RSD is a very strange condition, what works for one makes another worse. My wife tried (who has RSD) the mirror therapy and caused her immediate pain in her arms, why I have no clue. At the time she had RSD in her right arm, now she has it in all her limbs. Mirror therapy originated with those with phantom pain, those with missing limbs who felt severe pain in a limb that no longer existed. Personally I see some sort of connection between the two conditions, phantom pain and RSD, both conditions are extremely painful without a firm reason why on the most part. My thinking is if both legs are infected with RSD mirror therapy would not work but, heck you never know until you try. My thinking goes along the lines that reflecting your good limb tricking the mind that the good limb is your bad limb, your bad limb over time will lose the pain. Having both legs in pain leaves me to think it wont work unfortunately. Maybe someone else can chime in on this.