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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Man Ther. 2011 Feb;16(1):33–39. doi: 10.1016/j.math.2010.08.004

TABLE 1.

Hypothetical listing of Sternoclavicular (SC) Joint Couplings with Scapulothoracic (ST) Motion on the Thorax at Varying Angles of Acromioclavicular (AC) Joint Internal Rotation.

AC Internal Rotation Angle 0° 90° 60°
SC Retraction 100% ST External Rotation 100% ST External Rotation 100% ST External Rotation
SC Elevation 100% ST Upward Rotation; 0% ST Anterior Tilting 100% ST Anterior Tilting; 0% ST Upward Rotation 75% ST Anterior Tilting; 25% ST Upward Rotation
SC Posterior Rotation 100% ST Posterior Tilting; 0% ST Upward Rotation 100% ST Upward Rotation; 0% ST Posterior Tilting 75% ST Upward Rotation; 25% ST Posterior Tilting

(reproduced from Teece et al. 2008)