Gibt nun eine neue Studie, vom IOC mitfinanziert. Erstmals wurden mehrere Personen (trans und cix; Männer und Frauen), die mindestens drei Mal die Woche trainieren, untersucht.
Wichtigsten Ausschnitte:
The landmark study reported that physically active transgender women performed worse in certain cardiovascular tests and had less lower-body strength than their cisgender females. Researchers at the University of Brighton also found that, contrary to previous claims, transgender women’s bone density was equivalent to cisgender females. Bone density is linked to muscle strength.
The cohort comprised 19 transgender women, 20 cisgender women, 19 cisgender men and 11 transgender men. To qualify for the study, they had to be taking part in competitive sport or physical training at least three times a week. The transgender volunteers needed to have undergone hormonal therapy for at least a year. None of the subjects were competing in national or international sport.
Researchers found that transgender women performed worse than cisgender women in the countermovement jump that tests lower-body strength.
[Trans]gender women also performed worse in an important test of lung function called the FEV1/FVC ratio, which compares subjects’ Forced Expiratory Volume with their Forced Vital Capacity.
There was no meaningful difference between the two groups’ haemoglobin profiles and bone density – both of which are related to athletic performance – even though, the researchers noted, previous studies of sedentary subjects found that transgender women performed better in both.
The results further showed that transgender women had a significantly higher percentage of fat mass, lower fat-free mass and weaker handgrip strength than cisgender men.
Transgender women were found to have advantages in other respects, including, inevitably, height and weight, as well as lower-body power and handgrip strength.
That transgender women performed worse in several metrics shows, the authors argued, that further research is needed before sporting federations decide whether to ban them from the female category.
Interessantestes Detail: Die „Knochemasse“ - also das, wo viele Leute sagen, da hätten trans Frauen Vorteile, wenn sie eine männliche Pubertät unterlaufen - ist fast gleich wie bei cis Frauen. In manchen Bereichen haben cis Frauen Vorteile (Lungenvolumen, allgemeiner Körperaufbau), in anderen Bereichen trans Frauen (Größe und Griffigkeit).
