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Chapter 22

Subacromial rotator cuff impingement Disorder in which the tendons of the rotator cuff are crowded, buttressed, or compressed under the coracoacromial arch, ressulting in mechanical wear, stress, and friction
Primary shoulder inpingement Mechanical compression of the rotator cuff tendons, primarily the supraspinatus tendon, as they pass betwee the acromion and coracoid process.
Secondary shoulder impingement related to glenohumeral instability that creates a reduced subacromial space because the humeral head elevates and minimizes the area under the coracoacromial ligament Age-related degenerative changes also can result in a decrease subacromial margi
Supraspinatus tendon the most common structure involve with rotator cuff impingement.
"watershed zone", critical zone, or critical portion is refer to the area just proximal to the insertion to the greates tuberosityis hypovascular.
Created by: markie123
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