/fa/ - Fashion

>>17796110
>>17796115
>>17796119
From wikipedia:
>this muscle can be absent in some humans, however, that does not affect the action of pronation very notably, as the pronator teres does the major role in that action.
Even if you have this tiny insignificant muscle, it's almost impossible to isolate. You'll just train pic related. Which is fine, big forearms look good, but don't expect gains in the wrist.