Student essay written in en (native language: French, CEFR level: A1, field of study: Sports)

I like sport since at a very young age.
I need to move, I like understand how a body functions.
I want to up the level of the athlete. I don't understand what job I want to do but I'm sure to work in sports domain.
I would like work in best level in football, including in physical preparation of atheltes.