LJ PERFORMANCE BLOG

Pioneers in Applied Human Performance. Articles on training, sports science, and athlete development. Subscribe to get new posts in your inbox.

Inside a FIFA Window: 5 Matches. 15 Days. 4 Countries.

Oct 7, 2026

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6 min read

Inside a FIFA Window: 5 Matches. 15 Days. 4 Countries.

Inside a Pro's Program

Sep 21, 2026

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3 min read

Inside a Pro's Program

What LJ Performance Actually Is

Sep 14, 2026

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4 min read

What LJ Performance Actually Is

Buy-In Is the Real Metric

Sep 6, 2026

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3 min read

Buy-In Is the Real Metric

The Wall Every Athlete Hits Around Minute Sixty

Aug 31, 2026

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4 min read

The Wall Every Athlete Hits Around Minute Sixty

Why Your Kid's Speed Drills Aren't Making Them Faster

Aug 23, 2026

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3 min read

Why Your Kid's Speed Drills Aren't Making Them Faster