Vestibular Rehab - Lecture 12 Flashcards
3 systems the brain relies on for balance
vision
vestibular
somatosensory/proprioceptive
somatosensory system
sensation from the joints in the legs and feet
what happens if the 3 systems are not in agreement
balance can be compromised
what system is crucial to balance
vestibular
can be disrupted in people of all ages
what does the visual system do
allows us to see where we are in relation to other objects
age related changes to the visual system
decreased visual acuity
decreased depth perception
decreased peripheral vision
what does the proprioceptive/somatosensory system all
to be aware of movements of muscles and joints
allows us to feel when our body has moved
age related changes to somatosensory system
decreased tactile sensation in legs and feet
decreased joint position sense
knowledge of how legs are positioned
causes of balance disorders
rarely the result of a single dz
typically caused by multiple factors
orthopedic problems
multiple factors that could cause balance disorders
strokes
head injury
MS
diabetes
peripheral neuropathies
parkinsons
orthopedic problems that could cause balance disorders
joint injury
replacement
amputation
side effects of medication
depression
anxiety
causes of dizziness and balance disorders
vestibular disorders
where do vestibular disorders originate
inner ear or CNS
what do vestibular disorders result in
vertigo
dizziness
balance difficulties
how much of the population will complain of dizziness at least once in their lifetime
42%
90 million people
