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Whole-body and segmental muscle volume are associated with ball velocity in high school baseball pitchers

Overview of attention for article published in Open Access Journal of Sports Medicine, April 2013
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Title
Whole-body and segmental muscle volume are associated with ball velocity in high school baseball pitchers
Published in
Open Access Journal of Sports Medicine, April 2013
DOI 10.2147/oajsm.s42352
Pubmed ID
Authors

Yosuke Yamada, Daichi Yamashita, Shinji Yamamoto, Tomoyuki Matsui, Kazuya Seo, Yoshikazu Azuma, Yoshikazu Kida, Toru Morihara, Misaka Kimura

Abstract

The aim of the study was to examine the relationship between pitching ball velocity and segmental (trunk, upper arm, forearm, upper leg, and lower leg) and whole-body muscle volume (MV) in high school baseball pitchers. Forty-seven male high school pitchers (40 right-handers and seven left-handers; age, 16.2 ± 0.7 years; stature, 173.6 ± 4.9 cm; mass, 65.0 ± 6.8 kg, years of baseball experience, 7.5 ± 1.8 years; maximum pitching ball velocity, 119.0 ± 9.0 km/hour) participated in the study. Segmental and whole-body MV were measured using segmental bioelectrical impedance analysis. Maximum ball velocity was measured with a sports radar gun. The MV of the dominant arm was significantly larger than the MV of the non-dominant arm (P < 0.001). There was no difference in MV between the dominant and non-dominant legs. Whole-body MV was significantly correlated with ball velocity (r = 0.412, P < 0.01). Trunk MV was not correlated with ball velocity, but the MV for both lower legs, and the dominant upper leg, upper arm, and forearm were significantly correlated with ball velocity (P < 0.05). The results were not affected by age or years of baseball experience. Whole-body and segmental MV are associated with ball velocity in high school baseball pitchers. However, the contribution of the muscle mass on pitching ball velocity is limited, thus other fundamental factors (ie, pitching skill) are also important.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 40 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 40 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 9 23%
Student > Ph. D. Student 7 18%
Lecturer 2 5%
Researcher 2 5%
Student > Postgraduate 2 5%
Other 7 18%
Unknown 11 28%
Readers by discipline Count As %
Sports and Recreations 16 40%
Medicine and Dentistry 4 10%
Engineering 3 8%
Earth and Planetary Sciences 1 3%
Biochemistry, Genetics and Molecular Biology 1 3%
Other 2 5%
Unknown 13 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 03 October 2013.
All research outputs
#18,348,542
of 22,723,682 outputs
Outputs from Open Access Journal of Sports Medicine
#218
of 250 outputs
Outputs of similar age
#151,801
of 200,182 outputs
Outputs of similar age from Open Access Journal of Sports Medicine
#8
of 9 outputs
Altmetric has tracked 22,723,682 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 250 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.7. This one is in the 4th percentile – i.e., 4% 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 200,182 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 9 others from the same source and published within six weeks on either side of this one.