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Gregory Walker

Gregory Walker

Pediatric primary care sports medicine physician at Children's Hospital Colorado's Orthopedics Institute and assistant professor at the University of Colorado School of Medicine.

Sep 17, 2026

4:55
How have you seen this shift evolved over time? I think that we
5:01
have seen the development of youth leagues start earlier and earlier.
5:06
I grew up playing and coaching tennis, and there was a time where most tournaments only had 12 and under category.
5:16
Now we have 10 and under categories.
5:21
You look at professional athletes, the age of specialization from a current professional athlete is 14.7 years.
5:28
And you look at current high school athletes and the specialization age is 12.7 years.
5:34
And so we've seen this huge shift towards...

12 MINS LATER

17:15
You can go, Greg.

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