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Abnormal Postural Control
Test 2
27
Physiology
Graduate
07/18/2011

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Cards

Term
What percentage of CVA pts fall within the first 6 months?
Definition
73%
Term
What percentage of Parkinson's patients fall?
Definition
40-68%
Term
Impaired postural control in patients with neuro deficits can lead to loss of what?
Definition
Functional independence
Term
Children with CP, in stance, recruit proximal to distal in the __ extremeity >> increased sway
Definition
Hemiparetic
Term
Children with diplegia CP (stand on toes), recruit TA before __ (in response to forward sway)
Definition
Gastroc
Term
Delayed recruitment of __ synergists are seen in downs syndrome and post TBI pts. This causes excessive knee and hip motion
Definition
Proximal
Term
Name 5 disabilties that cause coactivation of antagonists
Definition
CP
CVA
TBI
Down's Syndrome
Parkinsons
Term
What will coactivation of ms cause?
Definition
Stiffening of body, inefficient for recovery of balance
Term
Name 3 disabilities that cause delayed activation of postural responses.
Definition
CVA
CP
Downs
Term
These pts are unable to increase agonist force for increased perturbation
Definition
CP
Term
With a lesion here, postural responses to perturbation is too large
Definition
Anterior cerebellar lobe
Term
Name 3 diseases where they pts will have problems quickly modifying postural activity to changing tasks
Definition
CVA
CP
Parkinsons
Term
Determines which movement strategies are effective and how muscle are recruited
Definition
Musculoskeletal contribution
Term
Children with CP diplegia, in a crouched posture, used __ of antagonists in response to perturbations (same as healthy children)
Definition
coactivation
Term
AFOs have a significant impact on timing and sequencing of muscles used for postural control. Name 3 things.
Definition
1. Decreased use of ankle strategy
2. Delay in onset of ankle muscle activity (or none)
3. Increased use of hip and trunk muscles
Term
Inability to activate postural muscles in advance of voluntary movements
Definition
Loss of anticipatory postural control
Term
Name 4 things that can result from a loss of anticipatory postural control.
Definition
1. Creates postural destabilization
2. Can improve with training
3. Seen in pts with CVA, CP, Downs, and Parkinsons
4. Damage to any of these areas: supplementary motor cortex, BG, and cerebellum
Term
Organization and coordination of __ input is critical for postural control
Definition
Sensory
Term
Affects the ability to adapt to sensory inputs to changes in task and environmental demands. Prevents development of accurate internal models of the body for postural control.
Definition
Sensory/Perceptual disorders
Term
Loss of more than one sense can significantly reduce __
Definition
Balance
Term
Sitting by 2 years old is predictive of __ in CP children.
Definition
Walking
Term
With CVA or TBI patients, the ability to sit independently at admission to rehab was correlated with higher __ scores at D/C.
Definition
FIM
Term
Name 4 things that is seen with trunk control in sitting post CVA.
Definition
1. Reduced ability to recruit paretic ms
2. Upper trunk more active than lower
3. Decreased velocity of trunk movement during reaching tasks
4. Inability to use the hemiparetic LE for support decreases postural control in sitting
Term
Name 5 postural problems with CVA pt
Definition
1. Postural responses delayed
2. Synergistic organization of ms response impaired
3. Loss of anticipatory postural ms
4. Secondary impairments (weakness, ROM)
5. Sensory problems (visual, somatosensory, and integration)
Term
Name 6 postural problems seen in Parkinson's pts
Definition
1. Co-activation of ms causing rigidity
2. Unable to modify movement patterns quickly and may use same response inappropriately in diff situations
3. Decreased anticipatory postural control
4. Rigidity and bradykinesia leading to secondary impairments
5. Difficulty with sensory organization
6. Difficulty multi-tasking
Term
Name 3 postural problems seen with cerebellar pts
Definition
1. Difficulty scaling postural activity
2. Hypermetric response to perturbations(over responds)
3. Difficulty adapting sensory info
Term
Name 5 postural problems seen in spastic CP patients
Definition
1. Onset latency of ms reactions delayed
2. Ms activity is slow and reduced in amplitude
3. Impaired sequencing of ms activity
4. Secondary changes in postural alignment, weakness, and ROM
5. Potenial use of AFO
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