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Questions and Answers
What muscles also function as accessory muscles of respiration, helping elevate the ribs to expand the thoracic cavity during deep and forceful inspiration?
What muscles also function as accessory muscles of respiration, helping elevate the ribs to expand the thoracic cavity during deep and forceful inspiration?
- Serratus posterior muscles
- Scalene muscles of the neck and pectoralis major and minor (correct)
- Inferior part of the serratus anterior muscle only
- Levatores costarum muscles
What is the primary function of the scalene muscles of the neck?
What is the primary function of the scalene muscles of the neck?
- Fixing the lower ribs during normal breathing
- Depressing the superior ribs during normal breathing
- Elevating the ribs during forceful inspiration
- Acting on the vertebral column (correct)
What is the traditional description of the function of the serratus posterior muscles?
What is the traditional description of the function of the serratus posterior muscles?
- They are inspiratory muscles (correct)
- They are motor muscles
- They are expiratory muscles
- They are proprioceptive muscles
What is the suggested function of the serratus posterior muscles based on recent studies?
What is the suggested function of the serratus posterior muscles based on recent studies?
What is the role of the levatores costarum muscles in the body?
What is the role of the levatores costarum muscles in the body?
What is a common condition associated with the serratus posterior muscles, particularly the serratus posterior superior?
What is a common condition associated with the serratus posterior muscles, particularly the serratus posterior superior?
How many fan-shaped muscles make up the levatores costarum muscles?
How many fan-shaped muscles make up the levatores costarum muscles?
What is the primary difference between the thoracic vertebral column and the cervical and lumbar segments of the column?
What is the primary difference between the thoracic vertebral column and the cervical and lumbar segments of the column?
What is the function of the pectoralis major and minor muscles during deep and forceful inspiration?
What is the function of the pectoralis major and minor muscles during deep and forceful inspiration?
What is the function of the serratus anterior muscle during deep and forceful inspiration?
What is the function of the serratus anterior muscle during deep and forceful inspiration?
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