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Are Three Contact Efforts Really Reflective of a Repeated High-Intensity Effort Bout?

Overview of attention for article published in Journal of Strength & Conditioning Research, March 2015
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  • Good Attention Score compared to outputs of the same age (69th percentile)

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7 X users

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Title
Are Three Contact Efforts Really Reflective of a Repeated High-Intensity Effort Bout?
Published in
Journal of Strength & Conditioning Research, March 2015
DOI 10.1519/jsc.0000000000000679
Pubmed ID
Authors

Rich D. Johnston, Tim J. Gabbett, Shane Walker, Ben Walker, David G. Jenkins

Abstract

The use of 3 or more efforts (running and contact), separated by short recovery periods, is widely used to define a 'repeated high-intensity effort' (RHIE) bout in rugby league. It has been suggested that due to fatigue, players become less effective following RHIE bouts; however, there is little evidence to support this. This study determined if physical performance is reduced after performing 1, 2, or 3 efforts with minimal recovery. Twelve semi-professional rugby league players (age 24.5 ± 2.9 years) competed in three 'off-side' small-sided games (2 x 10 min halves) with a contact bout performed every 2 min. The rules of each game were identical except for the number of contact efforts performed in each bout. Players performed 1, 2, or 3 x 5 s wrestling bouts in the single-, double- and triple-contact game, respectively. Movement demands of each game were monitored using global positioning system units. From the first to the second half, there were trivial reductions in relative distance during the single-contact game (ES = -0.13 ± 0.12), small reductions during the double-contact game (ES = -0.47 ± 0.24), and moderate reductions during the triple-contact game (ES = -0.74 ± 0.27). The present data show that running intensity is progressively reduced as the number of contact efforts per bout is increased. Targeting defensive players and forcing them to perform two or more consecutive contact efforts is likely to lead to greater reductions in running intensity. Conditioning performing multiple contact efforts whilst maintaining running intensity should therefore be incorporated into training for contact team sports.

X Demographics

X Demographics

The data shown below were collected from the profiles of 7 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 119 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 2 2%
United States 1 <1%
Unknown 116 97%

Demographic breakdown

Readers by professional status Count As %
Student > Master 23 19%
Student > Ph. D. Student 20 17%
Student > Bachelor 12 10%
Researcher 10 8%
Student > Postgraduate 5 4%
Other 20 17%
Unknown 29 24%
Readers by discipline Count As %
Sports and Recreations 56 47%
Nursing and Health Professions 7 6%
Agricultural and Biological Sciences 5 4%
Medicine and Dentistry 4 3%
Social Sciences 3 3%
Other 8 7%
Unknown 36 30%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 4. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 April 2015.
All research outputs
#7,356,550
of 25,374,917 outputs
Outputs from Journal of Strength & Conditioning Research
#4,005
of 6,666 outputs
Outputs of similar age
#78,772
of 270,996 outputs
Outputs of similar age from Journal of Strength & Conditioning Research
#85
of 105 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one has received more attention than most of these and is in the 69th percentile.
So far Altmetric has tracked 6,666 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 19.2. This one is in the 39th percentile – i.e., 39% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 270,996 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 69% of its contemporaries.
We're also able to compare this research output to 105 others from the same source and published within six weeks on either side of this one. This one is in the 19th percentile – i.e., 19% of its contemporaries scored the same or lower than it.