Throughout 15 years, we have discovered that children can gain proficiency with a protected sumo setup all the more rapidly and keep up a nonpartisan spine all through the development all the more reliably. Would it be able to be on the grounds that our bodies are intended to get substantial stuff in this position?
The regular position requires more work from the spinal erectors (see, e.g., here). Ought to the erectors exhaustion or flop under burden—or be given the shaft so to talk by essential mover weariness or poor strategy—the spine is in danger of damage. We train kids, which by definition implies we're preparing for the most part fledgling and transitional lifters. The dependable methodology is to limit that chance.