arm wrestles

[ryanman]

Yo, does anyone know precisley which muscles are used for arm wrestles and what would be the best exercise for them. i have bet my dad that i will beat him in an arm wrestle by christmas. if i achieve it it will be the biggest achievment ever. any advice

This guy is 25 years old by the way guys.

Hello Chris. It's me. As you can see.

I would say back, triceps, wrists maybe, shoulders. Not biceps. Doing lots of arm wrestling is probably the best, but i'm sure someone can give you better advice. Fassy.