Skeletal muscle size distribution in large-sized male and female athletes.

American Journal of Human Biology : the Official Journal of the Human Biology Council
Takashi AbeJeremy P Loenneke

Abstract

In healthy adults, it is generally accepted that women have less upper body muscle mass compared to men. However, it is unknown whether there are sex differences in skeletal muscle distribution in highly trained large-sized athletes. Our aim was to compare the skeletal muscle size distribution between large-sized male and female athletes. Ten female athletes (>80 kg body mass) and twenty-one male athletes (>100 kg body mass) had muscle thickness (MT) and subcutaneous adipose tissue thickness measured by ultrasound at nine sites on the anterior and posterior aspects of the body. Total muscle mass (SM) was estimated from an ultrasound-derived prediction equation. Body fat percentage and fat-free mass were calculated from ultrasound measured subcutaneous fat thickness. The average SM in female athletes (30.0 kg) was approximately 70% of the mean value of the male athletes (45.3 kg).With respect to MT, the relative values of femaleto male athletes were 68% to 78% in the upper body and 85% to 92% in the lower body. Similar results were observed when analyzing data for male and female athletes (n = 5 each) who were pair matched for height. The relative values of MT for female/male athletes were higher in the lower body compared to th...Continue Reading

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Jan 23, 2018·American Journal of Human Biology : the Official Journal of the Human Biology Council·Takashi AbeJeremy P Loenneke
Nov 22, 2019·American Journal of Human Biology : the Official Journal of the Human Biology Council·Takashi AbeJeremy P Loenneke
Feb 6, 2020·American Journal of Human Biology : the Official Journal of the Human Biology Council·Takashi AbeJeremy P Loenneke

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Citations

Jul 7, 2021·Scandinavian Journal of Medicine & Science in Sports·Hiroyuki SagayamaHideyuki Takahashi
Nov 17, 2021·Sports Health·Kyle C PierceMichael H Stone

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American Journal of Human Biology : the Official Journal of the Human Biology Council
Takashi AbeJeremy P Loenneke
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