It clicked..

I'm not at this progression yet, and I don't mean to jump ahead. I casually tried this wide grip L sit pull up the other day, and to my surprise it felt great! I give all the credit to the Bulgarian pullups I've been grinding for so long. For a time I thought I spend too much time on the Bulgarian pullup. But now that I see the result, I understand what it means by having a solid basic. I still think I'm new to the physical training world, and I never had a coach or any sort of programming before GB. I've always been more drawn towards the "party tricks" than grinding the basics. But now I get it. Thanks GB for setting my priorities straight, and providing the awesome programming. 

I'm curious to see if how much better my form will be when I really get to this progression  

very nice! 

Nice work Jin Liu.

It really is impressive what a focus on building a strong Foundation can lead you to achieve.

Some solid pulling strength.

Very impressive work Jin Liu, absolutely keep it up.

Awesome work @Jin Liu. Its really nice to see progress even when you are not in that exercise yet.

Hi Jin as you can notice you tend to internally rotate the shoulders at the beginning of every rep. you MUST avoid absolutely this movement.

3 hours ago, Alessandro Mainente said:

Hi Jin as you can notice you tend to internally rotate the shoulders at the beginning of every rep. you MUST avoid absolutely this movement.

Thanks for the feedback, Alessandro. I was trying to hang as low as possible at the end of each rep to mimic a deadhang. But I guess with the legs out & wide grip, there's no real deadhang possible, without internally rotate the shoulders? If I keep the lats engaged and shoulders externally rotated, that def doesn't feel like a deadhang. But is that what should be done with the wide grip L sit pull-up?

you should try to actively externally rotate the upper arm.