Description
In a 2017 study out of Rady Children’s Hospital in San Diego, 26 Little League players got elbow MRIs before the season and again after it. Every one of them stayed fully compliant with pitch count rules all season. 48% came back with abnormal MRI findings.
Pitch count tables have one input: age. They cap a single day of pitching, but they never see how much that arm was throwing in the weeks before. A kid who took the winter off and a kid who never stopped throwing get the same number.
In this video our Director of Youth Baseball - Deven Morgan breaks down the one comparison that pitch counts miss: recent throwing vs. the workload an arm has built up. That includes a side-by-side of three 11-year-olds on the exact same compliant schedule, plus a simple way for parents and coaches to track it with nothing but a notebook.
References:
Are the Current Little League Pitching Guidelines Adequate? A Single-Season Prospective MRI Study
https://pmc.ncbi.nlm.nih.gov/articles/PMC5439649
Relationship between workload and throwing injury in varsity baseball players
https://www.sciencedirect.com/science/article/abs/pii/S1466853X19301993
Exploring wearable sensors as an alternative to marker-based motion capture in the pitching delivery
https://peerj.com/articles/6365/
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