Axial Joints Flashcards
Intervertebral Joint:
Structural classification
Functional classification
Articular surfaces of joint
SC: Cartilaginous Symphysis
FC: Amphiarthrotic
Articular Surfaces: Inferior body of superior vertebra articulates with superior body of inferior vertebra and intervertebral disc
Intervertebral Joint:
Movements
Axis
Slight movement (hydrophillic)
up,down/ side to side
Axis: Unclassified
Intervertebral Joint:
Two muscles
One nerve
2 Ligaments/ accessory structures
M: Iliocostalis, Spinalis
N: Cervical
Lig: Anterior longitudinal lig (ALL)
Posterior longiudinal lig (PLL)
Intervertebral Joint:
Two pathologies
Closed-pack position
- Disc herniation
- Degenerative Joint disease
CP: Extension
Zygopophyseal Joint:
Structural classification
Functional classification
Articular surfaces
SC: Synovial Planr
FC: Diarthrotic
AS: Superior articular facets artiulate with inferior articular facets
Zygopophyseal Joint:
Movements
Axis
Small gliding movements
Uniaxial
Zygopophyseal Joint:
Two muscles
One nerve
Two ligaments
M: Iliocostalis, Spinalis
N: Cervical
Lig: Anterior longitudinal ligament (ALL)
Posterior longitudinal ligament (PLL)
Zygopophyseal Joint:
Two pathologies
Closed-pack position
- Disc herniation
- Degenerative joint disease
CP: Extension
Sacroiliac Joint:
Structural classification
Functional classification
Articular surfaces
**SC: **
Anterior: Synovial Planar
Posterior: Fibrous syndesmosis
FC:
Anterior: Diarthrosis
Posterior: Amphiarthrotic
**Articular surfaces: **
Articular surface of ilia is convex, articular surface of sacrum is concave
FISH = Fibrocartilage covers the ilium (FI) Sacrum is covered in Hyaline cartilage
Sacroiliac Joint:
Movement
Axis
Gliding movement (nutation and counternutation)
Uniaxial
Sacroiliac Joint:
Two muscles
One Nerve
Two Ligaments
M: Iliocostalis
Spinalis
N: Spinal Nerves
Lig: Anterior sacroiliac ligament
Interosseus sacroiliac ligament
Sacroiliac Joint
Two Pathologies
Closed-Pack Position
SI joint dysfunction
SI joint irritation
CP: Full nutation
Sacrococcygeal Joint
Structural Classification
Functional Classification
Articular Surfaces
SC: Cartilaginous Symphysis
FC: Amphiarthrosis
Articulation:
Base of coccyx articulates with apex of sacrum
Sacrococcygeal Joint
Movement
Axis
Slight movements forward and backwards
Axis: Unclassified