Everyone except Ruby makes perfect sense.

Well this is unexpectedly lewd.

Lol, of course Yang isn't doing the standing split, but the axe kick.

Redska said:

Lol, of course Yang isn't doing the standing split, but the axe kick.

To me it's more like,

Weiss is showing off her years of Ballerina training.
Blake is showing off her natural grace/flexibility.
and Yang as you said doing her martial arts thing.

Of course, Ruby is none of those things, but is trying to do it anyway.

man, that had to censor that like 5 pixels smh