number thirteen about sacrum the sacrum
is a triangular bone in the lower back
formed from a fused vertebra and
situated between the two hip bones of
the pelvis the English word sacrum was
introduced as a technical term in
anatomy in the mid 18th century as a
shortening of the late latin name or
sacrum sacred bone it is where surgeons
perform a lumbar puncture to extract
samples of CSF it is the location of the
sacral pump the sacral pump is a regular
rhythmic motion between the occiput in
the throat and the sacrum it circulates
CSF back up the spinal cord through the
central nervous system and into the
brain the sacral pump is a key part of
the circulatory system and its proper
functioning is important for good
physical mental and emotional well-being