Tennis elbow

Probably due to being a common injury amongst tennis players both male, female and the Williams sisters.

To be fair think a German doctor started it calling it writers wrist, aka washer woman’s elbow, aka ■■■■ ers cramp as its a condition that occurs due to repitition, like RSI.
Just guessing with a touch of Wikipedia assistance

I’ve always wondered who was the first person to realise one could take their temperature by sticking a thermometer up your arris and what they where thinking of at the time. Bet we are related.