LIF101 Anatomy. Lecture 3: The Spine and Rib Cage. The Spine. A.K.A. vertebral column Curved column of 24 vertebrae Functions: Supports the trunk and head Surrounds and protects the spinal cord Four-arch curve 2 posterior curves 2 anterior curves. Precision of balance provided by:.
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The Spine and Rib Cage
Body: the large
central mass which yields broad upper
and lower surfaces
for articulation with adjoining vertabrae.
C-7 is quite prominent at the nape of the neck
Visible Spinous Processes
a.k.a. “small” of back
they support the most weight
(spaces between ribs)
Xiphoid Process creates a small pit
Forms a “pit” in the
(NOT a 90 degree angle)
to the ground plane
and the Xiphoid process