Postural Instability: Causes & Reasons

Possible Causes for Postural Instability

Greater knowledge of postural control is essential to understand postural instability in PD. [ncbi.nlm.nih.gov]

CONCLUSION: Our results indicate that patients with early PD have subtle signs of postural instability when their attention is diverted or reduced. [ncbi.nlm.nih.gov]

KEYWORDS: Parkinson’s disease; local field potentials; microelectrode recordings; postural instability and gait difficulty; tremor dominant [ncbi.nlm.nih.gov]

Pallidopyramidal Syndrome

Clinical manifestations include tremor, bradykinesia, rigidity, postural instability, spasticity, mainly in the lower limbs, and hyperreflexia. [malacards.org]

Juvenile Paralysis Agitans of Hunt

instability). [icdlist.com]

Another disorder in which a resting tremor is one of the main symptoms, accompanied by slowness and poverty of movement, muscular rigidity, and postural instability is Parkinson's [encyclopedia2.thefreedictionary.com]

instability or impaired balance and coordination *from Parkinson's Disease Foundation What is Parkinson's Disease? [rosevillepsg.weebly.com]

Adult-Onset Dystonia - Parkinsonism

Parkinsonism refers to all clinical states characterized by tremor, muscle rigidity, slowed movement (bradykinesia) and often postural instability. [ncbi.nlm.nih.gov]

Symptoms worsen over time and include resting tremor, muscular rigidity, bradykinesia [abnormal slowness of movement], and postural instability [impaired balance and coordination [flybase.org]

Hoehn and Yahr Scale I: Unilateral disease II: Bilateral disease III: Postural instability—mild IV: Postural instability—marked V: No independent ambulation An algorithm has [clevelandclinicmeded.com]

Dementia with Lewy Bodies

Postural instability and bradykinesia is noted on physical exam. [medbullets.com]

Supportive clinical features include sensitivity to antipsychotic agents, postural instability and falls, syncope, autonomic dysfunction, delusions and non-visual hallucinations [bestpractice.bmj.com]

PSP usually causes predominantly supranuclear vertical gaze palsy and early postural instability with falls, less commonly parkinsonism (PSP-P) or frontotemporal dementia [ncbi.nlm.nih.gov]

Machado-Joseph Disease

We report a patient presenting at age 16 years with postural instability and falls who developed severe generalized dystonia by the age of 20 years. [ncbi.nlm.nih.gov]

Postural instability is often an early feature. We discuss the distinction of this entity from the olivopontocerebellar atrophies. [ncbi.nlm.nih.gov]

Clinical features include progressive ataxia, DYSARTHRIA, postural instability, nystagmus, eyelid retraction, and facial FASCICULATIONS. [hon.ch]

Parkinson Disease Type 19A

[…] limitation of vertical gaze OR a hx of prominent postural instability and falls in the first year of onset 28 CORTICAL BASAL DEGENERATION Clinical Features Prevalence of [slideplayer.com]

instability, as well as by a clinically significant response to treatment with levodopa. [ghr.nlm.nih.gov]

instability, rigidity, involuntary movements, dysarthria, supranuclear gaze, hypomimia, gait impairment, and myoclonic jerks). [orpha.net]

Parkinsonism

However, prior studies have examined parkinsonism (defined as having bradykinesia with at least rest tremor or postural instability) mostly in premutation carriers without [ucdavis.pure.elsevier.com]

In the early stage of the disease, eye movements are normal and postural instability is not seen. [orpha.net]

She had no postural instability or gait abnormality. Physical examination was normal. Liver function and cupric tests were normal. [hindawi.com]

Parkinson Disease Type 2

A group of disorders which feature impaired motor control characterized by bradykinesia, muscle rigidity; tremor; and postural instability. [monarchinitiative.org]

[…] direction, and the number of balance correcting steps (or total absence thereof) is used to rate the degree of postural instability. [ncbi.nlm.nih.gov]

Other characteristic symptoms of Parkinson's disease include rigidity, or stiffness of the limbs and trunk, bradykinesia, akinesia and postural instability. [ivami.com]

Parkinson Disease Type 20

Definition An early-onset form of Parkinson disease, a complex neurodegenerative disorder characterized by bradykinesia, resting tremor, muscular rigidity and postural instability [uniprot.org]

[…] direction, and the number of balance correcting steps (or total absence thereof) is used to rate the degree of postural instability. [ncbi.nlm.nih.gov]

It causes motor dysfunctions, such as bradykinesia, resting tremor, rigidity and postural instability. [clinicaltrials.gov]

Kufor-Rakeb Syndrome

Keywords: Parkinson’s disease, postural control, postural instability, retropulsion test, falls INTRODUCTION OF THE CLINICAL DILEMMA Postural instability is a common and disabling [journalofparkinsonsdisease.com]

