Technical Tuesday Balance
There are two basic structures in the
inner ear that help us maintain our balance. First are three semicircular
canals that are connected at right angles to each other, like a gyroscope.
Second is the vestibule (containing the saccule and utricle) that connect the semicircular canals to the cochlea.
To maintain balance the semicircular
canals are filled with fluid (the endolymph),
and each canal has a cuplike structure (cupula)
that has fine hair cells. When you move your head, the fluid moves and gives
off signals. These signals are detected by the hair cells and converted into
nerve impulses that are sent to the brain.
The brain interprets these signals and
thus helps the body maintain its equilibrium, whether walking, dancing or doing
multiple pirouettes.
From the Big
Blue Book of Ballet Secrets
Anatomical Secret #27ggg:
“Two structures in the inner ear help maintain
balance.”
Link of the Day:
Quote of the Day:
“Your
dreaming self seeks to tell you something your waking ears will not hear.”
― Jacqueline Carey
― Jacqueline Carey
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