Which of the following accurately describes what happens to the intervertebral foramen during extension?
a. Intervertebral foramen becomes smaller.
b. Intervertebral foramen remains the same size.
c. Intervertebral foramen becomes larger.
d. Intervertebral foramen becomes square in shape.
ANS: A
During extension of the spine, the intervertebral foramen is narrowed, and the spinous processes
move closer together.
Health Professions
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