Joints & Misc Flashcards
-upper and lower surfaces, endplates, of the vertebral bodies are covered with hyaline cartilage and have an intervertebral disc between them
-slight movement
Intervertebral joints
*cartilaginous (symphyses)
-superior and inferior articular processes of adjacent vertebrae
-gliding movement
Facet joints (apophyseal joints)
*synovial, gliding plane
-facets of the occipital condyles of the occipital bone of the skull with the superior articular facets of Atlas C1
-flexion, extension, lateral flexion
Atlanto-occipital joints
*synovial, ellipsoid
T/F
There are 3 joints between the Atlas and Axis, 2 lateral and 1 midline
True
*lateral - synovial plane (gliding)
*midline - synovial pivot
What type of joint is the lumbosacral joint?
L5S1
Cartilaginous (symphysis)
*slight movement
What type of joint is the sacrococcygeal joint?
Symphysis
*alex of sacrum and first coccygeal vertebra
*slight movement
-U shaped bone located just above the larynx and below the mandible
-suspended from the stylus processes of the temporal bone
-only bone in the body that articulates with no other bones
Hyoid bone
T/F
The curvatures of the spine give strength to support the weight of the body and it makes balance possible
True
What are the primary curves?
Thoracic and sacral
*concave forward
What are the secondary curves?
Cervical and lumbar
*convex forward
When does the cervical curve develop?
First year of life when child holds their head up
When does the lumbar curve develop?
Second year when child learns to walk
An abnormally accentuated lumbar curve
Lordosis
An abnormally increased roundness of the thoracic curvature
Kyphosis
An abnormal side to side curvature of the spine
Scoliosis
