Human Anatomy: Clavicle, Scapula, and Humerus
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Questions and Answers

What is the primary function of the clavicle in the human body?

  • It supports the weight of the upper body while sitting.
  • It assists in the movement of the shoulder joint.
  • It serves as a boundary between the neck and trunk. (correct)
  • It facilitates the rotation of the scapula.
  • Which part of the scapula is responsible for articulating with the humerus?

  • Glenoid fossa (correct)
  • Coracoid process
  • Subscapular fossa
  • Medial margin
  • What is located in the inferior face of the clavicle?

  • Conoid ligament
  • Subclavius muscle groove (correct)
  • Trapezium bone
  • Acromion process
  • Which structure does NOT articulate with the radius?

    <p>Scapula</p> Signup and view all the answers

    Where does the biceps brachii muscle insert on the radius?

    <p>Radial tuberosity</p> Signup and view all the answers

    Which of the following features is found on the ulna?

    <p>Trochlear notch</p> Signup and view all the answers

    What is the primary function of the interosseous membrane in the forearm?

    <p>It connects the radius and ulna.</p> Signup and view all the answers

    Which statement about carpal bones is true?

    <p>The scaphoid bone is the most lateral in the proximal row.</p> Signup and view all the answers

    What is the shape of the clavicle?

    <p>S-shaped</p> Signup and view all the answers

    Which two bones does the clavicle articulate with?

    <p>Sternum and scapula</p> Signup and view all the answers

    What are the parts of the clavicle?

    <p>1 body, 2 faces (superior and inferior), 2 margins (anterior and posterior)</p> Signup and view all the answers

    What inserts into the conoid tubercle of the clavicle?

    <p>Conoid ligament</p> Signup and view all the answers

    Where is the subclavius muscle located on the clavicle?

    <p>In the groove on the inferior face</p> Signup and view all the answers

    What is the shape of the scapula?

    <p>Triangle shape and flat</p> Signup and view all the answers

    Which bones does the scapula articulate with?

    <p>Humerus and clavicle</p> Signup and view all the answers

    What fossa is located on the costal face of the scapula?

    <p>Subscapular fossa</p> Signup and view all the answers

    Which part of the humerus is considered the surgical neck?

    <p>Upper pole</p> Signup and view all the answers

    What is the radial tuberosity associated with?

    <p>Biceps brachii muscle</p> Signup and view all the answers

    What is the composition of the sternum?

    <p>Three parts: manubrium, body, xiphoid process</p> Signup and view all the answers

    What is the largest part of the sternum?

    <p>Body</p> Signup and view all the answers

    How many carpal bones are in the human hand?

    <p>8</p> Signup and view all the answers

    The proximal row of carpal bones from lateral to medial includes the ______.

    <p>Scaphoid, lunate, triquetral, pisiform</p> Signup and view all the answers

    Study Notes

    Clavicle Function

    • Provides stability and attachment points for muscles in the shoulder joint

    Scapula Articulation

    • The glenoid cavity of the scapula articulates with the humerus.

    Clavicle Inferior Face

    • The costoclavicular ligament and subclavius muscle attach to the inferior face of the clavicle.

    Radius Articulation

    • The humerus does not articulate with the radius.

    Biceps Brachii Insertion

    • The biceps brachii muscle inserts on the radial tuberosity of the radius.

    Ulna Features

    • The olecranon process, coronoid process, and trochlear notch are found on the ulna.

    Interosseous Membrane Function

    • The interosseous membrane provides stability and transmits forces between the radius and ulna.

    Carpal Bones

    • The carpal bones are arranged in two rows, with the proximal row articulating with the radius and ulna.

    Clavicle Shape

    • The clavicle has an "S" shape.

    Clavicle Articulations

    • The clavicle articulates with the sternum (at the sternoclavicular joint) and the scapula (at the acromioclavicular joint).

    Clavicle Parts

    • The clavicle consists of a medial (sternal) end, a lateral (acromial) end, and a body.

    Conoid Tubercle Insertion

    • The conoid ligament, part of the coracoclavicular ligament, inserts into the conoid tubercle of the clavicle.

    Subclavius Muscle Location

    • The subclavius muscle is located on the inferior surface of the clavicle.

    Scapula Shape

    • The scapula is triangular in shape.

    Scapula Articulations

    • The scapula articulates with the humerus (at the glenohumeral joint) and the clavicle (at the acromioclavicular joint).

    Scapula Fossa

    • The subscapular fossa is located on the costal face of the scapula.

    Humerus Surgical Neck

    • The surgical neck of the humerus is the constricted area just below the head and greater and lesser tubercles.

    Radial Tuberosity Association

    • The radial tuberosity serves as the insertion point for the biceps brachii muscle.

    Sternum Composition

    • The sternum is composed of bone and cartilage.

    Sternum Largest Part

    • The body is the largest part of the sternum.

    Carpal Bones Number

    • The human hand has eight carpal bones.

    Proximal Carpal Bones

    • The proximal row of carpal bones, from lateral to medial, includes the scaphoid, lunate, triquetrum, and pisiform.

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    Upper Extremity Bones PDF

    Description

    This quiz focuses on the anatomy of the clavicle, scapula, and humerus bones. You will explore their shapes, articulations, and distinct features. Aimed at students of human anatomy, this quiz helps reinforce key concepts of upper limb bone structures.

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