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Journal articles on the topic 'Postural tremor'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Dirkx, Michiel F., Heidemarie Zach, Bastiaan R. Bloem, Mark Hallett, and Rick C. Helmich. "The nature of postural tremor in Parkinson disease." Neurology 90, no. 13 (February 23, 2018): e1095-e1103. http://dx.doi.org/10.1212/wnl.0000000000005215.

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ObjectiveTo disentangle the different forms of postural tremors in Parkinson disease (PD).MethodsIn this combined observational and intervention study, we measured resting and postural tremor characteristics in 73 patients with tremulous PD by using EMG of forearm muscles. Patients were measured both “off” medication (overnight withdrawal) and after dispersible levodopa-benserazide 200/50 mg. We performed an automated 2-step cluster analysis on 3 postural tremor characteristics: the frequency difference with resting tremor, the degree of tremor suppression after posturing, and the dopamine res

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Samsonova, T. V., S. B. Nazarov, A. A. Chistyakova, and Yu A. Ryl'skaya. "Postural tremor in children with motor development disorders in their first twelve months of life." Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics) 66, no. 5 (December 8, 2021): 56–59. http://dx.doi.org/10.21508/1027-4065-2021-66-5-56-59.

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At the first year of a child’s life begins a gradual transition to verticalization through the sequential development of anti-gravity postures. During the maintain of these poses occurs the active muscle contraction and appears a postural tremor.Purpose: To identify the features of postural tremor while holding the first antigravity postures in children with motor development disorders and to develop a new method for its diagnosing in children in the first six months of life. During the first year of life, the child gradually moves to verticalization through the sequential development of anti-

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3

Lukšys, Donatas, Gintaras Jonaitis, and Julius Griškevičius. "Quantitative Analysis of Parkinsonian Tremor in a Clinical Setting Using Inertial Measurement Units." Parkinson's Disease 2018 (June 21, 2018): 1–7. http://dx.doi.org/10.1155/2018/1683831.

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Background. Parkinson’s disease (PD) is a neurodegenerative disorder that affects human voluntary movements. Tremor is one of the most common symptoms of PD and is expressed as involuntary oscillation of the body. Tremors can be analysed in the frequency domain. Objective. The aim of the current study was to examine selected tremor parameters (frequency, root mean square, and approximated entropy) in order to quantify the characteristics of patients diagnosed with PD, compared to a healthy control group, and to compare the parameters by dividing the subjects according to UPDRS assessment. Meth

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Obwegeser, Alois A., Ryan J. Uitti, Robert J. Witte, John A. Lucas, Margaret F. Turk, and Robert E. Wharen. "Quantitative and Qualitative Outcome Measures after Thalamic Deep Brain Stimulation to Treat Disabling Tremors." Neurosurgery 48, no. 2 (February 1, 2001): 274–84. http://dx.doi.org/10.1097/00006123-200102000-00004.

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Abstract OBJECTIVE We studied outcome measures after unilateral and bilateral thalamic stimulation to treat disabling tremor resulting from essential tremor and Parkinson's disease. The surgical technique, qualitative and quantitative tremor assessments, stimulation parameters, locations of active electrodes, complications, and side effects are described and analyzed. METHODS Forty-one patients with essential tremor or Parkinson's disease underwent implantation of 56 thalamic stimulators. Preoperative qualitative and quantitative tremor measurements were compared with those obtained after unil

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Md Zain, Mohd Zarhamdy, Ali Zolfagharian, Moslem Mohammadi, Mahdi Bodaghi, Abd Rahim Abu Bakar, and Abbas Z. Kouzani. "A Portable Non-Contact Tremor Vibration Measurement and Classification Apparatus." Actuators 11, no. 1 (January 17, 2022): 26. http://dx.doi.org/10.3390/act11010026.

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Tremors are the most common type of movement disorder and affect the lives of those experiencing them. The efficacy of tremor therapies varies according to the aetiology of the tremor and its correct diagnosis. This study develops a portable measurement device capable of non-contact measurement of the tremor, which could assist in tremor diagnosis and classification. The performance of this device was assessed through a validation process using a shaker at a controlled frequency to measure human tremors, and the device was able to measure vibrations of 50 Hz accurately, which is more than twic

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Sturman, Molly M., David E. Vaillancourt, and Daniel M. Corcos. "Effects of Aging on the Regularity of Physiological Tremor." Journal of Neurophysiology 93, no. 6 (June 2005): 3064–74. http://dx.doi.org/10.1152/jn.01218.2004.

