Shock wave therapy has lots of great data especially for tendon pain 60%-80% of people improve significantly at 6 month follow ups.

However hasn't had the time to produce enough double blinded trial to appease N.I.C.E the advisory group to the NHS.

Although they have deem this treatment as safe. meaning they wont pay for it yet they wont pay for it.

I know the Help the hero centers have the devices and are finding the of great use in quickening rehab times in soldiers - ask them