Physical Fitness and Exercise Performance of Transgender Women.

IF 4.1 2区 医学 Q1 SPORT SCIENCES Medicine and Science in Sports and Exercise Pub Date : 2025-01-01 Epub Date: 2024-08-12 DOI:10.1249/MSS.0000000000003536
Athiwat Saitong, Witthawat Naeowong, Daroonwan Suksom, Hirofumi Tanaka
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Abstract

Introduction: In spite of the evolving participation of transgender adults in exercise and sports, research investigating the physical fitness of transgender women remains scarce in the scientific literature.

Methods: In this cross-sectional study, a variety of reference standard measures of physical fitness of transgender women who had undergone gender-affirming orchiectomy (30 ± 4 yr; n = 15) and who had not (27 ± 4 yr: n = 15) were compared with reference males (28 ± 5 yr; n = 15) and reference females (29 ± 5 yr; n = 15) who were matched for age and estimated physical activity level. Transgender women had been undergoing feminizing gender-affirming therapy for 8 to 10 yr.

Results: Height and lean mass of arms, legs, and trunk (measured via dual-energy x-ray absorptiometry) of transgender women were greater than those of reference females but lower than those of reference males (all P < 0.05). No significant differences were found in isokinetic muscular torque between reference females and transgender women. Both absolute and relative measures of maximal oxygen consumption were greater in reference males than in reference females and transgender women (all P < 0.05) with no significant difference between the latter two groups. Reference males had greater peak Wingate anaerobic power (expressed in both absolute and relative to body weight), countermovement jump, and squat jump than reference females and transgender women (all P < 0.05). There were no significant differences in anaerobic power between reference females and transgender women. The results on the field tests, including agility T-test and sprint running acceleration, were consistent with the anaerobic power tests. There were no statistical differences in any of the physical fitness measures between transgender women with and without orchiectomy.

Conclusions: Transgender women demonstrated similar levels of reference standard measures of physical fitness to females that were significantly lower than males.

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变性女性的体能和运动表现。
介绍:尽管变性成年人越来越多地参与锻炼和运动,但科学文献中有关变性女性体能的研究仍然很少:在这项横断面研究中,我们将接受过性别确认睾丸切除术(30 ± 4 岁;n = 15)和未接受过性别确认睾丸切除术(27 ± 4 岁:n = 15)的变性女性与参考男性(28 ± 5 岁;n = 15)和参考女性(29 ± 5 岁;n = 15)进行了比较,后者的年龄和估计的体育活动水平相匹配。变性女性已接受女性化性别确认治疗 8-10 年:结果:变性女性的身高和手臂、腿部及躯干的瘦体重(通过 DXA 测量)均高于参照女性,但低于参照男性(均 p <0.05)。参照女性和变性女性的等速肌肉扭矩没有明显差异。参照男性最大耗氧量的绝对值和相对值均高于参照女性和变性女性(均 p < 0.05),后两组之间无明显差异。参考男性的永动无氧功率峰值(以绝对值和相对体重表示)、反身跳和深蹲跳均高于参考女性和变性女性(均 p < 0.05)。参照女性和变性女性在有氧运动能力方面没有明显差异。现场测试(包括敏捷性 T 测试和短跑加速度测试)的结果与无氧运动能力测试的结果一致。睾丸切除术后和未切除睾丸的变性女性在体能测量方面没有统计学差异:变性女性的体能参照标准测量水平与女性相似,但明显低于男性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
7.70
自引率
4.90%
发文量
2568
审稿时长
1 months
期刊介绍: Medicine & Science in Sports & Exercise® features original investigations, clinical studies, and comprehensive reviews on current topics in sports medicine and exercise science. With this leading multidisciplinary journal, exercise physiologists, physiatrists, physical therapists, team physicians, and athletic trainers get a vital exchange of information from basic and applied science, medicine, education, and allied health fields.
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