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12
27
2016

Does Arm Speed in Pitchers Matter?

A common criticism of training using overload/underload implements is that training using weighted balls only trains arm speed, and that such a training method either: Increases the chance of an arm-related injury Doesn’t improve velocity as arm speed is similar across all ages despite differi...

02
18
2015

Challenges with Typical Biomechanical Analyses of Pitching

This is a guest post from Dr. James H. Buffi, Ph.D. in Biomedical Engineering. It is impossible to overstate how excited I am to have Dr. Buffi contribute to our blog in what will be the first article in a three-part series on the biomechanics of pitching. In 2014, Dr. Buffi had a paper published ti...

11
08
2012

Overuse is Not the Problem: Undertraining is the Devil

I’ve been trying to put this article into words for the better part of a year and debated completely shelving it, because frankly, it’s extremely controversial and not accepted by most of the people who train baseball players. However, I am not going to stay silent on the issue any longe...

03
22
2012

Young Arms and Curveballs: The Real Story Behind it All

Two weeks ago, the NY Times published an article titled Young Arms and Curveballs: A Scientific Twist. In the article, Bill Pennington interviewed various experts in the field of youth baseball pitching and got mixed answers. Dr. Fleisig of ASMI said his research can’t prove that curveballs ar...

07
14
2011

Relationship of Shoulder External Rotation to Pitching

Readers who like a research-specific bent may find my latest postings on the ASMI Message Boards interesting. I am going through a back-and-forth conversation with various people about the relationship between static external rotation (ER) and dynamic maximum external rotation (MER). Miyashita has p...

03
08
2011

Stephen Strasburg, Mechanics, and his "Timing Flaw"

Tom Verducci has a very interesting article about Stephen Strasburg: Mechanical flaw will be red flag for Strasburg even after return. In it, he says: The answer to why Strasburg blew out — and why his future is a risky one — may lie in his mechanics. Several pitching coaches quietly pre...