What actually is the tennis elbow injury? how does it occur?

Answer 1

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Causes and risk factors
Playing tennis three times in a week when you haven't played for some time is the sort of overuse that could cause tennis elbow. It is especially likely if you have a poor backhand technique or use a racquet with a grip that is too large

But most people who develop tennis elbow have not been playing tennis. A range of different activities that involve repeated hand, wrist or forearm movements can be to blame. These might include:

using scissors or shears
gardening
sports that involve lots of throwing
swimming
golf (golfers also get golfers' elbow, which affects the inside of the arm)
manual occupations that involve repetitive turning or lifting the wrist, such as plumbing or bricklaying
Weakness and inflexibility in the forearm muscles makes tennis elbow more likely.

Some people seem to be at increased risk of tendon injury. They may also have trouble with the tendons in the shoulder and the wrist (carpal tunnel syndrome).

Symptoms
Tennis elbow usually affects the arm of your dominant hand (right arm if you are right-handed).

The symptoms usually develop gradually. The main symptom is pain and tenderness in the outside of the elbow and sometimes in the muscles on top of the forearm. The pain may go away after a day or so. But if the activity that triggered the pain is repeated soon after, the pain is likely to come back and may become progressively worse as the tendon damage builds up.

The pain may become constant, and even interrupt your sleep. Other symptoms include morning stiffness of the arm and pain on turning door handles or shaking hands. As the body tries to compensate for the weakness in the elbow, you may also get pain or stiffness in other parts of the affected arm, the shoulder or neck.

Source(s):

http://hcd2.bupa.co.uk/fact_sheets/html/…

Answer 2

While playing Tennis if you got any injury in your wlbow that is Tennis elbow injury