What is the shoulder blade called?

The shoulder blade is called the scapula. Gray's Anatomy (1918) describes it as a large, flat, triangular bone.

What it is

  • A large, flat, triangular bone.
  • Bears a projecting spine on the back, ending in the acromion.
  • Has a shallow socket (the glenoid cavity) that receives the head of the humerus.

Where it is

  • On the upper back, over the second to seventh ribs.
  • Articulates with the clavicle at the acromioclavicular joint.
  • Articulates with the humerus at the shoulder joint.

Source:

Last verified: 2026-07-18

  • Best Anatomy Answers is an educational reference about human anatomy. It is not medical advice — for any health concern, talk to a licensed medical professional.

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