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gait final exam > postural control > Flashcards

postural control Flashcards

1
Q

Static postural control

A
  • Static base of support
  • Static individual
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2
Q

Dynamic postural control

A
  • Individual moving on a static BOS
  • BOS is moving while the individual is static
  • sway = moving on a static surface
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3
Q

4 stages of postural control

A

1) static steady
2) dynamic steady state
3) proactive (anticipatory)
4) reactive

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4
Q

Static steady

A
  • Sitting or standing
  • Can be measured by normal/good/fair/poor
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5
Q

Dynamic steady state

A

Steady position while walking

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6
Q

Proactive (anticipatory balance)

A
  • Anticipatory (preparation for predicted change in balance)
  • Ex. reaching for something the cerebellum has already incoded
  • cognitive
  • Is learned/ needs alot of practice
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7
Q

Reactive balance

A
  • Responding to a push, trip (unexpected perturbation)
  • Is learned / needs a lot of practice
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8
Q

task to test dynamic posture

A

sway

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9
Q

task to test proactive

A

walking

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10
Q

task to test reative

A

pertibation

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11
Q

elements of postural control

A
  • biomechanical alignement
  • sensory feedback
  • motor activation
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12
Q

sensory aspects of postural control

A
  • somatosensory
  • vestibular
  • vision
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13
Q

Merkels cells

A

light touch

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14
Q

Pacinian corpuscles

A

fine touch details

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15
Q

Ruffini endings

A

stretch and movement

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16
Q

sensory for postural control: vision

A
  • Inputs are an important source of info for a steady state postural control
  • Humans initially learn to obtain posture with feedback from our visual system
  • Is our steering system and assets more then maneuvering around people or objects
17
Q

sensory for postural control: vestibular

A
  • Provides CNS with the information about head position and movement in respect to gravity
  • Should have pts do quick sit to stands
18
Q

MS purpose in postural control

A

awareness of movement (speed and length)

19
Q

GTO purpose in postural control

A

Force or heaviness in objectives or creation of force

20
Q

joint capsule/joint receptors

A

similar to skin: information regarding joint movement

21
Q

All sensory systems integrate together to provide feedback to keep upright and in alignment

A
  • PNS: Sensorimotor control integration (integrated system for posture
  • CNS: Takes info form the sensorimotor cortex and the c spine
22
Q

Posture relies on the sensory systems to receive information from the periphery (vision, vestibular, tactile, and proprioceptive) and produces and automatic motor response based on

A
  • Direction of change
  • Force
  • Postural position
23
Q

muscular responses in postural control need to be

A
  • organized
  • On time
  • Spatially organized for muscle firing
  • Correct force

gait final exam (6 decks)

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