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Vestibular System Overview

Vestibular Balance Assessment

The vestibular system is a complex sensory system that is important in maintaining balance, orientation, and the coordination of movement. It involves the inner ear, a structure called the Labyrinth, and is made up of a network of structures that work together to tell your brain where your body is in space.

The main structures involved include the:

  • Semicircular Canals: Small tubes filled with liquid and tiny hair sensors in your inner ears. They help sense when your head is turning.
  • Otolith Organs: These structures of the inner ears also have tiny hair sensors, but with crystals attached to them. They help you sense when you’re moving or changing position with respect to gravity.
  • Vestibular Nerve: This nerve carries messages from the hair sensors in your inner ears to your brain, specifically to the brainstem.
  • Brain: Certain areas of the brain, particularly the brainstem and cerebellum, receive and process information from your inner ears and other senses, and then send messages to different muscles across the body for balance and stable vision.

The vestibular system works with your other sensory systems to help you stay balanced, coordinate your eye and head movements, and keep your vision clear when your head is in motion. It’s crucial for everyday activities like sitting, standing, and walking, and allows you to move comfortably no matter how you’re positioned or how fast you’re moving.