Am I sore or did I just injure myself? You probably know the answer to that question, but you're afraid to think of what's the next step. Here's some advice in the video above, but the only way you'll ever know is to GO TO THE DOCTOR! Don't take advice from ANYONE who isn't qualified to give you a legitimate opinion.
Are you a First Responder who wants support through your fitness journey? Start with some free information here: http://firstresponder5.com