The LJP journal
Ideas behind the work.
Training, sports science and athlete development. Articles by Luis Jeronimo.

What LJ Performance Actually Is
A complete soccer high performance system usually only seen at the professional levels.
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Buy-In Is the Real Metric
A dashboard is only as honest as the relationship behind it.
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The Wall Every Athlete Hits Around Minute Sixty
It's rarely conditioning. Most of the time, it's what your athlete ate three hours before practice.
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Why Your Kid's Speed Drills Aren't Making Them Faster
Ladders and cones build coordination. They don't build speed. Here's the difference.
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Don't Chase Fatigue. Chase Adaptation.
Why more training doesn't always mean more progress.
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