Scapula Anatomy Study Notes
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Questions and Answers

What is the term for the bony projection on the scapula that forms the highest point?

  • Coracoid process
  • Acromion (correct)
  • Subscapular fossa
  • Glenoid cavity

What is the function of the coracoid process?

It serves as an attachment point for ligaments and muscles.

What articulates with the glenoid cavity?

The head of the humerus.

What is located in the subscapular fossa?

<p>The subscapularis muscle.</p> Signup and view all the answers

What is the role of the spine of the scapula?

<p>It separates the supraspinous fossa from the infraspinous fossa.</p> Signup and view all the answers

What is the infraspinous fossa primarily used for?

<p>It is the site for the infraspinatus muscle attachment.</p> Signup and view all the answers

What is the supraspinous fossa associated with?

<p>The supraspinatus muscle.</p> Signup and view all the answers

Which areas are repeated in the flashcards?

<p>All of the above (D)</p> Signup and view all the answers

Flashcards

Acromion location

The highest point of the scapula.

Coracoid process function

Attachment for ligaments and muscles.

Humerus articulation

Joins with the glenoid cavity.

Subscapular fossa muscle

Home to the subscapularis muscle.

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Spine of scapula function

Separates supraspinous and infraspinous fossae.

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Infraspinous fossa use

Attachment point for infraspinatus muscle.

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Supraspinatus fossa muscle

Attachment point for the supraspinatus muscle.

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Scapular Landmarks

Key bony features of the scapula, each with distinct muscles or functions.

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Study Notes

Scapula Anatomy Study Notes

  • Acromion:

    • A bony projection on the scapula, located at the lateral end of the spine.
    • It forms the highest point of the shoulder and serves as an attachment site for muscles and ligaments.
  • Coracoid Process:

    • A small, hook-like projection on the anterior aspect of the scapula.
    • Provides attachment for muscles such as the pectoralis minor and serves as a stabilizing point for the shoulder joint.
  • Glenoid Cavity:

    • A shallow depression on the lateral aspect of the scapula.
    • It articulates with the head of the humerus, forming the glenohumeral (shoulder) joint.
  • Subscapular Fossa:

    • A large concavity located on the anterior surface of the scapula.
    • It provides the surface for attachment of the subscapularis muscle, which plays a critical role in shoulder stabilization and movement.
  • Spine:

    • A prominent ridge of bone that runs diagonally across the posterior surface of the scapula.
    • It separates the supraspinous fossa from the infraspinous fossa and serves as an attachment site for muscles.
  • Infraspinous Fossa:

    • A large depression located below the spine of the scapula.
    • It serves as the attachment site for the infraspinatus muscle, which is involved in arm rotation and stabilization.
  • Supraspinous Fossa:

    • A shallow depression situated above the spine of the scapula.
    • It provides attachment for the supraspinatus muscle, which helps initiate arm abduction.
  • Glenoid Cavity: (repeated entry)

    • Essential for shoulder joint flexibility and mobility due to its shallow structure.
  • Acromion: (repeated entry)

    • Important for shoulder movement; helps to articulate with the clavicle.
  • Coracoid Process: (repeated entry)

    • Protects the shoulder joint structure and enhances muscle leverage.

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Description

Explore the essential features of the scapula, including its key structures such as the acromion, coracoid process, and glenoid cavity. This study guide provides an overview of their functions and anatomical significance, crucial for understanding shoulder anatomy. Perfect for students and professionals in anatomy and health sciences.

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