I’m not sure what your comments about the arms have to do with anything. Your sternum is on your chest, wings on your back, I’m not understanding why you’re talking about arms.
In regards to muscles having to wrap around the rib cage, that’s exactly how birds wing muscles work.
I’m not sure what your comments about the arms have to do with anything. Your sternum is on your chest, wings on your back, I’m not understanding why you’re talking about arms.
In regards to muscles having to wrap around the rib cage, that’s exactly how birds wing muscles work.