Postural instability/gait disturbance in Parkinson's disease has distinct subtypes:an exploratory analysis[J]. [html.rhhz.net]

instability Akinesia Hypokinesia Paraparesis Anarthria Parkinsonism with favorable response to dopaminergic medication ... ... [familydiagnosis.com]

Parkinson Disease Type 1

instability. [genecards.org]

Postural instability Impaired balance and the tendency to fall without explanation, usually when pivoting; a common symptom in the later stages of Parkinson’s. or impaired [parkinson.org]

Postural instability: Impaired or lost reflexes can make it difficult to adjust posture to maintain balance. Postural instability may lead to falls. [medicinenet.com]

Cirrhosis-Dystonia-Polycythemia-Hypermanganesemia Syndrome

instability). [ghr.nlm.nih.gov]

instability, supranuclear gaze palsy and frontal dementia. [publicationslist.org]

instability without evidence of tremor, dystonia, or cerebellar or pyramidal disturbances. [ncbi.nlm.nih.gov]

Spinocerebellar Ataxia Type 2

instability not caused by primary visual, vestibular, cerebellar or proprioceptive dysfunction Step 2 Exclusion criteria for Parkinson's disease... ‏ [books.google.com]

instability not caused by primary visual, vestibular, cerebellar or proprioceptive dysfunction Step 2 Exclusion criteria for Parkinson's disease... ‎ [books.google.de]

instability Balance impairment 0002172 Rigidity Muscle rigidity 0002063 Rod-cone dystrophy 0000510 Spasticity Involuntary muscle stiffness, contraction, or spasm 0001257 [rarediseases.info.nih.gov]

Idiopathic Basal Ganglia Calcification

The most common characteristics are rest tremor, absence of voluntary movement, muscular rigidity, posture instability, etc. [lifepersona.com]

Improving Postural Instability Instruct patient in correct sitting posture, using appropriate vertical cuing such as lines on the wall, and the clinician exhibiting appropriate [physio-pedia.com]

X-Linked Parkinsonism with Spasticity

Postural instability (not caused by primary visual, vestibular, cerebellar, or proprioceptive dysfunction) 4. Tremor (postural, resting or both)  B. [slideshare.net]

The parkinsonian features of x-linked dystonia parkinsonism include festinating gait, bradykinesia, blepharospasm, and postural instability. [en.wikipedia.org]

instability or impaired balance and coordination People with YOPD may experience the same non-motor symptoms as others with PD, including: Depression Sleep disturbances Changes [parkinson.org]

Secondary Parkinsonism

Hoehn and Yahr Scale- Evaluation based on postural instability 3. [slideshare.net]

Recurrent falls PD causes postural instability and recurrent falls. Recurrent falls PD causes postural instability and recurrent falls. [medicaljoyworks.com]

These include slowness (bradykinesia), stiffness (rigidity), tremor and imbalance (postural instability). [parkinson.org]

Progressive Supranuclear Palsy

Postural instability and supranuclear gaze palsy represent the key symptoms of Richardson's syndrome, the most frequent clinical manifestation of progressive supranuclear [ncbi.nlm.nih.gov]

The mechanisms underlying backward postural instability in PSP are not understood. [ncbi.nlm.nih.gov]

She had a 3-week history of postural instability and gait disturbance. [ncbi.nlm.nih.gov]

Bradykinesia

The early and delayed heart to mediastinum ratios were analyzed according to the dominant motor deficit (tremor, bradykinesia, rigidity, and postural instability), age, sex [ncbi.nlm.nih.gov]

among other symptoms. • Parkinsonism or Parkinsonian-like conditions (e.g., cogwheel rigidity, bradykinesia, postural instability), or A microprocessor (46) is connected [glosbe.com]

BACKGROUND: Bradykinesia (slow movements) is a common symptom of Parkinson's disease (PD) and results in reduced mobility and postural instability. [ncbi.nlm.nih.gov]

Classic Progressive Supranuclear Palsy Syndrome

PSP-corticobasal syndrome (PSP-CBS) is characterized by progressive, asymmetric dyspraxia, limb rigidity, bradykinesia and progressive postural instability. [orpha.net]

No No No Yes (Rest) Early falls Yes No No Sometimes Sometimes No Early postural instability Yes No Yes No Early cognitive decline Often No No No Yes No Early eye movement [movementdisorders.org]

There are eight main clinical subtypes [ 1 ] : Richardson's syndrome (PSP-RS): prominent postural instability, supranuclear vertical gaze palsy and frontal dysfunction. [patient.info]

Motion Sickness

KEYWORDS: Motion sickness; Postural instability; Virtual reality [ncbi.nlm.nih.gov]

The second theory - the postural instability theory - states that motion sickness comes about not through sensory conflict, but through an inability to control one's posture [ncbi.nlm.nih.gov]

Postural Instability Theory The postural instability theory elaborates more on which experiences will cause a mismatch between simulated and real motions or how severe the [uxplanet.org]

