I have no clue man. When I get all crunched over like that, I can't breathe either.
I'm try out a dash saddle to rotate around more. It gets me to stretch out and a little lower. I can breathe fine, but have a hard time holding it. I will get a few more rides on it and revive my fit video thread.
There must be some info perhaps in the fitters section here on ST? Curious about the logic (and physiology) behind that bent lumbar area and core engagement. Seems counter to everything I'm doing now. I'm trying to keep mid-section loose to allow full, easy breathing.
As for saddles, I'm on my third one in four months, lol. Started with Tritone, then ISM PR 2.0, now Spesh Power Arc 143. The Arc saddle felt like a great solution, until I re-config'd my entire cockpit fit to be more aggressive...now the saddle doesn't feel so friendly. Going to dial the nose angle down 1 or 2 degrees and see if that improves things. Funny, I thought I'd be able to ride the saddle farther back than the on the first couple inches of the nose...and I was before I lowered the front end more, but now I'm riding the nose and in an overall more aggro position which feels right in terms of balance throughout. I just need to get a more comfy nose to perch on, which is similarly narrow and lets the legs move without any drag on the thighs or sides of the magic goodie bag. :D
First will dip the nose and see if A) it increases comfort in the nethers, and B) if it increases tension in the arms to keep me in place on the saddle (no bueno).