Got stuck in traffic sat. driving a stick shift, for an hour i was on the clutch never got out of first gear, i can barely walk from muscle soreness.?

Sounds right. : I think you may have an answer. When you use muscles in a new or excessive way, the muscle may be injured and cause a large amount of pain. It is rare, but sometimes muscles can swell to the point that they cut off their own blood supply. This is bad. If your muscle is hard and pain is out pf proportion to the activity, it might be well to see your doc sooner rather than later.