I am problem with my left leg, muscular problem in my cuff ad tie muscle, had it for the last 2 months, the leg gets dark in color and will not bear weight . spent 2 days in hospital, x-rayed, ultrasound and checked for arteries blockage, nothing wrong. Gets good I dance, putt the weight on it and turn, change the direction gets so painful can t walk any more. What wrong with my leg? Doctor?