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The Inverted W

The Inverted W is the term that is used to refer to a family of problematic pitching arm actions. These arm actions include the...

The Inverted W is primarily responsible for the injury problems of a large number of pitchers, including...

As I explained several years ago in my analysis of Mark Prior's pitching mechanics, and more recently in my analysis of Stephen Strasburg's pitching mechanics, the Inverted W contributes to injuries in pitchers by creating a timing problem.

The Inverted W decreases the likelihood that the pitcher's arm will be in the proper position when their shoulders start rotating and thus increases the load on the elbow and the shoulder.

New Inverted W Webbook
There have been multiple developments of late in the world of the Inverted W, enough that I am in the process of putting together an Inverted W webbook that goes into greater detail about the Inverted W. Included in my Inverted W webbook are a discussion of the sicentific basis of, and evidence for, for the Inverted W as well as comments on Paul Nyman's defense of the Inverted W.

 

The idea that the Inverted W is problematic is controversial, and I have addressed some of the objections to the theory in my...

However, in an effort to convince people that the Inverted W is indeed the problem that I say it is, I am in the process of putting together an...

...that goes into much more detail about why the Inverted W is problematic, how to prevent it, and how to fix it. One of the things that I discuss in that webbook are some of the relevant studies...

If you are interested in helping to fund this project, I have put together a page for crowdfunding partners.

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