The anatomy of the thoracic cage provides ridged support and protection but at the same time is also flexible and mobile. Of the list below, which feature does not aid in the flexibility and movement of the thoracic cage?
A. the jugular notch
B. the costal spaces occupied by costal muscle
C. the sternal angle
D. the costal cartilages
Answer:A
The anatomy of the thoracic cage provides ridged support and protection but at the same time is also flexible and mobile. Of the list below, which feature does not aid in the flexibility and movement of the thoracic cage?
A. the jugular notch B. the costal spaces occupied by costal muscle C. the sternal angle D. the costal cartilages