Intercostal Muscles and Diaphragm Anatomy
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Questions and Answers

Which muscle compresses the abdominal cavity, pushes the diaphragm up, and pushes air out of the lungs?

  • Pectoralis major
  • Subclavius
  • Abdominal muscles (correct)
  • Pectoralis minor

    • What is the primary function of the extrinsic muscles mentioned in the text?

  • Movement of the rib cage
  • Flexion of the spine
  • Respiration
  • Movement of the pectoral girdle (correct)

    • Which muscle pulls the ribs downward and inward during expiration?

  • Serratus anterior
  • Internal intercostal muscles (correct)
  • Pectoralis minor
  • Pectoralis major

    • What is the function of the serratus anterior muscle?

    <p>Movement of the pectoral girdle</p> Signup and view all the answers

    Which muscle is NOT part of the anterior axioappendicular muscles as mentioned in the text?

    <p>Pectoralis minor</p> Signup and view all the answers

    What is the attachment point for the subclavius muscle as mentioned in the text?

    <p>Thoracic cage</p> Signup and view all the answers

    In what situation are expiratory muscles used according to the text?

    <p>During exercise or increased airway resistance</p> Signup and view all the answers

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