Yes,there's no articulation at all. She would not be able to move them.
The goal is to wiggle in order to try to move forward.
I saw some videos with this kind of prosthetics, but usually for children, and of course, way lower...
Excilion
2020-01-09 07:49:02 +0000 UTCTom Kauffman
2020-01-09 04:54:42 +0000 UTCelvro
2020-01-09 04:19:41 +0000 UTCAdrarda30
2020-01-09 03:34:13 +0000 UTC