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71 Cards in this Set
- Front
- Back
Basal ganglia
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motor output based on cortical info rather than visual. Self initiated vs. visually triggered
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Problems associated with basal ganglia dysfunction
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Hypokinesia, bradykinesia, dystonia, hyperkinesia
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Hypokinesia
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slow movement
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Bradykinesia
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slow in execution of a movement
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Dystonia
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sustained posture of twisting of the neck
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Hyperkinesia/chorea
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excessive movement. worm-like hand movement.
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Basal ganglia are damaged, will have problems with:
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Self- initiated movement
Movement coordination and sequencing of movements. |
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Cerebral motor cortex damage may cause:
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Paralysis, plegia, or paresis.
Spasticity (hypertonicity) Abnormal/exaggerated reflexes Poor postural control Insufficient force generation Abnormal extensibility |
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Cerebral cortex damage, problems include:
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Controlling voluntary movement; control of co-contraction (joint stiffness).
Perceiving and interpreting sensory information. Making conscious decisions and generation of movements. |
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Weakness
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inability to generate normal force levels; major impairment with UMN lesion.
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Paralysis, plegia, or paresis dependent on extent of lesion: Total/severe loss of mm activity:
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paralysis/plegia
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Partial/mild loss of mm activity:
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paresis
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Paralysis or paresis-
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decreased voluntary motor unit recruitment and reflexs an inability or difficulty in recruiting skeletal motor units to generate torque or movement.
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Spasticity/hypertonicity
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velocity dependent increase in tonic stretch reflexes (muscle tone) with exaggerated tendon jerks, resulting from hyperexcitability of the stretch reflex. A component of UMN lesion.
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Cerebral palsy (CP) etiology
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Damage to CNS areas controlling motor behaviors.
UMN lesion. Can occur pre, peri, or post natal Differentiated by etiology, location, and extent of insult. Non-progressive lesion with progressive musculoskeletal impairments. |
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Motor related impairments (sequela of CP)
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Abnormal muscle tone- spasticity and abnormal muscle extensibility.
Hyperreflexive Poor force generation- plegia/paresis Poor selective control Poor anticipatory control Decreased ability to learn movements. Orthopedic problems- poor posture, overuse injury, biomechanical alignment problem, etc. |
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Other areas of concer in CP that our intervention plans may incorporate:
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Vision
Auditory Cognition Communication General Health Feeding Growth Behavior Social |
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Classification of CP by:
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Distribution
Type of muscle tone Severity Gross Motor Function Classification System Expanded and Revised (GMFCS E & R) |
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Classification of CP by distribution:
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Quadriplegia
Hemiplegia Diplegia |
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Quadriplegia
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All four extremities involved. Usually, one is a little bit better than the others.
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Hemiplegia
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One side more involved.
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Diplegia
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Primarily lower extremity involvement.
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Classification of CP by type of muscle tone
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Hypertonia
Hypotonia Athetosis Ataxia Mixed- can have hypertonic extremities and hypotonic trunk, or any other mixture. |
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Classification of CP by severity:
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mild, moderate, severe
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GMFCS-E&R
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Children with CP aged birth to 18 years.
Based on self-initiated movement with emphasis on sitting, transfers, and mobility. Five levels based on functional limitations and the need for hand-held mobility devices or wheeled mobility. |
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Level 1 GMFCS ER
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Walks without limitations
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Level 2 GMFCS ER
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Walks with limitations
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Level 3 GMFCS ER
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Walks using a hand-held mobility device
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Level 4 GMFCS ER
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Self-mobility with limitations; may use powered mobility
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Level 5 CMFCS ER
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Transported in a manual wheelchair (must be pushed)
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Neuromuscular lifespan concerns CP
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Seizures
Declining mobility Increased joint and muscle pain- check for things like d/l hip and skin breakdown. Scoliosis and stress related lumbar disorders. Arthritis Lack of exercise and decreased endurance. |
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Cardiopulmonary lifespan concerns CP
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Hypertension
Diabetes Heart disease |
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Nutritional lifespan concerns of CP
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Under or overweight. Underweight is more likely b/c they use a lot of energy trying to move. May need to work on energy conservation.
