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Clavicle Anatomy and Disorders Quiz
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Clavicle Anatomy and Disorders Quiz

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@FabulousAustin

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Questions and Answers

Where does the coracoid process point towards?

Forwards and slightly laterally

What are the two surfaces of the acromion process?

Superior and inferior surfaces

What type of muscle is the subscapularis muscle?

Multipennate

From where does the supraspinatus muscle arise?

<p>Medial two-thirds of the supraspinous fossa including the upper surface of the spine</p> Signup and view all the answers

What is the origin of the deltoid muscle?

<p>Lower border of the crest of the spine and lateral border of the acromion</p> Signup and view all the answers

What divides the dorsal surface of the scapula into the supraspinous and infraspinous fossae?

<p>Spine or spinous process</p> Signup and view all the answers

What is the function of the rod-like part of the bone on the costal surface of the scapula?

<p>It acts as a lever for the action of the serratus anterior in overhead abduction of the arm.</p> Signup and view all the answers

What divides the dorsal surface of the scapula into a smaller supraspinous fossa and a larger infraspinous fossa?

<p>The spine of the scapula.</p> Signup and view all the answers

Where is the infraglenoid tubercle located?

<p>At the upper end of the lateral border.</p> Signup and view all the answers

Which muscle covers the superior angle of the scapula?

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

What muscle covers the inferior angle of the scapula?

<p>The latissimus dorsi.</p> Signup and view all the answers

What is present above the glenoid cavity on the lateral or glenoid angle of the scapula?

<p>A supraglenoid tubercle.</p> Signup and view all the answers

Study Notes

Scapula Anatomy

  • The coracoid process points towards the anterior (front) side.
  • The acromion process has two surfaces: superior and inferior.
  • The subscapularis muscle is a type of rotator cuff muscle.
  • The supraspinatus muscle arises from the supraspinous fossa.
  • The deltoid muscle originates from the lateral third of the clavicle and the acromion process.
  • The spine of the scapula divides the dorsal surface of the scapula into the supraspinous and infraspinous fossae.
  • The rod-like part of the bone on the costal surface of the scapula, called the ridged anterior border, serves as an attachment site for muscles.
  • The spine of the scapula also divides the dorsal surface into a smaller supraspinous fossa and a larger infraspinous fossa.
  • The infraglenoid tubercle is located on the lateral surface of the scapula, near the glenoid cavity.
  • The levator scapulae muscle covers the superior angle of the scapula.
  • The latissimus dorsi muscle covers the inferior angle of the scapula.
  • A prominent bony ridge, called the supraglenoid tubercle, is present above the glenoid cavity on the lateral or glenoid angle of the scapula.

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Description

Test your knowledge of clavicle anatomy and disorders with this quiz. Learn about the features and surfaces of the clavicle bone, as well as conditions like cleidocranial dysostosis. Explore the functions and structure of this important bone in the human body.

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