Vertebral curvatures

Of the normal vertebral curvatures, which are primary and which are secondary curvatures?

Anatomical characterists of lumbar vertebrae

List at least two specific anatomical characteristics each for typical cervical, thoracic, and lumbar vertebrae that would allow anyone to identify each type correctly

Discs

(a)What is the function of the intervertebral discs? (b) Distinguish between the annulus fibrosus and nucleus plposus regions of a disc. (c) Which provides durability and strength? (d) Which provides resilience? (e) Which part is involved in a “slipped” disc?

Ribs

(a) What is a true rib? A false rib? (b) Is a floating rib a true rib or a false rib? (c) Why are floating ribs easily broken

Thoracic cage

Name the major components of the thoracic cage.