The proper bicep curl

[Excel Male]

In this video Nelson Vergel explains the proper way to do a bicep curl.

 

[robs2nd75]

I'm finding that preacher curl is causing me a great deal of elbow pain. I am not hyperextending and do not feel any pain if I do movements like hammer and reverse curls. Does anyone have any advice?

 

[OMI100]

Same here
As an old guy I pin the stack so that the grip position is at the point my arms are almost extended streight down the pad. I do not have any load lower than that. That keeps me from sorta hyper extending my arm down and putting stress on my elbows. No pain then.

Might not be the correct way, but dont have any elbow pain and that is a good thing