so its been 5 weeks since i have had this ingury, my doctor says its a muscle straine and it should be fine in 3-4 days its been a week since that and its getting better every week but i can only bench 105 now and its progressing my trainer says it could be something with the tissue what do u guys sugggest should i keep benching and stop with reallly light weight just keep it so it dosent work or not do anything at alll and go back to the docotros and get an exray please help me out i start footballl soon and i  need to fx this if u can help me

Stop working out for a week. See how it feels. Have a light session. If in that light session, the pain is still as bad and hasnt settled down or has increased, go see the doctor again.
 
If it hurts, stop doing whatever it is that makes it hurt.