Familial Progressive Vestibulocochlear Dysfunction

For postural instability, physical therapy can help prevent falls, improve mobility, and provide adequate walking support when necessary. [eyewiki.aao.org]

In addition, vestibular suppressant medications are often given, increasing postural instability and further compounding the situation. [migraine.ie]

However, due to postural instability that occurs as a result of the disease, the balance system is even further at risk with even slight vestibular abnormalities. [movementdisorders.ufhealth.org]

Striatonigral Degeneration

[…] appearance of the following symptoms and signs: (a) severe and atypical progressive parkinsonism characterized by bilateral bradykinesia and rigidity, slowness of gait, postural [ncbi.nlm.nih.gov]

instability. [brainsupportnetwork.org]

Clinical features include progressive ataxia, DYSARTHRIA, postural instability, nystagmus, eyelid retraction, and facial FASCICULATIONS. [hon.ch]

Extrapyramidal Disorder

Affectation of which may result in bradykinesia or slow movements, lead-pipe rigidity, postural instability, mask like face, shuffling gait and resting tremor that are similar [healthfoxx.com]

Symptoms include muscle rigidity, a tremor that occurs when the patient is at rest, slowed movement, and postural instability. [livestrong.com]

instability With the patient facing away from you and having explained what you are about to do, pull back hard on their shoulder so as to unbalance them. [fastbleep.com]

Postencephalitic Parkinson Disease

Symptoms and course Bradykinesia, rigidity, hypomimia, postural instability, gait disorders with falls and sialorrhea. Ophthalmoplegia and oculogyric crises. [alzheimer-europe.org]

Postural instability. Poor posture and balance that may cause falls; gait or balance problems. Are there other symptoms of PD? [columbianeurology.org]

Postural instability is often a late manifestation, and dementia is also frequently encountered in patients with advanced disease. [thebigl.co]

Shy-Drager Syndrome

A previously healthy 60 years old female patient presented with bradykinesia, postural instability and increased rigidity of both upper and lower limbs for 2 years and was [ncbi.nlm.nih.gov]

instability) with additional features that distinguish them from simple idiopathic… … Wikipedia Liste Des Maladies Rares — Liste des maladies commençant par une lettre Mise [fr-academic.com]

They include rigidity, bradykinesia, postural instability, and jerky postural tremor. High-pitched, quavering dysarthria is common. [merckmanuals.com]

Spinocerebellar Ataxia Type 10

Clinical features include progressive ataxia, DYSARTHRIA, postural instability, nystagmus, eyelid retraction, and facial FASCICULATIONS. [hon.ch]

instability Balance impairment 0002172 Truncal ataxia Instability or lack of coordination of central trunk muscles 0002078 Urinary incontinence Loss of bladder control 0000020 [rarediseases.info.nih.gov]

[…] reflexes [ more ] 0001265 Impaired vibration sensation at ankles Decreased vibration sense at ankles Decreased vibration sense in feet [ more ] 0006938 Limb ataxia 0002070 Postural [rarediseases.info.nih.gov]

Beta-Propeller Protein-Associated Neurodegeneration

Parkinsonism can include unusually slow movement (bradykinesia), rigidity, tremors, an inability to hold the body upright and balanced (postural instability), and a shuffling [elbiruniblogspotcom.blogspot.no]

Parkinsonism (symptoms similar to Parkinson’s disease) Typically does not start until young adulthood Tremors (shaking) Bradykinesia (slow movements) Rigidity (stiffness) Postural [nbiacure.org]

instability (loss of balance that causes unsteadiness) Other muscle problems Dystonia (involuntary muscle contraction and spasms) Gait freezing (freezing while walking) Spasticity [nbiacure.org]

Spinocerebellar Ataxia Type 14

Clinical features include progressive ataxia, DYSARTHRIA, postural instability, nystagmus, eyelid retraction, and facial FASCICULATIONS. [hon.ch]

instability [4] Dysarthria [4] Nystagmus [4] Eyelid retraction [4] Facial fasciculations [4] Problems swallowing [4] Parkinsonism [10] Dystonia [10] Other: Verbal fluency [physio-pedia.com]

MJD based on time of onset, progression, and severity of symptoms [9] [10] Other core signs of MJD include: Physical: Ataxia (normally the first symptom to develop) [10] Postural [physio-pedia.com]

Hereditary Cerebellar Degeneration

Vestibulo-cerebellar dysfunction presents with postural instability, in which the person tends to separate the feet on standing to gain a wider base, and avoid oscillations [psychology.wikia.com]

Postural instability becomes worse in poorly lit environments. If a doctor asks the patient to stand with eyes closed and feet together, their instability will worsen. [medicalnewstoday.com]

This presents itself with postural instability, in which the person tends to separate his/her feet upon standing, to gain a wider base and to avoid titubation (bodily oscillations [en.wikipedia.org]