Choking and aspiration are a common cause of death. Poor dental health- tone of tongue, jaw and mouth make it difficult to do things like brush teeth. |
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Generalized problems in CP
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Osteoporosis
UTI Hearing loss GI |
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Women's health
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Privacy (reproductive health, breast exam, PAP smears, routine exam)
Menstruation late |
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Selected PT interventions
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Postural control
Mobility/gait Developmental milestones promoted at the appropriate chronological age with typical movement patterns to minimize abnormal development. Positioning AT equipment Functional joint range Strength, endurance, balance, coordination Joint and skin integrity Orthopedic, orthotics, splints Independence Self-determination (take responsibility for disability and express needs) Play/leisure Team member including family and child |
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Dysmetria, damage is located...
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cerebellum
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Dysmetria, movements look like
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tremor b/c of constant adjustments and overshoot.
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Intention tremor, damage is located:
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cerebellum
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Intention tremor, movements look like:
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Circular tremor as approach the target during voluntary movement. Primarily problem executing.
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Dystonia, damage is located:
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basal ganglia
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Dystonia, looks like:
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twisting of muscles. Pain management is important.
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Ataxic gait, damage located:
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cerebellum
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Ataxic gait, looks like:
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wide BOS, trunk instability, difficulty placing foot on the ground and progressing forward. Can't walk tandem.
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Chorea, damage located:
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basal ganglia
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Chorea, looks like:
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worm- like movements of arms (and legs)
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Clonus, damage located:
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UMN- tracts in cortex
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Clonus, looks like:
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involuntary contractions typically in foot, knee, wrist, etc.
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Spastic quadriplegia: what's injured, describe muscle tone and extensibility:
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Cerebral motor cortex
High tone, low extensibility |
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Hemiplegia: what's injured, describe muscle tone and extensibility:
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Unilateral cerebral cortex, motor area
limbs, trunk, face on opposite side severely weak. Low tone, high extensibility. |
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Spastic diplegia: what's injured, describe muscle tone and extensibility:
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Cerebral motor cortex
symmetrical involvement of arms, legs, or face. high tone, low extensibility |
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Neuromuscular disorder manifestations vary greatly based on:
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Age (gestation or term) at the time of neurological disruption/malformation/injury.
Location and severity of the neurological disruption/malformation/injury |
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Ectoderm (mesoderm-notochord)
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gives rise to the neural plate
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Neuro development: 3-4 weeks
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Formation (neural plate folds) and closing of neural tube.
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What disorder may occur during the first 3-4 weeks?
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Myelodysplasia/spina bifida
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Neuro development: 5-6 weeks
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Formation of basic structures and brain subdivisions. Neural tube flexes at level of midbrain.
Prosencephalon, mesencephalon, rhombencephalon. |
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Damage that may occur at 3-12 weeks
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Agenesis of the corpus callosum
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Agenesis of corpus callosum
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May have partial or complete absence of corpus callosum.
Lose bilateral coordination, visual perception, mild developmental delay, severe MR, and CP |
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Neurodevelopment 8-16 weeks
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Formation and proliferation of neural and glial cells
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Probs at 8-16 weeks
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Microencephaly
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Neuro development 9-20 weeks
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Neurons move from ventricular and subventricular zones to final destination.
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Problems that may develop during 9-20 week period:
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Lissencephaly (9-13 weeks)- genetic
Generalized or focal seizures |
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Neuro development:24 weeks- 2-3 years
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Alignment, orientation, and layering of neurons
Synaptogenesis Growth of axons and dendrites Myelenation of axons Elimination of neurons, neuronal processes and synapses. |
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Problems that may develop from 24 weeks - 2-3 years
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Range from mild coordination and learning disorder to CP.
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When would you use a standing frame for a child?
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Allow them to complete activities in standing and interact with their peers and allow them to have weight bearing to model bones.
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Post-birth brain damage due to immature cardiopulmonary system may include:
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hypoxia
Increased BP> IVH> periventricular leukomalacia Ischemia Asphixia |
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Function of the cerebellum
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Receives visual and cortical input to help send a motor response
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Motor problems due to cerebellar damage
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Dysmetria
Hypotonia Tremors Ataxic gait |
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Dysmetria
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Overshoot or undershoot a target
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Tremors due to cerebellar damage occur when?
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During voluntary movement
On approach to a target When maintaining position |
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When there's cerebellar damage, will have problems with:
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Postural control
Planning and executing movement Smooth volitional multijoint movements If block vision, they may do better. |