vocab/terms to know

Question 1

Ataxia:

Answer 1

Ataxia: lack of coordination during voluntary movement (appears as clumsiness, inaccuracy, instability) movements are not smooth/jerky

Question 2

Chorea:

Answer 2

Chorea: Brief purposeless involuntary movement of distal extremities and face. Over activity in Basal Ganglia

Question 3

Dyskinesias:

Answer 3

Dyskinesias: involuntary non repetitive movement affecting distal proximal and axial musculature in varying combinations. Associated with basal ganglia disorders.

Question 4

Dystonia:

Answer 4

Dystonia: sustained abnormal posture and disruptions of ongoing movements resulting from alterations of muscle tone

Question 5

Hemiballismus:

Answer 5

Hemiballismus: involuntary flinging motions of the extremities, often violent and wide amplitudes of motion. Continuous and random and involve proximal or distal muscles on one side of the body

Question 6

Myoclonus

Answer 6

Myoclonus: brief rapid contraction of muscle or group of muscles

Question 7

Tics

Answer 7

Tics: brief rapid involuntary movements often resembling fragments of normal behavior. Repetitive but not rhythmic

Question 8

Tremor

Answer 8

Tremor: rhythmic alternating oscillatory movements produced by repetitive patterns of mm contraction and relaxation. Classified by occurrence either while resting (resting tremor) or during activity (Action or intention tremor)