Which cervical level is most commonly affected by degenerative cervical radiculopathy?

Prepare for the Cervical Spine Orthopedics I Exam. Boost your understanding with flashcards and multiple choice questions, each with detailed explanations and hints. Ace your exam efficiently and confidently!

Multiple Choice

Which cervical level is most commonly affected by degenerative cervical radiculopathy?

Explanation:
Degenerative cervical radiculopathy most often hits the C5-C6 level because this segment bears a lot of motion and load, leading to the most degenerative changes like disc bulge and uncovertebral joint osteophytes that narrow the neural foramen. When the C5-C6 disc degenerates, the C6 nerve root—exiting between these two vertebrae—is the one that's typically compressed, producing classic radicular symptoms in the C6 distribution. Upper levels like C1-C2 or C2-C3 have less degenerative change due to their different biomechanics, and while C7-T1 can be involved, it’s less common. So the C5-C6 segment is the usual culprit.

Degenerative cervical radiculopathy most often hits the C5-C6 level because this segment bears a lot of motion and load, leading to the most degenerative changes like disc bulge and uncovertebral joint osteophytes that narrow the neural foramen. When the C5-C6 disc degenerates, the C6 nerve root—exiting between these two vertebrae—is the one that's typically compressed, producing classic radicular symptoms in the C6 distribution. Upper levels like C1-C2 or C2-C3 have less degenerative change due to their different biomechanics, and while C7-T1 can be involved, it’s less common. So the C5-C6 segment is the usual culprit.

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