,i know it is late but if anyone is still up i would love for you to rreview this... one month ago was frog jumping w grandson,felt some kind of pain so i stop,later that night a sharp pain in groin area,my wife pulled my arm to get me to dance w her.i braced my left leg so not to fall..for the next two nights i could not sleep on my back or hip because of pain...i had to sleep standing up or on hands and knees..not a joke !!!!! back pain lasted for two more days and then stoped and I have had no back pain.. mri said i had disk problems but a back dr. said i did not need his service,just a back of a 56 active male...now here is wherr it gets tricky after the back pain went away my left thigh hurt so bad i could not hardly walk,x-ray neg..felt like a knif in my outer thigh..this has gone on for three+ weeks..if i dont walk/use cruch for 2 days the pain mostly goes away...then I start to walk and the knife is back in my leg and the skin feels numb,just a little,, I am getting treated for back nerv problems but I think something happen when I was on pain drugs and had to sleep standing or like on my shin and elbows ?????? left thigh muscles quads? are so so tight..hard to strech .