Apparently, the kettlebell gurus of Los Angeles are Dr Mark Cheng and his wife, Dr Courtney Mizuhara-Cheng.  In case you have been out of touch with the fitness and bodybuilding community, a kettlebell is like a cannonball with a handle on it, allowing one to perform all sorts of weight training and stretching exercises, such as the the Kettlebell Kossack.  "What's a Kettlebell Kossack" you ask?  Good thing you asked.  Dr Mizuhara-Cheng demonstrates in this video:



Don't knock it until you try it.  It's difficult stuff.  Visit the bottom of this page to see an image of Dr Mizuhara-Cheng swinging a 48 kg (106 pound) kettlebell named "The Beast."  (By the way, Dr Mizuhara-Cheng weighs 46 kg (102 pounds).  

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