Continued ...
8) Our collective inability/unwillingness to think outside the box, or expand our comfort zone. Example: age group thinking. Understandable -- maybe even acceptable -- for competition. Far too inflexible for training. You'd be surprised how many kids are ready to train, and even compete, with bigger, older kids. All too often, kids' development is arrested because we're hung up on the success of the U11 team, instead of the kids' enhanced development at a U12, U13 or even U14 level.