Abstract:
:The current study examined the effect of sprint interval exercise on postexercise oxygen consumption, respiratory-exchange ratio (RER), substrate oxidation, and blood pressure in adolescents. Participants were 10 normal-weight healthy youth (7 female), age 15-18 years. After overnight fasts, each participant undertook 2 trials in a random balanced order: (a) two 30-s bouts of sprint interval exercise on a cycle ergometer and (b) rested in the laboratory for an equivalent period. Time-matched measurements of oxygen consumption, RER, and blood pressure were made 90 min into recovery, and substrate oxidation were calculated over the time period. Total postexercise oxygen uptake was significantly higher in the exercise than control trial over the 90 min (mean [SD]: control 20.0 [6.0] L, exercise 24.8 [9.8] L; p=.030). After exercise, RER was elevated above control but then fell rapidly and was lower than control 30-60 min postexercise, and fat oxidation was significantly higher in the exercise than control trial 45-60 min postexercise. However, total fat oxidation did not differ between trials (control 4.5 [2.5] g, exercise 5.4 [2.7] g; p=.247). Post hoc tests revealed that systolic blood pressure was significantly lower than in control at 90 min postexercise (control 104 [10] mm Hg, exercise 99 [10] mm Hg; p<.05). These data indicate that acute sprint interval exercise leads to short-term increases in oxygen uptake and reduced blood pressure in youth. The authors suggest that health outcomes in response to sprint interval training be examined in children.
journal_name
Int J Sport Nutr Exerc Metabauthors
Burns SF,Oo HH,Tran ATdoi
10.1123/ijsnem.22.1.47subject
Has Abstractpub_date
2012-02-01 00:00:00pages
47-54issue
1eissn
1526-484Xissn
1543-2742journal_volume
22pub_type
临床试验,杂志文章,随机对照试验abstract::Twelve healthy active subjects (6 male, 6 female) performed 60 min of exercise (60% VO(2max)) on 3 occasions after supplementing with L-Carnitine L-tartrate (LCLT) or placebo. Each subject received a chronic dose, an acute dose, and placebo in a randomized, double-blind crossover design. Dietary intake and exercise we...
journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
doi:10.1123/ijsnem.15.4.386
更新日期:2005-08-01 00:00:00
abstract::With the increasing knowledge about the role of nutrition in increasing exercise performance, it has become clear over the last 2 decades that amino acids, protein, and protein hydrolysates can play an important role. Most of the attention has been focused on their effects at a muscular level. As these nutrients are i...
journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,评审
doi:10.1123/ijsnem.17.s1.s1
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abstract::Hypoxic exercise is characterized by workloads decrements. Because exercise and high altitude independently elicit redox perturbations, the study purpose was to examine hypoxic and normoxic steady-state exercise on blood oxidative stress. Active males (n = 11) completed graded cycle ergometry in normoxic (975 m) and h...
journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
doi:10.1123/ijsnem.2013-0188
更新日期:2014-12-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
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更新日期:2013-08-01 00:00:00
abstract::Opuntia ficus indica (OFI) has many physiological effects, but a relationship between OFI and heart-rate variability (HRV) has never been established. The aim of this study was to describe the effects of a diet supplement of OFI on HRV in athletes. The first day, heart rate (HR) was measured at rest in supine (SU) and...
journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,评审
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更新日期:2010-04-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,评审
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
doi:10.1123/ijsnem.20.1.34
更新日期:2010-02-01 00:00:00
abstract::The effects of acute ingestion of caffeine on short-duration high-intensity performance are equivocal, while studies of novel modes of delivery and the efficacy of low doses of caffeine are warranted. The aims of the present study were to investigate the effect of acute ingestion of caffeinated chewing gum on repeated...
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pub_type: 杂志文章,随机对照试验
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更新日期:2018-05-01 00:00:00
abstract:PURPOSE:This study investigated the effect of bovine colostrum (BC) on mucosal defense in the respiratory tracts of athletes and a nonexercising control group. METHODS:An athlete cohort (ATH) of 25 (12 male, 13 female) elite swimmers (age 14-23 yr) and a control cohort (CON) of 28 (9M, 19F) students (age 18-27 yr) wer...
journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
doi:10.1123/ijsnem.20.3.224
更新日期:2010-06-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章
doi:10.1123/ijsnem.12.1.24
更新日期:2002-03-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
doi:10.1123/ijsnem.17.3.296
更新日期:2007-06-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1123/ijsnem.13.4.466
更新日期:2003-12-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2004-10-01 00:00:00
abstract::Vanadium compounds have been shown to have insulin-like properties in rats and non-insulin-dependent diabetic humans. The purpose of the present study was to examine whether the effects of acute and short-term administration of vanadyl sulfate (VA) on insulin sensitivity also exist in healthy active individuals. Five ...
journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章
doi:10.1123/ijsnem.12.4.470
更新日期:2002-12-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
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更新日期:2000-12-01 00:00:00
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更新日期:2002-06-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
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更新日期:2007-08-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章,随机对照试验
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更新日期:2010-08-01 00:00:00
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journal_title:International journal of sport nutrition and exercise metabolism
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2018-09-26 00:00:00
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pub_type: 杂志文章
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更新日期:2012-08-01 00:00:00