Bird droppings

First, find a new doctor. If you hate going, there's no point. Another thing you could try is to make an appointment with a professional personal trainer, who might be able to give you a little more insight on your injuries...or if not, could recommend a good specialist sports doctor (whom you could also search out). A physical therapist is another possibility.

Basically, you need to find a doctor who specializes in sports-type injuries, and less a GP-type person.