Hello Doctor , I Am Dey , I Have Been

Hello Doctor , I am Dey , I have been effected with polio from my child hood, my left leg is week and its very thin compare to my right leg . my right leg is proper and don't have any problem so can you please tell my me anything about my left leg which is very thin and week and how i can make strengthen to my left leg which is very thin and week because of polio. please help if possible.