How to remedy a weak brachioradialis

Had a good tip from a veteran armwrestler named Tomas F�ltsj� about how to improve backpressure.

Doing over hand curls with a barbell. Since I only have a webcam and don't have space to bring my barbell in front of the webcam, I took a dumbell to demonstrate what I mean by overhand curls. Using a dumbell might work ok. The disadvantage using a dumbell is that your elbows tend to go outwards, which is not the case with a barbell.

Here you curl the weights with a overhand grip