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What are the external rotators of the shoulder?

Rick Olderman
Physical Therapy
The external rotators of the shoulder are the muscles attaching to the scapula (shoulder blade) that externally rotate the arm.

  • infraspinatus: originates on the vertebral border of the scapula and inserts onto the humerus (upper arm bone)
  • teres minor: smaller than the infraspinatus, it originates on the vertebral border of the scapula and inserts onto the humerus.
  • supraspinatus: originates above the spine of the scapula and inserts into the humeral head
Fixing You: Shoulder & Elbow Pain: Self-treatment for rotator cuff strain, shoulder impingement, tennis elbow, golfer's elbow, and other diagnoses.

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Fixing You: Shoulder & Elbow Pain: Self-treatment for rotator cuff strain, shoulder impingement, tennis elbow, golfer's elbow, and other diagnoses.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.