Which of the following movements is least permitted in the lumbar region of the vertebral column?
AFlexion
BExtension
CLateral flexion
DRotation
After a 26-year-old man's car was sideswiped by a large truck, he is brought to the emergency department with multiple fractures of the transverse processes of the cervical and upper thoracic vertebrae. Which of the following muscles might be affected?
ASerratus Posterior Superior
BRhomboid major
CTrapezius
DLevator scapulae
All of the following form the boundary of MacEwen's triangle except:
ATemporal line
BPosterosuperior segment of bony external auditory canal
CPromontory
DTangent drawn to the external auditory meatus
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