It's kind of hard to tell if the it's the horse, or the rider (and I suspect more the rider) but she has no bascule at all over the jump. She goes over it in a "falling " manner; she pops her front over, kind of falling down onto her front legs, then the pulls the rear legs just over in a bit of a "hop". She doesn't push up from her back legs . I think it could be her fearing the rider's coming back into the saddle too soon, and thus bumping her in the back.
She appears to be held back quite a bit, and though she seems to tolerate it reasonably well, I have a feeling that she may start pushing back more against that. I think she is not the simple ride that Gunnar would have been.
On the other hand, she seems nicely built, and ridden with more freedom up front, you might see a different horse. I'd like to just see her trot out a bit, since we see almost exclusively canter.