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knh 244 final outline

knh 244 final outline - 1 Joints between vertebrae a...

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1. Joints between vertebrae a. Intervertebral disc- joint between anterior sections- fibrocartilaginous disc i. Outer fibrous rim (annulus): protein coat, collagen ii. Nucleus pulposus: braces annulus to prevent buckling b. Intervertebral joint- joint between posterior section of vertebrae c. distribute stress to endplates (deformable cartilage plate at top and bottom of vertebrae) 2. Cartilaginous joint between vertebrae allow motion between bodies 3. Which between vertebrae component will break first if pressure applied- end- plates 4. Bones in foot/ankle- 26 5. Moveable vertebrae- 24 6. 3-Joint Complex- know, question about it on test a. when two consecutive vertebrae are articulated b. anterior joint(1)- between vertebral bodies formed by intervertebral disc c. Posterior joints(2)- formed by articulation of superior articular process of one ver- tebra with inferior articular process of vertebrae above 7. Z-joints- know well, multiple questions a. posterior joints known as zygapophyseal joints(also facet joints) b. they are synovial and planar (pair) c. enclosed in capsule, cartilage covers surface of facet d. permits gliding e. shape and plane of articulation determines the direction of motion and range of motion between vertebrae 8. Z-joints in cervical vertebrae- a. favor rotation and lateral flexion b. movements are flexion and hyperextension and lateral flexion 9. Z-joints in thoracic vertebrae a. permit rotation and lateral bending 10. Z-joints in lumbar vertebrae a. superior facets give rise to mammillary processes
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