seats, you don't expect to see babies move this way. >> it's easier to just laugh and say, it's fake. i'm sure the baby's not getting hurt. i don't really need to worry about it. whoa. >> i was hoping it was an editing trick like live baby, live baby, okay, cut. put the doll in hand, do whatever you want with that stupid doll because it is just a doll. >> is this a case of creative editing? no, it isn't. >> who comes up with this idea first? who's doing the ♪ jumpy jumpy oh, you know, it's like, oh, hey the arm didn't come off. >> that would be russian leeanna fokina, a practitioner of something called dynamic gymnastics. she runs workshops in dahab, egypt. a journalist has reported on this video for his blog dad wagon and for "time" magazine where he's a contributing writer. >> she was definitely able to confirm, you know, beyond the shadow of a doubt, that this