793262
Description
Mind Map by ness_sykes, updated more than 1 year ago
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Created by ness_sykes
over 11 years ago
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The Vestibular System (Balance)
- 2 Components:
- 3 Semicircular Canals
- Posterior
- Anterior
- Lateral (or "horizontal"
- Posterior
- 2 Otolith Organs
- Utricle
- Saccule
- Utricle
- Similarities: filled with fluid & hair cells
Annotations:
- - Each are filled with fluid and a small patch of sensory hair cells - Movements result in fluid flow which displaces hair cells and leads to sensory responses
- 3 Semicircular Canals
- Principle Planes & Axes
- 3 linear Axes: X, Y, Z
- Z Axes: along the spine and out the top of the head
- Y Axes: Through our ears out the other side
- X Axes: From back of the head, through our noes in front of us
- Rotate around these axes (but stay within the plane of the other two)
- Frontal (Roll)
- Like a cartwheel around the X axes
- Like a cartwheel around the X axes
- Median (Pitch)
- Like nodding your head or forwards roll around the Y axes
- Like nodding your head or forwards roll around the Y axes
- Transverse (Yaw)
- Z Axes - Pirowet spinning around on the spot
- Z Axes - Pirowet spinning around on the spot
- Frontal (Roll)
- Z Axes: along the spine and out the top of the head
- Any movements we make are combinations of these 6 ways of moving
Annotations:
- Along the: X, Y & Z Axes Frontal (roll), Medium (pitch), Transverse (yaw) planes
- 3 linear Axes: X, Y, Z
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