I Am 54 Years Old, 1mt And 63 Cm Long

I am 54 years old, 1mt and 63 cm long and 80 kg weight. i have a knee and heel pain in my left leg and it is very difficult for me to touch the floor when first i wake up from my bed in the morning and difficult to walk properly through out the day. I have seen many Doctors and non of them help me to ease the problem. what do you advise me to do to get relief of this problem?