Upon These Rocks

Abstract
Few tenets are held so dear in physical therapy as the notion that muscle weakness contributes to postural defects. One could argue that this assumption, along with a few others, supplies the foundation for much of our practice. This month, DiVeta, Walker, and Skibinski suggest that perhaps we have assumed too much. This is the second time Ms Walker has challenged this assumption.1 As a co-author of her previous paper, I bring an identifiable bias to any discussion of the subject. I am therefore grateful that Dr Shirley Sahrmann has supplied such an excellent commentary on the DiVeta article. She raises important issues. Controversial articles should be discussed, their findings scrutinized, and their implications carefully considered. The purpose of this Editor's Note is not to reflect further on the credibility or generalizability of the report by DiVeta, Walker, and Skibinski.

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