Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Daniel G. Syrotuik"'
Publikováno v:
INTERNATIONAL JOURNAL OF KINESIOLOGY AND SPORTS SCIENCE, Vol 4, Iss 3, Pp 1-9 (2016)
Background: Caffeine has been used by some athletes to improve short-term high-intensity exercise performance; however, the literature is equivocal. Objectives: The objective of this study was to investigate the effects of caffeine on plasma potassiu
Autor:
Daniel G. Syrotuik, Maria Gallo, Michelle J. Jendral, Walter T. Dixon, Karen J. B. Martins, Charles T. Putman, Ian M. MacLean, Tessa Gordon
Publikováno v:
Applied Physiology, Nutrition, and Metabolism. 40:671-682
This study tested the hypothesis that elevating the intracellular phosphorylation potential (IPP = [ATP]/[ADP]free) within rat fast-twitch tibialis anterior muscles by creatine (Cr) loading would prevent fast-to-slow fibre transitions induced by chro
Publikováno v:
Journal of Human Kinetics
This study compared two different body positions at the finish of a stroke during stationary rowing exercise on physiological and kinematic measurements. Nine male and five female rowers volunteered for the study: mean age (± SD), body height and bo
Publikováno v:
Research in Sports Medicine. 19:217-230
This study examined inspiratory and expiratory resistive loading combined with strength and endurance training on pulmonary function and rowing performance. Twenty-one male (n = 9) and female (n = 12) rowers were matched on 2000 m simulated rowing ra
Autor:
Tessa Gordon, Ian M. MacLean, Maria Gallo, Neil Tyreman, Karen J. B. Martins, Charles T. Putman, Daniel G. Syrotuik
Publikováno v:
American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 294:R1319-R1328
We investigated the effects of chronic creatine loading and voluntary running (Run) on muscle fiber types, proteins that regulate intracellular Ca2+, and the metabolic profile in rat plantaris muscle to ascertain the bases for our previous observatio
Publikováno v:
Applied Physiology, Nutrition, and Metabolism. 31:588-596
To determine the effect of carbohydrate supplementation on the immune and stress hormone responses to 1 h of strenuous rowing exercise, 22 male subjects were randomly assigned to a placebo (PLA, n = 11) or carbohydrate (CHO, n = 11) group. Subjects c
Publikováno v:
International Journal of Sport and Exercise Psychology. 4:7-24
The purpose of this study was to examine the relationship between athletes’ perfectionist orientations and their dispositional tendencies to experience anger in sport. A sample of 138 male teenage high‐performance Canadian Football players (M age
Autor:
John G.H. Dunn, Janice Causgrove Dunn, Janelle M. Craft, John K. Gotwals, Jeff K. Vallance, Daniel G. Syrotuik
Publikováno v:
Psychology of Sport and Exercise. 7:57-79
Objective To obtain internal and external validity evidence supporting the use of the Sport Multidimensional Perfectionism Scale ( Sport - MPS : Dunn, J. G. H., Causgrove Dunn, J., & Syrotuik, D. G. (2002). Relationship between multidimensional perfe
Publikováno v:
International Journal of Sport Nutrition and Exercise Metabolism. 15:366-385
To examine the effects of elk velvet antler supplementation (EVA) combined with training on resting and exercise-stimulated hormonal response, male (n = 25) and female (n = 21) rowers ingested either E VA (560 mg/d) or placebo (PL) during 10 wk of tr
Autor:
John G.H. Dunn, Daniel G. Syrotuik
Publikováno v:
Psychology of Sport and Exercise. 4:265-282
Objectives : To (a) investigate the dimensionality of competitive worry in the high contact sport of Canadian football, (b) examine the extent to which athletes were predisposed towards worrying about factors relating to personal performance failure,