the past three times i have injected into my delts it has been terrible! i dont know what i am doing diferent now than before but its unbareable. im using prop but it hasnt been a problem before(last week) i have a little soreness the day after but thats it. the past 3 delt injections i have had to pull it out and just go into my glute cause it was hurting so bad. thats about all the info i have on it, can anyone help out with what i might be doing wrong? thanks