Hi I’m 22 years old and I think I have

Patient: Hi I’m 22 years old and I think I have pulled my back in work I moved a dog in work and it felt as if someone had stabbed me in the back that was 4 days ago how serious could it be if my ribs are really hurting as well I can move but I get twinges of pain no pain killers are working and I can get a gp appointment please help

Doctor: