I think i have pulled my calf muscle. my calf muscle has been feeling like it is pulling and hurts a little bit. i also have a lump on the inside of m?

Calf discomfort: A strain or muscle cramp in a calf muscle can cause ongoing calf discomfort. Rarely bleeding into the calf can occur. A ruptured Baker's cyst behind the knee can also cause pain, swelling and tenderness in the calf. A blood clot or phlebitis is a serious cause of calf discomfort and swelling. It's best to be examined by a physician to check for any of these causes of calf pain, tenderness or swell