Of course, frogs aren’t bipedal; they don’t stand on extended legs really at all. So this lesson doesn’t have the kind of neurological and functional significance for a frog that it has for us.
We’re thinking about Theo Jansen’s wonderful Strandbeests, and how ‘stupid’ the knees are. They don’t need any sophistical neurological control. They just have to unfold at the right moment and be there for the weight of the body to pass over them.
How do you let your leg unfold?
This version is AY 117, by the way.