Pulled a muscle or something?

My whole lower body is absolutely killing me. I've worked harder in my gym cl, but I can hardly walk anymore. The pain is mostly in my shin area but it starts at the thighs. My friends say I might have pulled a muscle but I don't know. If I do try to walk I have to walk with my feet a shoulder length apart and like wobble like a penguin, that isn't right at all and even then I can hardly walk. Should I go see my doctor?