Hmmm ... I'm a fan of differential learning and other techniques for variablity of practice. Was just reading through https://perceptionaction.com/vp/ earlier today. However I'm not convinced motor learning research transfers to all learning, which seems to be the basis for the claim made in the blog post. My own experience is motor learning is quite different to learning symbol manipulation tasks like maths and prog…
I saw a documentary, long ago, about primary school students in China with abacuses. They used the abacuses for mathematics, and they were blindingly fast with them.
And then they stopped using the physical abacuses and just sort of mimed the actions with their hands. And then, later, they stopped using their hands.
So, as far as I could see, they were training themselves to do maths via their muscle memory, and it seemed terrifyingly effective.