Term used to describe a condition where people experience spasms that can be accompanied by muscle stiffness. Spasms are spontaneous, uncontrolled, exaggerated muscle contractions that can result in uncontrolled jerky movement.

spasticity involving partial paralysis

(upper motor neuron paralysis) . Paralysis with the following characteristics: distal muscles more affected than proximal muscles. muscles respond abnormally to passive stretching. muscle stretch reflexes are exaggerated. abnormal reflexes (like an abnormal Babinski reflex) are present.

a loss or deficiency of motor control with involuntary spasms caused by permanent brain damage present at birth

Paralysis coinciding with steady and prolonged involuntary contraction of the muscles contracted.

Weakness of a limb or limbs associated with increased reflex activity.