IronMan Performance
Joe Eisenmann, PhDInsights into youth athletic development, sport science, health, performance + more
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 219 | Founded | 4 years ago | Last Issue | 17 hours ago |
| Active | |||||
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joeeisenmann.substack.comLatest Issues
Little League Legends: The 2026 Edition
Yesterday (Aug 21, 2026), two 12-year-old Little League fireballers combined for 28 strikeouts on the big stage of the Little League World Series in Williamsport, Pennsylvania.
Cooper Thissen, representing the Midwest team from Davenport,...
The Bio-banded Little League World Series
In a galaxy far far away, the Bio-Banded Little League World Series is being played at local ballfields with an old wooden backstop.
Eight teams in each division of early maturers, average (on time) maturers, and late maturers, competing a...
He's Got a Cannon! Outfield Throwing Velocity Percentiles for 14-18 Year Olds
[Announcer] “The ball is hit deep … into the right field corner. It bounces around … and is picked up by Clemente .. who wheels and throws a rope to third base.. And gets the runner!! Oh my, what a throw!”
If you have a good imagination, a...
Microdosing Sports Nutrition for the Youth Athlete
Sports nutrition for the youth athlete is more than just fueling workouts and performance—it’s about supporting growth, recovery, and health. Indeed, youth sports has the potential to establish good, lifelong nutrition habits.
However, ma...
Nolan Knows: The Adolescent Growth Spurt and The Most Valuable Commodity in Sports - The Arm
Besides my summer read Unhittable, I also dipped into The Arm: Inside the Billion-Dollar Mystery of the Most Valuable Commodity in Sports by Jeff Passan.
The Arm, published in 2016, is an excellent investigative piece of writing that explo...
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| Ranked Keywords | 2.1k | Monthly Search Traffic | Top Keywords |
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Authors
The writers behind this newsletter.
scholar-practitioner in youth athlete development and integrated sports performance
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