It affects your concentration and the performance. If you're very anxious, you can not focus or concentrate on work, school, and sports.
when u go in to a sport and u are lacking concentration it will not turn out. you need the concentration. you have to keep your head in the game and u will be aware of everything around you
Concentration will often have a positive impact on a sports performance. If someone does not concentrate on what they are doing during a sport, then they are prone to make mistakes.
if we eat carbohydrates most gives us energy and affect the sports performance
It can affect your sport's performance by the characteristics you have that affect play.
It is not good for you.
Wearing jewelleries might affect sports performance because you might hit someone with that jewellery
The most important factor in sports is concentration. Especially when the sport is individual, the athlete should be calm and MUST not be distracted from his goal for any reason.
nervousness affects the athlete's concentration. this can make there performance like getting of the start in a race not very solid. the nervousness kicks over and it affects your team morale (if in a team) that will affect the end result.
Stress and overcome the lack of confidence and skills of a player and his proformance on the field, which is the result of lack of concentration and can cause injury.