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The purpose of this investigation was to determine the effects of healthy aging on the regularity of physiological tremor under rest and postural conditions. Additionally, we examined the contribution of mechanical reflex factors to age-related changes in postural physiological tremor. Tremor regularity, tremor–electromyographic (EMG) coherence, tremor amplitude, and tremor modal frequency were calculated for 4 age groups (young: 20–30 yr, young-old: 60–69 yr, old: 70–79 yr, and old-old: 80–94 yr) under resting and loaded postural conditions. There were 6 important findings from this study: 1)

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DELEU, D. "Toluene induced postural tremor." Journal of Neurology, Neurosurgery & Psychiatry 68, no. 1 (January 1, 2000): 118. http://dx.doi.org/10.1136/jnnp.68.1.118.

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8

Brown, P., J. C. Rothwell, J. M. Stevens, A. J. Lees, and C. D. Marsden. "Cerebellar axial postural tremor." Movement Disorders 12, no. 6 (November 1997): 977–84. http://dx.doi.org/10.1002/mds.870120622.

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Luft, Frauke, Sarvi Sharifi, Winfred Mugge, Alfred C. Schouten, Lo J. Bour, Anne-Fleur van Rootselaar, Peter H. Veltink, and Tijtske Heida. "A Power Spectral Density-Based Method to Detect Tremor and Tremor Intermittency in Movement Disorders." Sensors 19, no. 19 (October 4, 2019): 4301. http://dx.doi.org/10.3390/s19194301.

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There is no objective gold standard to detect tremors. This concerns not only the choice of the algorithm and sensors, but methods are often designed to detect tremors in one specific group of patients during the performance of a specific task. Therefore, the aim of this study is twofold. First, an objective quantitative method to detect tremor windows (TWs) in accelerometer and electromyography recordings is introduced. Second, the tremor stability index (TSI) is determined to indicate the advantage of detecting TWs prior to analysis. Ten Parkinson’s disease (PD) patients, ten essential tremo

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Romanelli, Pantaleo, Helen Bronté-Stewart, Tracy Courtney, and Gary Heit. "Possible necessity for deep brain stimulation of both the ventralis intermedius and subthalamic nuclei to resolve Holmes tremor." Journal of Neurosurgery 99, no. 3 (September 2003): 566–71. http://dx.doi.org/10.3171/jns.2003.99.3.0566.

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✓ Holmes tremor is characterized by resting, postural, and intention tremor. Deep brain stimulation (DBS) of both the nucleus ventralis intermedius (Vim) and the subthalamic nucleus (STN) may be required to control these three tremor components. A 79-year-old man presented with a long-standing combination of resting, postural, and intention tremor, which was associated with severe disability and was resistant to medical treatment. Neuroimaging studies failed to reveal areas of discrete brain damage. A DBS device was placed in the Vim and produced an improvement in both the intention and postur

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Raihan, Md Zahid, and Tipu Zahed Aziz. "Deep Brain Stimulation in Sub-Thalamic Nucleus in idiopathic Parkinson’s disease – our initial experience in four cases." Bangladesh Journal of Neurosurgery 9, no. 1 (August 30, 2019): 78–83. http://dx.doi.org/10.3329/bjns.v9i1.42931.

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Parkinson’s Disease ( PD ) is a chronic neurodegenerative disease . It’s cardinal features are resting tremor, Rigidity, Akinesia and postural instability. Idiopathic Parkinson’s disease develops mainly due to degeneration of Dopaminergic neurons of Substantia Nigra. The role of Subthalamic Nucleus ( STN ) in the development of Parkinsonian Tremmor and other cardinal features is not completely understood yet. However previous studies in monkeys , administration of MPTP ( 1-methyl-4-phenyl- 1.2.3.6.-tetrahydropyridine ) proved that sub thalamic nucleus has a direct role in the development of Pa

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Ferraz, Henrique B., Luiz Augusto Franco de Andrade, Sônia M. C. Azevedo Silva, Vanderci Borges, and Maria Sheila G. Rocha. "Tremor postural e distonia: aspectos clínicos e considerações fisiopatológicas." Arquivos de Neuro-Psiquiatria 52, no. 4 (December 1994): 466–70. http://dx.doi.org/10.1590/s0004-282x1994000400002.

