I need major physical help right now : [?

(recap. im a girl going out for the guys football team)well today is tuesday and well last friday or thursday i was squating with weight and i was doing as much as i coud do...if not more and my back had been hurting all weekend and i didnt know official tryout dates were on monday(yesterday) and so i went to the tryouts but my lower left side of my back was hurting so when we were stretching it was hurting and so when we started doing the drills i tried to do the running drill my back hurt real bad so i stop and just observed and when we went to the third drill and it was sprinting while jummping over bags and i felt something at y back and it just gave in i walked over to the fence and i could hardly walk and it hurt real real bad and i started tearing up...not cause it hurt but because i felt like i let people down and because i wanted to do the things the guys were doing......and the coaches were there and i dont....do u think they thought i was weak because i went down?