Originally Posted by Steven Low
Correct technique is palms down, so there's clearly something wrong if you can't do that without it hurting.
Where's the pain located at specifically?
I think you might have some biceps long head tendonitis.
Isn't correct technique with the chinup grip? I think we're saying the same thing. And, I didn't have any pain doing it the other way, but it did start to click better when I switched.