movement disorder

Question 1

voluntary movement is controlled by which system?

Answer 1

pyramidal, cerebellum, extra pyramidal and interaction with cranial nerves

Question 2

types of movement disorder?

Answer 2

hypokinetic and hyperkinetic

Question 3

types of tremors?

Answer 3

resting tremor: maximum at rest and less prominent by activity eg: parkinson’s disease
intentional tremor: more prominent during voluntary movement eg: cerebellar lesion
postural tremor: maximum while limb posture is actively maintained against gravity eg: hyperthyroidism, stress, toxicity, familial essential tremor

Question 4

definition of chorea?

Answer 4

semipurposeful, irregular, involuntary jerking movement affected limb and axial muscles

Question 5

causes of chorea?

Answer 5

hungtington's disease
sydenham's chorea
benign hereditary chorea
abetalipoproteinemia with chorea
levadopa enchance the chorea

Question 6

def of athetosis?

Answer 6

athetosis appear as a slow writhing twisting movement affect distal musccle of hands finger and face

Question 7

cause of athetosis?

Answer 7

commonest is cerebral palsy
hypoxic neonatal brain injury
kernicterus
lipid storage disease

Question 8

hemiballismus?

Answer 8

unilateral voilent swinging limbs cause by infarction or hemorrhage in the contralateral subthalamic nucleus

Question 9

myoclonus?

Answer 9

suddne involuntary jerking of single muscle or group of muscles cause by epilepsy or metabolic disorder

Question 10

tics?

Answer 10

repeated, stereotypes jerky movement of face neck and trunk may suppresse by patient for a while, like grimacing, shoulder shrugging, sniffing

Question 11

define dystonia?

Answer 11

sustained abnormal posture produced by contraction of large trunk muscle and limb muscles

Question 12

types of dystonia?

Answer 12

idiopathic torsion dystonia

spasmodic torticollis