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Date of Award
Thesis (On-Campus Access Only)
Master of Physical Therapy (MPT)
Kenneth W. Bush, PhD, PT
John Medeiros, PhD, PT
The purpose of this study was to determine if a relationship exists between the degree of scapular abduction in older males during relaxed standing, and the force production of the scapular adductors with emphasis on the middle trapezius. Twenty eight volunteers with an average of 76 participated. Measurements of scapular abduction were made with unmarked calipers. Hand-held dynamometer readings of muscle strength were gathered using the Daniels and Worthingham test position. Using a Pearson's product-moment correlation coefficient, no relationship between resting scapular position and force production of the adductors was found (r=.35). This supports our hypothesis that muscular force production generated by the middle trapezius is not related to scapular position. In view of these results, clinicians should not assume that poor shoulder girdle posture has a negative affect upon scapular adductor muscle strength.
Delong, Robert, "Relationship between resting scapular position and scapular adductor force production" (1992). School of Physical Therapy. 323.