Tennis

The Split Step: Timing, Height, and Why Every Modern Player Does It

Twenty milliseconds sounds trivial. In a sport with sub-800 ms ball travel, it is the difference between meeting the ball in front…

12 May 2026
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Tennis

The Kinetic Chain: How Force Travels From Ground to Ball

About 50–55% of racquet head speed comes from segments below the shoulder. The arm finishes the chain. It does not start it.

12 May 2026
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Tennis

The Between-Points Routine: The 25 Seconds That Decide Matches

A tennis match is ~70% time between points. Most coaching attention goes to the 30% — most matches are won and lost…

12 May 2026
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Tennis

Second Serve: The Most Important Shot in Tennis

The first serve is glamorous. The second serve is decisive. The numbers are unambiguous — and most players still don't take it…

12 May 2026
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Tennis

What Tennis Actually Demands Physiologically: An Evidence-Based Primer

Ball-in-play time sits at 17–30% across surfaces. Match HR averages 140–160 bpm. The data club coaches rarely see — and what it…

12 May 2026
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