Upper Limb and Pectoral Girdle

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Questions and Answers

Which bones make up the pectoral girdle?

  • Clavicle and humerus
  • Scapula and humerus
  • Clavicle, scapula, and humerus
  • Clavicle and scapula (correct)

Which bone in the pectoral girdle is directly attached to the axial skeleton?

  • Clavicle (correct)
  • Radius
  • Scapula
  • Humerus

What is the main function of the pectoral girdle?

  • To allow for free movement of the scapula
  • To provide attachment for muscles
  • To protect the heart and lungs
  • To connect the upper limbs to the axial skeleton (correct)

Why is the scapula able to move freely?

<p>It is not connected to any other bone (A)</p> Signup and view all the answers

What is the function of the clavicle in the pectoral girdle?

<p>To connect the upper limbs to the axial skeleton (A)</p> Signup and view all the answers

What bones are not part of the pectoral girdle?

<p>Humerus and radius (D)</p> Signup and view all the answers

What is the purpose of the pectoral girdle?

<p>To allow for movement of the shoulder joint (C)</p> Signup and view all the answers

Which ligament attaches to the acromial end of the clavicle?

<p>Acromioclavicular ligament (D)</p> Signup and view all the answers

What is the function of the upper fibers of the trapezius?

<p>Deltoid attachment (A)</p> Signup and view all the answers

To access the inferior side of the clavicle, what position should the shoulder be in?

<p>90 degrees of abduction and external rotation (D)</p> Signup and view all the answers

What attaches to the coracoclavicular ligament?

<p>Biceps brachii (C)</p> Signup and view all the answers

Where is the inferior angle of the scapula located?

<p>Medial border of the scapula (D)</p> Signup and view all the answers

What muscle attaches to the superior angle of the scapula?

<p>Levator Scapulae (B)</p> Signup and view all the answers

What landmark is used to locate the coracoid process?

<p>SP C7 (B)</p> Signup and view all the answers

Which joint connects the axial skeleton and the upper limb?

<p>Sternoclavicular joint (C)</p> Signup and view all the answers

Which ligament attaches to the conoid tubercle on the clavicle?

<p>Coracoclavicular ligament (D)</p> Signup and view all the answers

Which muscle attaches to the infraspinous fossa of the scapula?

<p>Infraspinatus (C)</p> Signup and view all the answers

Which border of the scapula is the medial border?

<p>Medial (vertebral) border (A)</p> Signup and view all the answers

Which process of the scapula is a tender palpation point in most people?

<p>Coracoid process (D)</p> Signup and view all the answers

Which tubercle is located at the superior aspect of the glenoid fossa?

<p>Supraglenoid tubercle (A)</p> Signup and view all the answers

Which structure divides the posterior surface of the scapula into two shallow depressions?

<p>Spine of the scapula (D)</p> Signup and view all the answers

Which muscle is located on the lateral border of the scapula?

<p>Teres Minor (D)</p> Signup and view all the answers

Which muscle is outlined by moving medially from the spine of the scapula and following the medial border inferiorly to the angle?

<p>Infraspinatus (B)</p> Signup and view all the answers

Which muscle is located in the infraspinous fossa?

<p>Infraspinatus (B)</p> Signup and view all the answers

Which muscle is curled deep in the concave area of the bone when palpating the spine of the scapula?

<p>Supraspinatus (C)</p> Signup and view all the answers

Which muscle is explored by moving inferolateral to the medial border of the scapula and then exploring the lateral aspect of the fossa?

<p>Subscapularis (C)</p> Signup and view all the answers

Which muscle is located in the subscapular fossa?

<p>Subscapularis (C)</p> Signup and view all the answers

Which muscle is explored by cradling the patient's arm in a 'chicken wing' position and sinking thumbs into the area of the axilla?

<p>Subscapularis (C)</p> Signup and view all the answers

Which muscle is outlined by following the lateral border of the scapula superiorly and laterally towards the axilla?

<p>Teres Minor (B)</p> Signup and view all the answers

Which muscle is outlined by moving superiorly from the spine of the scapula and curling fingers deep in the concave area of the bone?

<p>Supraspinatus (C)</p> Signup and view all the answers

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