The radiating pain is due to sciatica. Feeling tired from back to heel and radiating pain is also due to sciatica. And if physiotherapy has not helped u then u need to see an orthopedic consultant near u to evaluate u and tell the latest conditions of u.
Heel ankle pain seems due to some local inflammation which can be due to any reason such as
uric acid, etc.
Bone weakness is come in young females u need to take
vitamin d3 and
calcium supplements.
Please see an orthopedic consultant near you.