output (VCO 2peak), ventilation (VE) and time to exhaustion (TTE). Each subject completed six sessions of HIIT, which included 8 minutes of loadless cycling warm-up, 10 x 60 s bouts of exercise interspersed with 60 s periods of recovery at a low intensity of cycling. The intensity of the HIIT protocol was set at a target equivalent to 75% peak WR for ASTH and 80% peak WR for CON. Each training session was followed by 5 minutes of loadless cycling cool down. Following completion of all HIIT sessions, each subject repeated the pulmonary and exercise tests that were performed prior to training. A two-way analysis of variance with repeated measures (ANOVA-RM) was used to examine main effects, group (CON vs. ASTH) and time (Pre- vs.Post-HIIT) and significant interactions (Group x Time). A Student Newman Kuels post hoc test was used to determine specific differences as appropriate. Statistical significance was set at p < 0.05 RESULTS: Significant differences were found between the groups in FeNO, VO2peak, TTE, and peak WR. No differences were found between or within the groups in the pulmonary function measures. The pre-HIIT mean +/- SEM of FeNO was 28 +/- 2 ppb in ASTH versus 18 +/- 1 ppb in CON and post-HIIT 28 +/- 2 ppb versus 16 +/- 3 ppb. The pre-HIIT mean +/- SEM of TTE in ASTH was 691 +/- 40 s and in CON was 998 +/- 23 s, while post-HIIT TTEs were 781 +/- 41 s and 1033 +/- 36 s respectively. Pre-HIIT peak WR in ASTH was 175 +/- 13 W and in CON 290 +/- 10 W, while post-HIIT was 203 +/- 14 W in ASTH versus 302 +/- 13 W in CON. CONCLUSIONS: The HIIT was well tolerated by the ASTH subjects, and they were able to achieve a higher VE, VCO2, TTE, and peak WR following 6 sessions on HIIT.

ISBN: 9781321663877Subjects--Topical Terms:

517627
Kinesiology.

The Effects of High Intensity Interval Training (HIIT) on Asthmatic Adult Males.
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245 1 4 $a The Effects of High Intensity Interval Training (HIIT) on Asthmatic Adult Males.
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500 $a Source: Masters Abstracts International, Volume: 54-04.
500 $a Adviser: Barry W. Scheuermann.
502 $a Thesis (M.S.)--The University of Toledo, 2014.
520 $a This study examined pulmonary function, ventilation, exercise tolerance and the fractional concentration of exhaled nitric oxide (FeNO) in healthy controls (CON; n=7) and asthmatics (ASTH; n=7) following two-weeks of high intensity interval training (HIIT). An increase in FeNO above basal levels is associated with lung inflammation and is gaining popularity as a reliable diagnostic tool for the treatment of asthma. PURPOSE: The extent that HIIT decreases FeNO and thus, exercise tolerance in asthmatic subjects has not been previously investigated. METHODS: Pulmonary function was assessed using peak expiratory flow [PEF], forced vital capacity [FVC], and the ratio of forced expiratory volume in one second to FVC [FEV1 /FVC]. FeNO was measured noninvasively using a NIOX portable device. Both groups performed a progressive exercise test (20 W/min) on a cycle ergometer to determine peak values of O2 uptake (VO2peak), CO2 output (VCO 2peak), ventilation (VE) and time to exhaustion (TTE). Each subject completed six sessions of HIIT, which included 8 minutes of loadless cycling warm-up, 10 x 60 s bouts of exercise interspersed with 60 s periods of recovery at a low intensity of cycling. The intensity of the HIIT protocol was set at a target equivalent to 75% peak WR for ASTH and 80% peak WR for CON. Each training session was followed by 5 minutes of loadless cycling cool down. Following completion of all HIIT sessions, each subject repeated the pulmonary and exercise tests that were performed prior to training. A two-way analysis of variance with repeated measures (ANOVA-RM) was used to examine main effects, group (CON vs. ASTH) and time (Pre- vs.Post-HIIT) and significant interactions (Group x Time). A Student Newman Kuels post hoc test was used to determine specific differences as appropriate. Statistical significance was set at p < 0.05 RESULTS: Significant differences were found between the groups in FeNO, VO2peak, TTE, and peak WR. No differences were found between or within the groups in the pulmonary function measures. The pre-HIIT mean +/- SEM of FeNO was 28 +/- 2 ppb in ASTH versus 18 +/- 1 ppb in CON and post-HIIT 28 +/- 2 ppb versus 16 +/- 3 ppb. The pre-HIIT mean +/- SEM of TTE in ASTH was 691 +/- 40 s and in CON was 998 +/- 23 s, while post-HIIT TTEs were 781 +/- 41 s and 1033 +/- 36 s respectively. Pre-HIIT peak WR in ASTH was 175 +/- 13 W and in CON 290 +/- 10 W, while post-HIIT was 203 +/- 14 W in ASTH versus 302 +/- 13 W in CON. CONCLUSIONS: The HIIT was well tolerated by the ASTH subjects, and they were able to achieve a higher VE, VCO2, TTE, and peak WR following 6 sessions on HIIT.
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