Podcast
Questions and Answers
What type of joints do the ribs form on each side of the thoracic vertebrae?
What type of joints do the ribs form on each side of the thoracic vertebrae?
- Fibrous joints
- Cartilaginous joints
- Synovial joints (correct)
- Immovable joints
Which ribs articulate with the adjacent body, body above, and disc between them to form the costovertebral joint?
Which ribs articulate with the adjacent body, body above, and disc between them to form the costovertebral joint?
- Ribs 1, 10, 11, and 12
- Ribs 2 through 9 (correct)
- Ribs 1 through 10
- Ribs 11 and 12 only
Which of the following ribs articulate only with the corresponding body?
Which of the following ribs articulate only with the corresponding body?
- Ribs 2 through 7
- Ribs 1, 10, 11, and 12 (correct)
- Ribs 8 through 10
- Ribs 11 and 12 only
What do ribs 1 through 10 also articulate with to form the costotransverse joint?
What do ribs 1 through 10 also articulate with to form the costotransverse joint?
What reinforces both the costovertebral and costotransverse joints?
What reinforces both the costovertebral and costotransverse joints?
Which ribs form synovial joints with the sternum anteriorly?
Which ribs form synovial joints with the sternum anteriorly?
What do the cartilages of ribs 8 through 10 articulate with?
What do the cartilages of ribs 8 through 10 articulate with?
How do the ribs move during elevation and depression?
How do the ribs move during elevation and depression?
What is the main function of the rib cage?
What is the main function of the rib cage?
What role do the ribs play in respiration?
What role do the ribs play in respiration?
Which of the following is not a synovial joint formed by the ribs?
Which of the following is not a synovial joint formed by the ribs?
What is the significance of the mobility of the ribs?
What is the significance of the mobility of the ribs?
Study Notes
- The ribs form two synovial joints on each side of the thoracic vertebrae.
- Ribs 2 through 9 articulate with the adjacent body, body above, and disc between them to form the costovertebral joint.
- Ribs 1, 10, 11, and 12 articulate only with the corresponding body.
- Ribs 1 through 10 also articulate with their same-level transverse process to form the costotransverse joint.
- Both joints are reinforced by strong ligaments.
- Anteriorly, ribs 2 through 7 form synovial joints with the sternum.
- The cartilages of ribs 8 through 10 articulate with the cartilage above, and ribs 11 and 12 are free-floating.
- Elevation and depression of the ribs occur through a pivoting motion.
- The rib cage protects vital organs and contributes to the stability of the thoracic spine.
- Mobility of the ribs allows for lung expansion and plays a critical role in respiration.
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