Citation

Jadischke R, Viano DC, Dau N, King AI, McCarthy J. J. Biomech. 2014; 47(6): 1558-1563.

Affiliation

McCarthy Engineering, Inc., Canada.

Copyright

(Copyright © 2014, Elsevier Publishing)

DOI

10.1016/j.jbiomech.2013.11.037

PMID

24480700

Abstract

We understand the comments of Duma and Rowson in their letter to the Editor. We believe they do not change the conclusions of our study (Jadischke et al., 2013) or the relevance of our findings of poor accuracy with HIT on many helmet impacts in football. If an individual impact cannot be measured accurately, how can a collection of unreliable data then become accurate?

First, Duma and Rowson explain at length that they have taken no funding from helmet manufacturers and are independent; however, they do not tell the reader that frequently they have co-authors on their studies, who are employed or own Simbex, the company that developed the HIT system. Based on this, it appears there is a conflict of interest in the Duma and Rowson studies regarding HIT and also in their comments on Jadischke et al. (2013) because of the close affiliation with Simbex...

Keywords: American football

Language: en