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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology Kinesiology
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littlej_dvine littlej_dvine
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6 years ago
Consider the motion of the ribs and the T4 on T5 vertebral motion segment. Which of the following statements is true regarding the motion that occurs during expiration?
 
  a. There is an anterior, cephalic glide of the inferior articular facet of T4 and compression of the anterior ribs.
  b. There is a posterior, caudal glide of the inferior articular facet of T4 and compression of the anterior ribs.
  c. There is an anterior, caudal glide of the inferior articular facet and compression of the posterior aspect of the ribs.
  d. There is a posterior, cephalic glide of the inferior articular facet and compression of the anterior aspect of the ribs.
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#1
6 years ago
ANS: A
The motion that occurs during expiration is similar to that of flexion. At the vertebral level, this
would create an anterior cephalic glide of the inferior articular facet and compression of the
anterior ribs with distraction of the posterior ribs.
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