I'm fascinated by all this odd stuff about lower limbs and upper limbs and on and on.
My experience in waldorf is that what is avoided is competitive sports, period. Children are encouraged to run, jump, fall down, climb, swing, jump rope, play with balls, dig holes and move, move, move. This is a nice contrast to some public schools that have eliminated recess due to lack of time. My granddaughter's school has the children outside everyday running, hiking and playing (kindergarten). I've never come across any stuff about avoiding use of the lower limbs. I've heard several explanations of the don't kick the ball stuff.
Speaking as a fairly experienced grandmother (almost 6 years, wow) I think gross and fine skills develop side by side and most children alternate learning a bit of this and then a bit of that from babyhood on. For example, learning how to hold an object strikes me as being on the fine motor skill side, and rolling over is gross motor. Stacking objects is fine, crawling is gross. Carrying objects is more on the fine side, learning how to step-up is gross. My grandkids go back and forth and have since birth. The older girl is almost 6 and is still refining her abilities in both directions, ditto the younger child at 2 1/4. It is a mixed process.
Or is everybody talking about something else and I'm missing the point?
Anyway, the kids in waldorf schools get plenty of mixed physical activity involving both upper and lower body activities, plus a variety of fine motor skills activities, including handcrafts, drawing, writing, circle activities like hand-clapping in rhythm.
Nana
PS I failed skipping in kindergarten 50 years ago, sigh
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