i have chronic leg pain in my left leg due to a couple reasons and one is from sitting on the pc too long playing games and other crap

the other part came from, one day at my university i went into the weight room and started lifting heavy weights and i had my first panic attack there by the way. anyhow, i overstretched my left leg i believe without warming up at all so now i get pains mainly in my left leg and twitches all over.