Effects of wearing compression garments on thermoregulation during simulated team sport activity in temperate environmental conditions

2009 ◽  
Vol 12 (2) ◽  
pp. 303-309 ◽  
Author(s):  
Laurence A. Houghton ◽  
Brian Dawson ◽  
Shane K. Maloney
2008 ◽  
Vol 3 (4) ◽  
pp. 454-468 ◽  
Author(s):  
Rob Duffield ◽  
Johann Edge ◽  
Robert Merrells ◽  
Emma Hawke ◽  
Matt Barnes ◽  
...  

Purpose:The aim of this study was to determine whether compression garments improve intermittent-sprint performance and aid performance or self-reported recovery from high-intensity efforts on consecutive days.Methods:Following familiarization, 14 male rugby players performed two randomized testing conditions (with or without garments) involving consecutive days of a simulated team sport exercise protocol, separated by 24 h of recovery within each condition and 2 weeks between conditions. Each day involved an 80-min high-intensity exercise circuit, with exercise performance determined by repeated 20-m sprints and peak power on a cart dynamometer (single-man scrum machine). Measures of nude mass, heart rate, skin and tympanic temperature, and blood lactate (La−) were recorded throughout each day; also, creatine kinase (CK) and muscle soreness were recorded each day and 48 h following exercise.Results:No differences (P = .20 to 0.40) were present between conditions on either day of the exercise protocol for repeated 20-m sprint efforts or peak power on a cart dynamometer. Heart rate, tympanic temperature, and body mass did not significantly differ between conditions; however, skin temperature was higher under the compression garments. Although no differences (P = .50) in La− or CK were present, participants felt reduced levels of perceived muscle soreness in the ensuing 48 h postexercise when wearing the garments (2.5 ± 1.7 vs 3.5 ± 2.1 for garment and control; P = .01).Conclusions:The use of compression garments did not improve or hamper simulated team-sport activity on consecutive days. Despite benefits of reduced self-reported muscle soreness when wearing garments during and following exercise each day, no improvements in performance or recovery were apparent.


2016 ◽  
Vol 48 ◽  
pp. 938
Author(s):  
Corey T. Ungaro ◽  
Adam J. Reimel ◽  
Ryan P. Nuccio ◽  
Kelly A. Barnes ◽  
Bridget C. Sopena ◽  
...  

2004 ◽  
Vol 18 (1) ◽  
pp. 21-43 ◽  
Author(s):  
Wade D. Gilbert ◽  
Pierre Trudel

Similar to a belief system, a role frame acts as a perceptual filter that influences how practitioners define their professional responsibilities (Schön, 1983). The purpose of this article is to present the role frame components of model youth team sport coaches. The results are based on a two-year multiple-case study with six coaches. On average, the coaches’ role frame comprised two boundary components and nine internal components. Boundary components are objective environmental conditions that can influence an individual’s approach to coaching. Internal role frame components are personal views a coach holds regarding youth sport coaching. A discussion of how role frames can be examined and used by researchers, coaches, and coach educators is provided.


2018 ◽  
Vol 50 (7) ◽  
pp. 1487-1494 ◽  
Author(s):  
TED POLGLAZE ◽  
CRUZ HOGAN ◽  
BRIAN DAWSON ◽  
ALEC BUTTFIELD ◽  
CRISTIAN OSGNACH ◽  
...  
Keyword(s):  

2011 ◽  
Vol 14 (5) ◽  
pp. 441-446 ◽  
Author(s):  
Tarveen K.R. Singh ◽  
Kym J. Guelfi ◽  
Grant Landers ◽  
Brian Dawson ◽  
David Bishop

Author(s):  
K. Ohi ◽  
M. Mizuno ◽  
T. Kasai ◽  
Y. Ohkura ◽  
K. Mizuno ◽  
...  

In recent years, with electron microscopes coming into wider use, their installation environments do not necessarily give their performance full play. Their environmental conditions include air-conditioners, magnetic fields, and vibrations. We report a jointly developed entirely new vibration isolator which is effective against the vibrations transmitted from the floor.Conventionally, large-sized vibration isolators which need the digging of a pit have been used. These vibration isolators, however, are large present problems of installation and maintenance because of their large-size.Thus, we intended to make a vibration isolator which1) eliminates the need for changing the installation room2) eliminates the need of maintenance and3) are compact in size and easily installable.


2013 ◽  
Vol 51 (05) ◽  
Author(s):  
Z Szalai ◽  
K Kupai ◽  
A Magyariné Berkó ◽  
A Pósa ◽  
R Szabó ◽  
...  

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