@ Bev
Since I am writing this on my phone, quoting specific points from your post will be more time consuming than simply replying.
That said, you are the bee's knees! And thank you for your thoughtful reply.
Posture is static... sort of. The posture of a Neanderthol man and a Ballerina are both noticeable. But posture is what stays static while the rest of you is in motion. A Neanderthol man is static in different ways than a ballerina... and that stasis maintains through motion. A ballerina's straight back and neck shouldn't change while they leap and dance. I could give a Neanderthol example here but I trust you get the point.
I should have said, "Posture and gesture" as one is active and one is static. Sorry, as a Yank, our use of the word, "Posture" is often incorrect. We speak Amerikun here, not English.

Yes, clothing makes a world of difference. So do breasts. I so want to complain about how sensitive MINE are. Alas. No hormones... yet. But yeah, even without hormones, a MtF can use her breasts (or breast forms) better in order to pass better.
Men's shoulders DO slope more. This is because muscle on men is more commonly visible up the neck. In this case, we are BOTH right.
As for my hip 'generalization'... touché. But remember, skelatal remains are often sexually identified by the hip structure. Young or old (Olde?)... wide or narrow, a woman's hips are different than a man's. Men can, IMO, more easily walk like a woman than vice versa because men can lift their legs from the front, like a woman, and from an angle, like a man. Forgive my generalities about men and women here. Of course I mean MOST men and MOST women, but I don't feel like spending the extra 20 minutes it will require in order to be 100% PC at this hour, while typing on my phone.
I agree about nails and hair. I have gone back to short hair recently and I hate it.
But really Beverly, thank you for all the tips. I will be using them in the future. Also, thank you for participating. As a newbie, I had different expectations about how this particular conversation would flow. You have kept it positive and given it momentum. I really appreciate you rescuing this thread. I wouldn't have started it if it did not mean something to me.
Aloha,
Tori