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Association between regional differences in muscle activation in one session of resistance exercise and in muscle hypertrophy after resistance training

Overview of attention for article published in European Journal of Applied Physiology and Occupational Physiology, August 2011
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About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • Good Attention Score compared to outputs of the same age (78th percentile)
  • Above-average Attention Score compared to outputs of the same age and source (63rd percentile)

Mentioned by

twitter
6 tweeters
facebook
6 Facebook pages
video
1 video uploader

Citations

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51 Dimensions

Readers on

mendeley
105 Mendeley
citeulike
1 CiteULike
Title
Association between regional differences in muscle activation in one session of resistance exercise and in muscle hypertrophy after resistance training
Published in
European Journal of Applied Physiology and Occupational Physiology, August 2011
DOI 10.1007/s00421-011-2121-y
Pubmed ID
Authors

Taku Wakahara, Naokazu Miyamoto, Norihide Sugisaki, Koichiro Murata, Hiroaki Kanehisa, Yasuo Kawakami, Tetsuo Fukunaga, Toshimasa Yanai

Abstract

The purpose of this study was to examine if the regional difference in muscle hypertrophy after chronic resistance training is associated with muscle activation after one session of resistance exercise. Twelve men performed one session of resistance exercise of elbow extensors. Before and immediately after the exercise, transverse relaxation time (T2)-weighted magnetic resonance (MR) images of upper arm were recorded to evaluate the muscle activation along its length. In the MR images, T2 for the pixels within the triceps brachii muscle was quantified. The number of pixels with T2 greater than the threshold (mean + 1SD of T2 before the exercise) was expressed as the ratio to the number of pixels occupied by the muscle (%activated area). Another 12 subjects completed 12 weeks of training intervention (3 days per week), which consisted of the same program variables as used in the experiment for the T2 measurement. The cross-sectional areas of the triceps brachii before and after the training intervention were measured from MR images of upper arm. The %activated area of the triceps brachii induced by one session of the exercise was found to be significantly lower in the distal region than the middle and proximal regions. Similarly, the relative increase in muscle cross-sectional area after the 12 weeks of training intervention was significantly less in the distal region than the middle and proximal regions. The results suggest that the regional difference in muscle hypertrophy after chronic resistance training is attributable to the regional difference in muscle activation during the exercise.

Twitter Demographics

The data shown below were collected from the profiles of 6 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 105 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 2 2%
United States 2 2%
Norway 1 <1%
Japan 1 <1%
New Zealand 1 <1%
Unknown 98 93%

Demographic breakdown

Readers by professional status Count As %
Student > Master 22 21%
Student > Bachelor 15 14%
Student > Ph. D. Student 14 13%
Researcher 12 11%
Professor 10 10%
Other 32 30%
Readers by discipline Count As %
Sports and Recreations 52 50%
Agricultural and Biological Sciences 13 12%
Unspecified 11 10%
Medicine and Dentistry 7 7%
Social Sciences 5 5%
Other 17 16%

Attention Score in Context

This research output has an Altmetric Attention Score of 6. 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 15 June 2018.
All research outputs
#2,940,841
of 13,090,338 outputs
Outputs from European Journal of Applied Physiology and Occupational Physiology
#941
of 2,900 outputs
Outputs of similar age
#30,616
of 146,550 outputs
Outputs of similar age from European Journal of Applied Physiology and Occupational Physiology
#18
of 49 outputs
Altmetric has tracked 13,090,338 research outputs across all sources so far. Compared to these this one has done well and is in the 77th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 2,900 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.3. This one has gotten more attention than average, scoring higher than 67% of its peers.
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 146,550 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 78% of its contemporaries.
We're also able to compare this research output to 49 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 63% of its contemporaries.