Cervical spine biomechanical segment

The cervical spine biomechanical segment is a functional anatomical unit of the cervical (neck) region of the spinal column, generally defined as two adjacent cervical vertebrae and the associated intervertebral disk, ligaments, facet joints, muscles, and neurovascular structures[1][2][3][5]. This segment provides both structural support and extensive mobility to the head and neck, facilitating flexion, extension, rotation, and lateral bending. The intricate biomechanics of the segment result from the articulation of the vertebral bodies, intervertebral disks, and zygapophyseal (facet) joints[1][2][3]. Cervical biomechanical segments are commonly studied in orthopedic and biomechanical research, especially in the context of degenerative disorders (e.g., spondylosis, disk degeneration) and after surgical intervention (e.g., discectomy, fusion, or artificial disc implantation)[2][6]. The concept is anatomical and biomechanical rather than molecular, and it does not represent a druggable biological entity. This entry is not a molecular or pharmacological target; instead, it is an anatomical concept central to spine biomechanics, orthopedic surgery, and rehabilitation medicine[1][2][3][5][6].

Other names

Cervical motion segmentCervical vertebral segment