What causes asymmetrical ribs?

[Gwuhfazoid]

And do asymmetrical ribs, affect the insertion of muscles on the torso?

 

[thecel]

I have this too

 

[Gwuhfazoid]

I have this too

Idk if the asymmetry has somehow increased with time, or if I'm just noticing it, but it seems to fuck with my muscle insertions, idk if I just have bad muscle insertions to begin with, or what.

 

[Deleted member 21766]

Mew

 

[Gwuhfazoid]

Mew

Lol.

 

[Deleted member 32760]

shitty genetics

And do asymmetrical ribs, affect the insertion of muscles on the torso?