Assessing Posterior Shoulder Contracture

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Assessing Posterior Shoulder Contracture

:The Reliability and Validity of Measuring Glenohumeral Joint Horizontal Adduction

 Kevin G. Laudner*; Justin M. Stanek*; Keith Meister†
*Illinois State University, Normal, IL; †Texas Metroplex Institute for Sports Medicine and Orthopedics, Texas
Rangers Baseball, and Medical Center of Arlington Sports Medicine, Arlington, TX

 Figure 1. Stabilization of the scapula during posterior shoulder measurement.

Figure 2. Angle created by the end position of the humerus with
respect to the starting position (perpendicular plane to the examination table).

To measure GH horizontal adduction, the digital inclinometer was aligned with the ventral midline
of the humerus. The angle created by the end position of the humerus with respect to 0 of horizontal adduction (perpendicular plane to the examination table, as determined by the digital inclinometer) (Figure 2) was then recorded as the total amount of GH horizontal adduction motion.

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