| SITS | supraspinatus, infraspinatus, teres minor, subscapularis [shoulder muscles comprising the rotator cu... |
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| musculus infraspinatus | <anatomy, muscle> Origin, infraspinous fossa of scapula; insertion, middle facet of greater tubercle of humerus; action, extends arm and rotates it laterally; nerve supply, suprascapular (from fifth to sixth cervical spinal nerves). Synonym: musculus infraspinatus. (05 Mar 2000) |
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| infraspinatus | <anatomy, muscle> Origin, infraspinous fossa of scapula; insertion, middle facet of greater tubercle of humerus; action, extends arm and rotates it laterally; nerve supply, suprascapular (from fifth to sixth cervical spinal nerves). Synonym: musculus infraspinatus. (05 Mar 2000) |
| infraspinatus bursa | <anatomy> The bursa located between the tendon of the infraspinatus and the capsule of the shoulder joint. Synonym: bursa subtendinea musculi infraspinati. (05 Mar 2000) |
| infraspinatus fascia | Fascia infraspinata, the fascia attached to the borders of the infraspinous fossa and covering the infraspinatus muscle; it is continuous with the fascia covering the deltoid. (05 Mar 2000) |
| infraspinatus muscle |
A muscle of the back originating in the infraspinous fossa of the scapula and inserted in the greater tubercle of the humerus. It adducts and laterally rotates the arm and is controlled by the suprascapular nerve from the br
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