This is pretty interesting but I don't think it always applies.
Khabib is one of the best MMA fighters and he started wrestling YOUNG. Dagestani culture produces some of the best fighters and they compete and fight with each other from a young age. Toddlers can get into street fights or wrestle each other.>Prodigies aside, most kids aren't developed mentally enough when they're 4-9 years old to understand the nuances of what they're doing.
It's not necessary to have a high level of intelligence if you possess experience. Experience and memory fills the gaps that intelligence cannot.
Bears and lions do wrestling, even as babies. "Roughhousing" is a natural instinct ingrained in many animals, most of which are even stupider than the average 5 year-old.>>71124
Why fencing? You should start your children on archery and riding earlier as well, getting a headstart would be great for riding and for shooting a bow.>>71767 >>71816
My kid will slam adults who do BJJ, he will be bokh champion of the village as a 10 year-old.