I've been running for about 5 years and recently suffered my worst injury to date which was some kind of Tendonitis... right on the outsdie of my heel. Felt like some kind of heel spur or fracture and was quite excruciating for a week or two.
I visited the doctor and he referred me to a physio on the NHS. They were very helpful and offered me some massage therapy on my calf muscle and gave me some ulrta sound to speed up healing, this combined with the exercises has helped clear it up within two months. I initially had some good advice and diagnosis off a Worcester podiatrist (have included a link to them), they diagnosed the same as the doctor but they think there is more to it than just the injury, I am now undergoing tests for my gait, although I've had it tested at a running shop some time ago, the podiatrist advised that a full analysis by a professional is a better option, although I can't really afford to spend too much so will see what the quote is first. They have already identified a small difference in my leg which was Ok, and think that the calf muscle on the good side is extremely tight and affecting my running style, this rings true with the wear on my trainers and tallies with what the physio is saying.
Some of the tips which seem to be helping me is to do strengthening exercises for the calf muscles, by standing on tip toe with legs shoulder width apart for 30 seconds three times a day, then the same exercise but on one leg (holding onto something if balance is not great), also rolling the soles of my feet over a gold ball... I was told this may be painful but it actually feels more like a massage to me.
The ultra sound seems to have helped if you can get it on NHS but I know not all practices have this facility, or even believe in it. The calf massages are vital I think, I was told by my podiatrist that the achilles heel can be affected by tightness in the muscles further up the leg, so I've been stretching my calf muscles even when not running, and also my hamstringsand this seems to help too.
Not sure if any of the above helps, you probably know all this but thought I'd add my thoughts as I know how painful and restricting it can be. Even now it still pulls slightly but the exercises and physio really do seem to help.
There are loads of hamstring exercises but I've posted the one I find easiest to do as an image here. Good luck anyway! I'm hoping mine holds out for the Birmingham half marathon in October.
Edited: 24/08/2011 at 01:28