Why the American Swing is Wrong

In the last two years, I’ve put off elaborating on my disdain for the CrossFit style kettlebell swing. Thankfully, in the age of the Internets if you wait long enough someone else will write something you agree with…and then you can simply link to it.

Here is a pretty solid article on comparing the “American” or “CrossFit” swing to the RKC or Russian style which appeared in breakingmuscle.com.  The article references a pseudo engineering attempt at justifying the movement. As an engineer, I’ve always had an issue with the referenced definition of work. The body is not a black box simply doing work. For instance impulse load is neglected, as is momentum. Plus the body can exert force isometically, as in a plank. In which case, I’m doing no external “work”.





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