Bradford L. Boone, MD. Supraspinatus Infraspinatus Subscapularis Teres Minor.
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Transcript of Bradford L. Boone, MD. Supraspinatus Infraspinatus Subscapularis Teres Minor.
![Page 1: Bradford L. Boone, MD. Supraspinatus Infraspinatus Subscapularis Teres Minor.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649dc55503460f94ab8458/html5/thumbnails/1.jpg)
Work Related Shoulder Injuries –
Cumulative vs. Acute
Bradford L. Boone, MD
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SupraspinatusInfraspinatusSubscapularisTeres Minor
Rotator cuff muscle anatomy
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![Page 5: Bradford L. Boone, MD. Supraspinatus Infraspinatus Subscapularis Teres Minor.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649dc55503460f94ab8458/html5/thumbnails/5.jpg)
Rotator Cuff Function Humeral head depression Humeral elevation/abduction Humeral internal rotation Humeral external rotation
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Rotator cuff functions
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Repetitive strain Keyboard operators Light assembly line work
Occupational shoulder problems
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Chronic tendinitis Impingement syndromeRotator Cuff tear
Most common in moderate to heavy work occupations requiring sustained loads with the shoulder partly abducted and for forward flexed
Occupational shoulder problems
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Acute – direct trauma causing fractures and or soft tissue injury –
Rotator cuff tears Fractures Dislocations Instability issues
Occupational shoulder problems
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25 years of age45 years of age55 years of age65 years of age75 years of age
“Normal”- Age degeneration in the shoulder
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Heavy LaborerOffice workerStockerOil FieldNurseProfessional Athlete
What is “Normal” wear and tear?
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Congenital Anomalies of the shoulder
Bony AbnormalitiesMuscular AbnormalitiesNeurovascular Abnormalities associated with Congenital anomalies
Other factors
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Previous surgeriesPrevious injuries
Other factors
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When is a cumulative trauma to the shoulder work related?
Who is likely to have a cumulative trauma to the shoulder?
Cumulative Vs. Traumatic
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ConservativeSurgical
Treatment Options
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Thank you!