Degenerative cervical spondylolisthesis most commonly occurs in which region?

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Multiple Choice

Degenerative cervical spondylolisthesis most commonly occurs in which region?

Degenerative cervical spondylolisthesis happens when aging wear-and-tear weakens the discs and facet joints, allowing one vertebra to slip forward over the one beneath it. The mid-cervical region is most commonly affected because it undergoes substantial flexion-extension and shear during daily movement, and degenerative changes in this zone disrupt both the disc height and facet joints, making anterior translation more likely. The upper cervical spine is geometrically stable and reinforced by strong ligaments, so slipping is less common there. The thoracic spine is constrained by the rib cage and overall stiffness, which also reduces the chance of forward slipping. While lower cervical levels can slip, the mid-cervical region tends to be the usual site for degenerative spondylolisthesis in many patients.

Degenerative cervical spondylolisthesis happens when aging wear-and-tear weakens the discs and facet joints, allowing one vertebra to slip forward over the one beneath it. The mid-cervical region is most commonly affected because it undergoes substantial flexion-extension and shear during daily movement, and degenerative changes in this zone disrupt both the disc height and facet joints, making anterior translation more likely.

The upper cervical spine is geometrically stable and reinforced by strong ligaments, so slipping is less common there. The thoracic spine is constrained by the rib cage and overall stiffness, which also reduces the chance of forward slipping. While lower cervical levels can slip, the mid-cervical region tends to be the usual site for degenerative spondylolisthesis in many patients.

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