It baffles me that don't mention age appropriate field size. Also, should consider small sided games that are age appropriate so that younger kids only have 7/8 per side so that the kids get a fair amount of playing time.
Fair points - US Lacrosse seems to have started from a medical basis for this report and that yielded some very useful suggestions. Team and field size can certainly be managed at the youth league and tournament level. As we have said, there are many issues that BOTC believes need to be tackled (player passes being just one, league formation being another) before legislating team construction issues. Let's take the paper for what it was : a statement (or reminder) about some very important youth topics.