What are Craniovertebral joints?
The craniovertebral junction (CVJ) consists of the occiput and the first two cervical vertebrae, and functions as an articulation point capable of complex motions distinct from the remainder of the spinal column.
What is Atlantodental joint?
What is atlantoaxial osteoarthritis? Atlantoaxial osteoarthritis is osteoarthritis of the joint between the two upper vertebrae in your neck (called the ‘atlas’ and the ‘axis’), which may cause cervicogenic headache.
What is another name for the atlantoaxial joint?
Synonyms: Odontoid process of axis, Dens of vertebra C2 , show more… The median atlantoaxial joint is a pivot type of synovial joint.
What does the atlantoaxial joint do?
The C1 C2 spinal motion segment, also called the atlantoaxial joint, is located in the upper portion of the cervical spine. It consists of the C1 and C2 vertebrae, and the anatomical structures connecting them. This segment provides rotational motion, supports the head, and protects the spinal cord and nerve pathways.
Where is the Craniovertebral Junction?
The craniovertebral junction is a complex region that incorporates the occiput-C1-C2 portions of the spine. It is a transition between the cranium and the mobile cervical spine that permits significant motion. The motions afforded and the anatomy are vastly different at the occiput-C1 and C1-C2 articulations.
What is Craniovertebral angle?
Craniovertebral angle measurement is usually performed in an outpatient setting and is defined as the acute angle formed between a straight line connecting the spinous process of C7 to the tragus of the ear, and the horizontal line passing through the spinous process of the C7.
What is Osteoligamentous ring?
The pelvis has a stiff osteoligamentous ring structure with the pelvic joints (sacroiliac joints and pubic symphysis) allowing limited movement under load. It is a true ring structure; hence if the ring is broken and displaced in one area, there must be an injury in another part of the ring.
What are the 2 types of intervertebral joints?
Intervertebral joints. The intervertebral joints connect directly adjacent vertebrae of the vertebral column. Each intervertebral joint is a complex of three separate joints; an intervertebral disc joint (intervertebral symphysis) and two zygapophyseal (facet) joints.
What is neck joint called?
Introduction. The atlantoaxial joint is a type of synovial joint that is classified as a biaxial, pivot joint. This joint resides in the upper part of the neck between the first and second cervical vertebrae, also known as the atlas and axis, respectively.
What bones make up the atlantoaxial joint?
The atlanto-axial joint is a joint between the atlas bone and the axis bone, which are the first and second cervical vertebrae. It is a pivot joint. There is a pivot articulation between the odontoid process of the axis and the ring formed by the anterior arch and the transverse ligament of the atlas.
What happens if C1 is damaged?
Symptoms following an injury to the cervical vertebrae C1 and C2 may include: Complete paralysis of arms and legs. Muscle atrophy. Limited head and neck movement.
What is Klippel Feil syndrome?
Definition. Klippel-Feil Syndrome is a rare disorder characterized by the congenital fusion of two or more cervical (neck) vertebrae. It is caused by a failure in the normal segmentation or division of the cervical vertebrae during the early weeks of fetal development.
Where is the Craniovertebral angle?
The craniovertebral angle is identified as the intersection of a horizontal line passing through the C7 spinous process and a line joining the midpoint of the tragus of the ear to the skin overlying the C7 spinous process.
How do I know if I have nerd neck?
Common signs of nerd neck include the following:
- Tension headaches.
- Shoulder pain.
- Neck pain.
- Rounded shoulders (kyphosis or “dowager’s hump”)
- Muscle spasms.
- Chronic fatigue.
- Restricted breathing.
- Temporal mandibular joint (TMJ) pain.
What is an atlas joint?
Atlas and axis joint: The joint between the atlas and axis bones. The atlas is the first cervical (neck) vertebra which is just under the head; it is named for Atlas, the Greek god who supported the world on his shoulders.
Where is the OA joint?
1st cervical vertebrae
Affectionately called the OA joint – the occiput (or back of the skull) sits like a foot ball on top of the 1st cervical vertebrae (the atlas). The Atlas has 2 cup shaped facets which allows the skull to gently rock and nod into flexion (chin pulled back towards neck) and extension (chin poking out).
What are the three joints between vertebrae?
What are the 6 main types of synovial joints?
Synovial joints are often further classified by the type of movements they permit. There are six such classifications: hinge (elbow), saddle (carpometacarpal joint), planar (acromioclavicular joint), pivot (atlantoaxial joint), condyloid (metacarpophalangeal joint), and ball and socket (hip joint).
Which bone is called Yes bone?
➡️Atlas bone is also called Yes bone because it is responsible for the yes movement that we can do…..
What are the 4 types of joints and examples?
What are the different types of joints?
- Ball-and-socket joints. Ball-and-socket joints, such as the shoulder and hip joints, allow backward, forward, sideways, and rotating movements.
- Hinge joints.
- Pivot joints.
- Ellipsoidal joints.
What joint is between C1 and C2?
The C1 and C2 vertebrae are the first two vertebrae at the top of the cervical spine. Together they form the atlantoaxial joint, which is a pivot joint.
What is the joint in the neck called?
Detailed Solution. The correct answer is the Pivotal joint. The joint where our neck joins the head is a pivotal joint. It allows us to bend our head forward and backwards and turn the head to our right or left.
Is C1 The most serious spinal injury?
A C1 through C2 vertebrae injury is considered to be the most severe of all spinal cord injuries as it can lead to full paralysis—but is most often fatal.
What nerves are affected by C1?
The C1 Nerve Root supplies neurological impulses for blood supply to the head, the pituitary gland, the scalp, bones of the face, the brain itself, inner and middle ear, and the sympathetic nerve system.
Does Klippel-Feil syndrome get worse with age?
KFS symptoms may or may not be apparent at birth or during childhood. However, KFS symptoms typically worsen with age and may become more apparent later in life.