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The C6-C7 spinal motion segment bears the primary load from the weight of the head and provides support to the lower part of the neck. The lower end of this motion segment articulates with the first vertebra of the thoracic spine (T1).
Your cervical spine — the neck area of your spine — consists of seven stacked bones called vertebrae. The first two vertebrae of your cervical spine are unique in shape and function. Your first vertebra (C1), also called the atlas, is a ring-shaped bone that begins at the base of your skull.
Spinal nerve pain from C7 may be treated with steroid injections in the epidural space, around the C7 nerve itself, or injections into the facet joint of the C6 and C7 vertebrae. Risks of these injection procedures include hematoma, bleeding, and nerve damage.
The C6 C7 spinal motion segment is located in the lower part of the cervical spine and consists of the C6 and C7 vertebrae, and the anatomical structures connecting them. This segment helps provide neck flexibility, supports the cervical spine and head, and protects the spinal cord and nerve pathways.
The cervical spine comprises 7 vertebrae (C1 to C7) and is divided into 2 major segments. The 2 most cephalad vertebrae, the atlas (C1) and the axis (C2), form the craniocervical junction (CCJ) together with the occiput.
Explore the anatomy, function, and role of the C6 vertebra with Innerbody's interactive 3D model. The C6 vertebra is the sixth cervical vertebra of the spine. It is found in the base of the neck between the C5 and the last cervical vertebra, C7.
In humans, cervical vertebrae are the smallest of the true vertebrae and can be readily distinguished from those of the thoracic or lumbar regions by the presence of a foramen (hole) in each transverse process, through which the vertebral artery, vertebral veins, and inferior cervical ganglion pass.
Key facts about the cervical spine; Types of vertebrae: Typical (C3-C6), atypical (C1, C2, C7) Structure of typical vertebrae: Vertebral body, transverse process, spinous process, vertebral foramen, vertebral arch, articular processes: Intervertebral discs
The cervical spine is the most mobile part of the vertebral column. Flexion range of motion is usually around 40 degrees, and extension is around 50 degrees. The largest contributors to flexion/extension are: C4/C5 and C5/C6 in sitting; C6/C7 in supine; C7/T1 contributes the least to flexion/extension.
Atlas. The atlas is the first cervical vertebra and articulates with the occiput of the head and the axis (C2). It differs from the other cervical vertebrae in that it has no vertebral body and no spinous process. Instead, the atlas has lateral masses which are connected by an anterior and posterior arch.