Cerebellum
Motor Function Review
Reach & Grasp
Muscle Tone
Abnormal Balance
100
3 major regions of cerebellum and their function
What is vestibulocerebellum=balance spinocerebellum= muscle tone and posture cerebrocerebellum= balance of opposing muscle groups
100
Where does feedback come from (3 things)
What is propriception, vestibular receptors, visual system
100
Which lobe is responsible for object recognition?
What is Inferior Temporal
100
How many synpases in a monosynaptic refelxes?
What is one
100
What is COM alignment?
What is relationship of body segments to one another
200
What are two other cerebellar functions?
What is timing of movement, analyzing visual signals, cognition and motor learning
200
Purpose of gamma motor neuron
What is muscle can contract but remain taut
200
Which lobe is responsible for object localization?
What is posterior parietal
200
What is an example of a disynaptic reflex?
What is reciprocal inhibition
200
What role wuld deformitites have on BOS?
What is if there is pain cannot placepressure on area and BOS decreases
300
What is the name of a cerebellar disorder?
What is Wallenberg syndrome/lateral medullary syndrome
300
Where are muscle spindles found?
What is extrafusal muscle fibers
300
What are the four motor components of reaching?
What is primary motor cortex&corticospinal tract, pre-motor cortex, cerebellum, musculoskeletal
300
how can reflexes be modulated by higher cortical structures?
What is when something is really hot and we dont want to drop it we decrease reflexes so that we can hold on to it and vice versa
300
Is positive Rhomberg good or bad sign?
What is bad sign, need balance when eyes closed
400
A cerebllar disorder is due to what condition?
What is stroke-- due to occlusion of posterior inferior cerebellar artery
400
In most movements which two neurons function simultaneously?
What is gamma motor and alpha motor
400
Define shift
What is movement between finger and thumb pads (i.e turning coin between fingers)
400
What is a polysynaptic reflex?
What is automatic reflex, happens at level of spinal cord
400
When leaning with eyes closed what sensory system are you relying on?
What is vestibular system and somatosensory
500
What are two symptoms of a cerbellar disorder?
What is ataxia, vertigo, nystagmus, dysphagia, dysarthria
500
What is the purpose of the Golgi Tendon Organ?
What is keeps muscle from tearing tendon
500
When do we begin to hold objects in both hands?
What is late in first year
500
what is muscle tone?
What is muscles resistance to passive stretch
500
In the besTEST what conditions results in a score of 2,1,0
What is stroke or injury
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