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“I Trained William Zabka for Cobra Kai”: Q&A With Chad Landers 

Aug 13, 2024, 6:36 PM•onnit
“I Trained William Zabka for Cobra Kai”: Q&A With Chad Landers 
SUPPLEMENTS
 NUTRITION
FITNESS 
APPAREL  
If you’ve been curious about steel mace training but don’t know where to begin, or feel intimidated by what seems like a medieval bludgeon, let this guide demystify the mace for you. By the end, you’ll understand why it’s outlasted innumerable fitness innovations and gimmicks alike to remain one of the most effective training implements you can use to enhance stability, mobility, power, and rotational strength. 
I trained William Zabka for Cobra Kai

Darth Vader, Hannibal Lecter, the Joker—these were all iconic movie villains. But they’ve got nothing on William 'Billy' Zabka, who played perhaps the most recognizable douchebag of '80s cinema—most notably in the original Karate Kid, where he swept the leg, cried “no mercy,” and ran Ralph Macchio off a hill on his bike.

We talked to Landers about how he trained the then 52 year-old Zabka to kick ass again after nearly 40 years, and the techniques he uses to help his other celebrity clients steal the show in nude scenes.
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Serious Performers Run on This 24-Hour System.

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August Locks In Tomorrow. Stack Now.

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Your Routine Lives In A Carry-On.

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The Gym is Optional. The Standard Isn't.

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Jul 9, 2026, 11:01 PM

Before. During. After.

The training stack that maps to the session. ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏

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Freedom To Perform.

Operating at peak is what frees you to enjoy the weekend. ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏

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Jul 2, 2026, 11:01 PM

Independence Starts In The Body.

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