Movement Disorder

Question 1

Akinesia

Answer 1

• absence, poverty, or loss of control of voluntary muscle movements. This is seen in severe Parkinson’s disease.

Question 2

Bradykinesia

Answer 2

slowness of movement, core symptom in Parkinson’s disease along with tremor and rigidity.

Question 3

Athetosis

Answer 3

continuous stream of slow, flowing, writhing involuntary movements.

Question 4

Chorea

Answer 4

brief, quasi-purposeful, irregular contractions that are not repetitive or rhythmic, but appear to flow from one muscle to the next.

Question 5

Dyskinesia

Answer 5

• general term referring to problems with voluntary movements and the presence of involuntary movements.

Question 6

Myoclonus

Answer 6

Sudden involuntary jerks of a muscle or a muscle group. These are not suppressible.

Question 7

Parkinsonism

Answer 7

syndrome characterized by tremor, rigidity, and bradykinesia.

Question 8

Tic

Answer 8

sudden, repetitive, non rhythmic, stereotyped motor movement or vocalization involving discrete muscle groups. These are different to myoclonus as they are suppressible.

Question 9

Hemiballismus

Answer 9

repetitive, but constantly varying, large amplitude involuntary movements of the proximal parts of the limbs