The Shoulder and Beyond: The Kinetic Chain and the Scapula in Shoulder Function and Dysfunction

Abstract

To understand shoulder injury, one must have an adequate knowledge of normal shoulder function and the dysfunction resulting from injury. The goal of evaluation, treatment, and rehabilitation of the shoulder is the restoration of function. When evaluating the shoulder and shoulder function, the forces and loads that are measured are the result of the interactive moments. These interactive moments, in turn, result in distal muscle activations and sequential joint motions up through the shoulder. This provides proximal stability for distal mobility, which allows maximum shoulder and arm function. Integrated scapulohumeral rhythm is key to functional glenohumeral stability. The kinetic chain is the best framework for understanding this dynamic shoulder function.

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