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 (ā′kə-nē′zhə, -kī-)
Loss of normal motor function, resulting in impaired muscle movement.

[Greek akinēsiā : a-, without; see a-1 + kīnēsis, motion; see -kinesis.]

a′ki·net′ic (-nĕt′ĭk) adj.


(ˌeɪkɪˈniːzɪə) or


the loss of the ability to move, caused by diseases of the central nervous system
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.akinesia - motionlessness attributable to a temporary paralysisakinesia - motionlessness attributable to a temporary paralysis
palsy, paralysis - loss of the ability to move a body part
References in periodicals archive ?
Parkinson's disease is characterized by symptoms such as postural instability, akinesia, and bradykinesia among others.
Arciniegas and Anderson mentioned that the decrease in suicide attempts in people with PD may be related to the effects of bradykinesia, akinesia, bradyphrenia, and apathy.
Parkinson's disease is the second-most common chronic and progressive neurodegenerative disorder featuring the cardinal symptoms of postural instability, bradykinesia, akinesia and tremors due to loss of dopamine producing neurons in substantia nigra of the mid-brain.
2012b) documented multiple motor abnormalities on average 6-8 years prior to PD diagnosis, including voice and face akinesia, rigidity, abnormal gait, limb bradykinesia.
Physical signs: early primitive reflexes and incontinence; late akinesia, rigidity and tremor.
Two-dimensional transthoracic echocardiography (TTE) showed akinesia of the anterior, septal and apical segments with apical thrombus (1.
This is illustrated by Parkinson's disease, whose symptoms -- akinesia and other movement disorders -- can be traced back to a lack of dopamine.
2]) * Fractional area change <33% By MRI: * Regional RV akinesia or dyskinesia or dyssynchronous RV contraction AND one of the following: * Ratio of RV end-diastolic volume to BSA: [greater than or equal to] 110 mL/[m.
The clinical diagnosis of Parkinson disease (PD) relies heavily on the presence of akinesia or bradykinesia, plus one or more of the other core features such as tremor, rigidity, and postural instability [1].
Antipsychotic medications can cause a variety of effects on the nervous system, including parkinsonism, akinesia (a state of reduced spontaneous mobility combined with extreme apathy), and akathisia (a state of constant agitation and involuntary movement).
14,15) In some studies, inclusion of hyaluronidase increases globe and lid akinesia, which may improve the safety of the procedure.