You don’t have to play tennis to have tennis elbow.
Often people call it tendinitis (tendonitis) but more commonly it is really tendonosis. And the two are treated quite differently.
This video describes both and what to do about them using a fabulous tool called the Armaid.
There are more videos there on how to use it.
If you decide to buy use Discount Code ARM75 at Checkout
Fix your arm problems.