90 degree shoulder abduction represents a fundamental movement pattern essential for countless daily activities, from reaching for a high shelf to performing complex athletic maneuvers. Pain at 90 degrees of abduction is a classic sign, often indicating a conflict between the moving humerus and the static structures above it.
90 Degree Shoulder Abduction Mobility Guide
The infraspinatus and teres minor externally rotate the humerus, which is necessary to clear the greater tubercle from the acromion. Assessing Range of Motion and Function Clinicians and fitness professionals utilize specific tests to evaluate 90 degree shoulder abduction.
Understanding the mechanics, significance, and implications of achieving and maintaining this range of motion is crucial for both injury prevention and rehabilitation. Understanding the Anatomy of Shoulder Abduction The shoulder joint, or glenohumeral joint, is a ball-and-socket configuration that provides an exceptional range of motion at the expense of inherent stability.
90 Degree Shoulder Abduction Mobility Guide
Initial phases focus on reducing inflammation and improving mobility through manual therapy and gentle stretching of the posterior shoulder capsule, which can become tight and restrict movement. Functional tests, such as the empty can test at 90 degrees, specifically target the supraspinatus tendon.
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