Atlanto-Axial Joint

Atlanto-Axial Joint

Question 1. Atlanto-axial joint
Answer:

Types of joint:

“Understanding the atlanto-axial joint through FAQs: Anatomy, functions, and uses explained”

Atlanto-axial joint Ligaments:

• Laterally
  • Capsular ligament
  • Lateral part of the anterior longitudinal ligament
  • Ligamentum flavum
• Medially
  • Loose capsular ligament
  • Transverse ligament

Atlanto-axial joint Movements:

• Rotatory around a vertical axis

Atlanto-axial joint Significance:

• Cruciate ligament of median atlantoaxial joint ruptures in judicial hanging

“Importance of studying the atlanto-axial joint for anatomy students: Questions explained”

Question 2. Dens.
Answer:

• Dens is the typical feature of second cervical vertebrae called axis

Dens Appearance:

• Dens is strong tooth-like process projecting upwards from the body of axis

Dens Significance:

• Dens represents the centrum of atlas which has fuse with centrum of axis
• Death in execution by hanging is due to dislocation of dens following rupture of transverse ligament of dens

Dens Relations:

• Superior surface of body of axis fuses with dens
• Easch side is encroached by superior articular facets

“Common challenges in mastering atlanto-axial joint notes effectively: FAQs provided”

Dens Surfaces:

• Inferior surface: Has prominent anterior margin
• Anterior surface: Has median ridge on each side

Dens Attachments:

Dens Anteriorly: Articulates with anterior arch of atlas

Dens Posteriorly: With transverse ligament of atlas

Dens At apex: Provides attachment to apical ligament

On each side below apex: To alar ligament

“Factors influencing success with atlanto-axial joint studies: Q&A”