posteriorly Articles

Shoulder Girdle Function

By Carolyn Kisner PT, MS and Lynn Allen Colby PT, MS on November 25th 2008

Scapulohumeral Rhythm
Motion of the scapula, synchronous with motions of the humerus, allows for 150° to 180° of shoulder ROM into flexion or abduction with elevation. The ratio has considerable variation among individuals but is commonly accepted to be 2:1 (2° of glenohumeral motion to 1° of scapular rotation) overall motion. During the setting phase (0° […]

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Filed Under: Physical Therapy, cheng
Tags: deltoid, glenohumeral, pectoralis, posteriorly, supraspinatus, trapezius

Management Guidelines—Extension Bias

By Carolyn Kisner PT, MS and Lynn Allen Colby PT, MS on November 20th 2008

Patients with an extension bias often assume a flexed posture or a flexed posture with lateral deviation of the trunk or neck, but during the examination sustained or repetitive extension maneuvers reduce or relieve their symptoms. These patients would benefit from early interventions that emphasize extension of the involved segments. The impairments may be due […]

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Filed Under: Physical Therapy, cheng
Tags: fluid imbibition, intervertebral disk, intradiskal, intradiskal pressure, posteriorly, pulposus

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