There is scientific evidence of the “awkward stage” where even athletic young people become uncoordinated.
In other words, the bulk of the available science about adolescent development suggests that there is a period during which young people, even those who have always been superb little athletes, are going to trip over their own feet.
I remember going into that stage. I do not recall coming out of it.
In fact, I ask for “motor skills” every Christmas, but Santa does not seem to deliver.