2024年9月10日 · The axis is the second cervical vertebra, commonly called C2. It is an atypical cervical vertebra with unique features and important relations that make it easily recognisable. Its most prominent feature is the odontoid process (also know as the dens or peg), which is embryologically the body of the atlas (C1) 1,2 .

2024年6月7日 · Understanding the anatomy of the C2, C3, and C4 vertebrae can provide valuable insight into the causes and treatment options for neck pain. If you are experiencing persistent neck pain or other symptoms, it is important to consult with a healthcare professional for an accurate diagnosis and appropriate treatment plan.

Cervical nerves C1, C2 and C3 control your forward, backward and side head and neck movements. The C2 nerve provides sensation to the upper area of your head; C3 gives sensation to the side of your face and back of your head.

2022年1月4日 · C1, C2 and C3 provide motor function to the head and neck, as well as sensation from the top of your scalp to the sides of your face

Superior cervical group: made up by C1 (atlas) and C2 (axis). Inferior cervical group: made up by C3 to C7. The first two cervical vertebrae differ considerably from the others. Atlas, C1, is a ring-like shape , it lacks a body and a spinous process, Axis, C2, has a vertebral body.

2023年10月30日 · The axis, also known as the epistropheus, is the second cervical vertebra (C2) that has some similarities to a typical cervical vertebra but is categorized as an atypical vertebra because of its unique features. Its most characteristic feature is the prominent superior projection known as the dens axis, or odontoid process.

2024年11月6日 · The C2-C3 facet joint is innervated by two branches of the posterior ramus of the third cervical spinal nerve innervate, a communicating branch and a medial branch known as the third...

6 天之前 · Explore the anatomy and function of the cervical vertebrae with Innerbody's interactive 3D model. The cervical vertebrae of the spine consist of seven bony rings that reside in the neck between the base of the skull and the thoracic vertebrae in the trunk.

2024年1月9日 · When tracing abnormal sensation, patients should be asked to be as specific as possible. C2, C3, and C4 sensation should move from the posterior to the anterior neck. C5–T2 has very specific dermatomes on the arm, wrist, and fingers. Note any abnormalities such as tenderness, lumps, asymmetries, or misalignments.

2025年1月15日 · C2 (Axis): Features the dens (odontoid process), a peg-like structure that allows rotational movement of the head. C3 to C7: Typical cervical vertebrae with small bodies, transverse foramina, and bifid spinous processes (except C7, which often has a …