I doubt it's women only, I's say it's because it's in prototype phase and most designers present things with the fairer sex for demonstration (for obvious reasons). Look at all the advertising around you, it's mostly presented in the female form.
Take a look at the other arm then... she must have one seriously stumpy right arm in that case...true, but she could very well be leaning towards her left thigh, which would make the elbow look lower, a nature gesture while working on a dumbbell
Suit = before: http/movnat.com/wp-content/uploa [...] bike-2.jpg