Podcast
Questions and Answers
What muscle, located in the lower anterior thorax, is responsible for depressing the ribs?
What muscle, located in the lower anterior thorax, is responsible for depressing the ribs?
- External intercostals
- Internal intercostals
- Transversus thoracis (correct)
- Inferior costal muscles
Which muscle originates from the xiphoid process and lower body of the sternum?
Which muscle originates from the xiphoid process and lower body of the sternum?
- Diaphragm
- Pectoralis major
- Transversus thoracis (correct)
- Intercostal muscles
In expiration, which muscle lowers the ribs?
In expiration, which muscle lowers the ribs?
- Innermost intercostals
- Subcostal muscles
- External intercostals
- Transversus thoracis (correct)
Which structure contains the intercostal bundle arranged as vein, artery, and nerve?
Which structure contains the intercostal bundle arranged as vein, artery, and nerve?
Which muscle lies between the innermost and internal intercostal muscles?
Which muscle lies between the innermost and internal intercostal muscles?
What happens to the diaphragm during relaxation?
What happens to the diaphragm during relaxation?
What happens to the diaphragm during relaxation?
What happens to the diaphragm during relaxation?
Which part forms the broad lower end of the thoracic cage?
Which part forms the broad lower end of the thoracic cage?
How many pairs of ribs articulate directly with the sternum?
How many pairs of ribs articulate directly with the sternum?
Which ribs are known as 'floating' ribs?
Which ribs are known as 'floating' ribs?
What is the superior thoracic aperture also known as?
What is the superior thoracic aperture also known as?
At which vertebral level does the upper border of the manubrium sterni lie?
At which vertebral level does the upper border of the manubrium sterni lie?
What is the innervation of the diaphragm?
What is the innervation of the diaphragm?
Which part of the diaphragm has the most ligaments?
Which part of the diaphragm has the most ligaments?
What is the significance of 'T8' and 'T10' in relation to the diaphragm?
What is the significance of 'T8' and 'T10' in relation to the diaphragm?
Which nerve provides motor innervation to the diaphragm?
Which nerve provides motor innervation to the diaphragm?
How are the crura of the diaphragm asymmetrical?
How are the crura of the diaphragm asymmetrical?
Where does the lateral arcuate ligament attach?
Where does the lateral arcuate ligament attach?
