Hip popped while running and could barley walk?

last week (thursday) in athletics i was running and my hip popped and i could barley walk... its right above my hip actually... its getting a little better everyday but it still hurts in certain ways i move. i need to know what happend so i don't work out and hurt it even worse. plus my football team is going for district champs and i really want to play in that district game! but i dont think i can... please help?