These lines say it all: "Simply put: Today's players are faster, stronger and more athletic, the product of years of weight training, speed training, vertical jump training, skills training. But the brakes, the suspension -- their ankles, hips and core -- while often neglected, remain tasked with enduring the brunt of the body's force. "We would joke that half of these athletes are so good that they could almost out-jump their ability to land," says Blase
I'm still in the mindset that kids don't need specialized organized sports until around 9th grade... until then, participate in everything and become well-rounded. The gifted athletes that have professional size and ability won't suffer.