Paris Olympics: The Gender Issue

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Paris Olympics: The Gender Issue

Context:

Angela Carini from Italy withdrew from her Round of 16 boxing match against Algeria’s Imane Khelif just 46 seconds into the bout following a few punches to her face, sparking the most significant controversy of the Olympics.

 

More on the news:

  • Khelif faced backlash, including false claims of being a biological man or transgender woman and having an unfair advantage.

 

Gender Eligibility Issues:

  • Khelif and Lin Yu-ting were previously banned from the World Championship by the International Boxing Association (IBA) for failing a “gender eligibility” test.
  • The IBA was derecognized by the International Boxing Association  (IOC), leading to different eligibility rules based on the gender stated in an athlete’s passport.
  • The IOC confirmed that both Khelif and Lin met the eligibility regulations for the Olympics.

 

Why is gender eligibility a contentious issue in women’s sports?

  • Sports are divided based on sex due to physiological differences, with testosterone playing a significant role in athletic performance.
  • Chromosomes determine sexXX results in female sex organs and XY in male sex organs.
  • The SRY gene on the Y chromosome drives testosterone production, which is linked to physical advantages in athletic performance.
  • A 2017 study indicates that sex differences in circulating testosterone largely explain differences in sporting performance.
  • There is ongoing debate over gender eligibility, particularly regarding individuals with Disorders of Sex Development (DSDs) who may have higher testosterone levels.
  • Some argue that women with DSDs, who may have advantages due to higher testosterone, should not compete in women’s sports to ensure fairness.

 

What are Gender eligibility tests?

  • Gender eligibility tests, often referred to as gender verification or sex testing, are assessments used in sports to determine whether an athlete meets the criteria to compete in a specific gender category. 
  • Origins: Began in the 1940s with “femininity certificates” to confirm that women competing in sports were biologically female.
  • 1960s Developments: Evolved to more invasive methods, including visual examinations and chromosome testing, influenced by societal biases regarding gender and athleticism. This led to significant scrutiny and discrimination, particularly against female athletes who did not fit traditional gender norms.

 

Modern Procedures:

  • Chromosome testing and Hormone Level Assessment.

 

Sports Federation Policies:

  • IOC Guidelines (2021): International sports federations are tasked with developing eligibility rules based on fairness, inclusion, and non-discrimination. Testosterone levels were previously used as a criterion, with a 10 nmol/L limit for trans women.
  • World Athletics: DSD athletes must keep testosterone levels below 2.5 nmol/L for 24 months before competing. Restrictions are stricter than previous limits.

 

Paris Olympics: The Gender Issue

 

The Role of Testosterone in Athletic Performance:

 

Key Physical Attributes for Elite Performance:

  • Power Generation: Includes speed, strength, muscle mass, muscle fibre type, and biomechanics.
  • Aerobic Power (VO2 Max): Depends on haemoglobin concentration, blood volume, cardiac size and function, muscle blood flow, capillary density, and mitochondrial content.
  • Body Composition: Lean body mass and fat mass.
  • Fuel Utilisation: Glycogen breakdown and anaerobic capacity.
  • Economy of Motion: Efficiency of movement.

 

Sex Differences in Athletic Attributes:

  • Biological Males: Typically have greater lean body mass, larger hearts, higher cardiac outputs, more haemoglobin, larger VO2 max, greater glycogen utilisation, higher anaerobic capacity, and different economy of motion.
  • Biological Females: Vice-versa of biological males.

 

Impact of Testosterone:

  • Primary Driver: Testosterone exposure during puberty and throughout life is the main reason for differences in athletic attributes between sexes.
  • Testosterone Effects: Higher levels in biological males contribute to greater muscle mass, cardiac output, and overall athletic performance.

 

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