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IronMan Performance

Joe Eisenmann, PhD
Tens of paid subscribers

Insights into youth athletic development, sport science, health, performance + more

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Substack
PricingOnly free issuesPublishesDaily
Issues228Founded4 years agoLast Issue5 days ago
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Latest Issues

The Psychosocial and Cognitive Benefits of Youth Sport Participation: An Audio Overview

In this Audio Overview, we broke down four review papers and provide a comprehensive analysis of the psychological, social, and cognitive effects of physical activity and sport on children and adolescents. Specifically, we discuss how organ...

5 days ago

Swimming and Youth Athletic Development: A Collection of 20 Review Articles

Although I view myself as a generalist towards youth athletic development, much of my writing and applied sport science work has centered on baseball, basketball and football. I have also spent some time with ice hockey, and more recently l...

9 days ago
6
3

Youth Fitness: Assessment, Training and Health

Back to School: Here’s the first in the September 2026 series on Youth Fitness.

This collection of blogs and Audio Overviews explores youth fitness testing, aerobic fitness and strength training. By blending research with real-world practi...

10 days ago
3

September 2026: Back to School with Youth Fitness

Every so often, I pen a few articles that focus on a particular topic and post them across a month.

In September 2025, the focus was on long-term athlete development or LTAD. This September, we go back to school and focus on youth fitness...

13 days ago
4

Hot Off the Press: Psychosocial Outcomes of Bio-banding in High-Level Youth Athletes

The impact of biological maturation on youth sports performance is well-known. We see it played out everyday amongst 11-15 yr olds, with early-maturing athletes (bigger | faster | stronger) possessing an advantage while late-maturing (small...

13 days ago
4

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  • Joe Eisenmann, PhD

    scholar-practitioner in youth athlete development and integrated sports performance

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