| 1. | The supraspinatus is most commonly involved in a rotator cuff tear.
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| 2. | The role of the supraspinatus is to resist downward motion.
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| 3. | This may cause paralysis of both supraspinatus and infraspinatus muscles.
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| 4. | The procedure revealed that he had some old degeneration changes of his supraspinatus tendon,
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| 5. | Specifically, these physical examination maneuvers examine the integrity of the supraspinatus muscle and tendon.
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| 6. | However, the supraspinatus is more effective for general shoulder abduction because of its moment arm.
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| 7. | The muscles of the rotator cuff are supraspinatus, subscapularis, infraspinatus, and teres minor.
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| 8. | The supraspinatus resists downward motion while the shoulder is relaxed as well as when carrying weight.
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| 9. | The supraspinatus tendon is inserted into the superior facet of the greater tubercle of the humerus.
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| 10. | The abovementioned human rotator cuff study correlates pennation angle with tear length in the supraspinatus muscle.
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