Compared to everyone else, it doesn't. Since gravity is a constant force on our planet, it will not help or harm you relative to the performance of another athlete. However, if you were to hypothetically compete on another planet, your weight would change (as weight is relative to gravity...your mass however, would remain constant).
The question cannot be answered because it is based on a false premise that gravity does not affect performance.
Athletes' Performance was created in 1999.
surfaces that are rough provide more friction that can make athletes run faster
Athletes are tested for steroids and performance enhancers.
If a sunburn is bad enough, an athlete would have pain when he moved, which could affect his performance. Tennis players are especially exposed to the sun for long periods of time, especially their legs. Most athletes avoid sunburn when playing outdoors.
fasting affect performance
to maximise performance
The reasons for the ban are mainly the alleged health risks of performance-enhancing drugs, the equality of opportunity for athletes, and the alleged exemplary effect of "clean" ("doping-free") sports for the public.
Poor nutrition, insufficient sleep, lack of self-confidence and self-esteem, inept coaching, bullying by the senior athletes, unsupportive parents, negative peer pressure, public apathy, funds for proper equipment
yes
Jerri Leigh Gibson has written: 'The relationship between precompetitive affect and collegiate gymnastic performance' -- subject(s): Affect (Psychology), College athletes, Competition (Psychology), Gymnastics for women, Mood (Psychology), Psychological aspects, Psychological aspects of Gymnastics for women, Psychology, Women athletes
The plural noun is 'athletes', a word for two or more people.