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A presença de tremor e distonia de torção no mesmo paciente é frequente mas não há uma explicação satisfatória para isso. Suspeita-se que haja uma associação da distonia idiopática (DI) com o tremor essencial (TE). O objetivo deste estudo é analisar a frequência de tremor postural das mãos em pacientes com DI e distonia sintomática (DS). Foram estudados os prontuários de 185 pacientes com o diagnóstico sindrômico de distonia atendidos no Setor de Investigação em Moléstias Extrapiramidais da Escola Paulista de Medicina. DI foi diagnosticada quando não havia anormalidade no exame neurológico alé

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Soler, Rafael, Francisco Vivancos, Juan José Muñoz-Torrero, Javier Arpa, and Pablo Barreiro. "Postural Tremor after Thalamic Infarction." European Neurology 42, no. 3 (1999): 180–81. http://dx.doi.org/10.1159/000008096.

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Henderson, J. M., C. Yiannikas, J. G. L. Morris, R. Einstein, D. Jackson та K. Byth. "Postural Tremor of Parkinsonʼs Disease". Clinical Neuropharmacology 17, № 3 (червень 1994): 277–85. http://dx.doi.org/10.1097/00002826-199406000-00007.

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15

Arbaizar, Beatriz, Inés Gómez-Acebo, and Javier Llorca. "Postural induced-tremor in psychiatry." Psychiatry and Clinical Neurosciences 62, no. 6 (December 2008): 638–45. http://dx.doi.org/10.1111/j.1440-1819.2008.01877.x.

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Lee, Haneul, and Jerrold Petrofsky. "Differences Between Men and Women in Balance and Tremor in Relation to Plantar Fascia Laxity During the Menstrual Cycle." Journal of Athletic Training 53, no. 3 (March 1, 2018): 255–61. http://dx.doi.org/10.4085/1062-6050-2-17.

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Context: Although much attention has been paid to the effect of estrogen on the knee ligaments, little has been done to examine the ligaments in the foot, such as the plantar fascia, and how they may be altered during the menstrual cycle. Objective: To (1) examine sex differences in plantar fascia thickness and laxity and postural sway and (2) identify any menstrual cycle effects on plantar fascia laxity, postural sway, and neuromuscular tremor between menstruation and the ovulation phase. Design: Case-control study. Setting: Research laboratory. Patients or Other Participants: Fifteen healthy

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Budini, Francesco, Luciana Labanca, Michael Scholz, and Andrea Macaluso. "Tremor, finger and hand dexterity and force steadiness, do not change after mental fatigue in healthy humans." PLOS ONE 17, no. 8 (August 10, 2022): e0272033. http://dx.doi.org/10.1371/journal.pone.0272033.

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The effects of mental fatigue have been studied in relation to specific percentages of maximal aerobic or anaerobic efforts, maximal voluntary contractions or the performance of sport specific skills. However, its effects on tremor, dexterity and force steadiness have been only marginally explored. The present work aimed at filling this gap. In twenty-nine young individuals, measurement of postural, kinetic and isometric tremor, pinch force steadiness and finger and hand dexterity were performed before and after either 100 min of mental fatigue or control tasks. During the interventions blood

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18

Makhoul, Karim, Rechdi Ahdab, Naji Riachi, Moussa A. Chalah, and Samar S. Ayache. "Tremor in Multiple Sclerosis—An Overview and Future Perspectives." Brain Sciences 10, no. 10 (October 12, 2020): 722. http://dx.doi.org/10.3390/brainsci10100722.

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Tremor is an important and common symptom in patients with multiple sclerosis (MS). It constituted one of the three core features of MS triad described by Charcot in the last century. Tremor could have a drastic impact on patients’ quality of life. This paper provides an overview of tremor in MS and future perspectives with a particular emphasis on its epidemiology (prevalence: 25–58%), clinical characteristics (i.e., large amplitude 2.5–7 Hz predominantly postural or intention tremor vs. exaggerated physiological tremor vs. pseudo-rhythmic activity arising from cerebellar dysfunction vs. psyc

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Bast-Pettersen, Rita, Karl-Christian Nordby, Gunilla Wastensson, and Lisa Aarhus. "Tremor measurements in a 22-year cohort study of workers exposed to hand-held vibrating tools." International Archives of Occupational and Environmental Health 94, no. 5 (February 19, 2021): 1049–59. http://dx.doi.org/10.1007/s00420-020-01612-8.

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Abstract Objectives The objectives of this cohort study were to evaluate possible long-term effects of occupational exposure to hand-arm vibration (HAV) in terms of increased tremor. The aims were to evaluate whether exposure during follow-up, baseline hand-arm vibration syndrome (HAVS), baseline manual dexterity or current medical conditions or life-style habits might be associated with increased tremor. A further aim was to compare two different activation conditions: postural vs rest tremor. Methods Forty men (current age: 60.4 years) who had previously worked as manual workers in a special

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Fekete, Robert, and Jin Li. "Clinical Differentiation of Essential Tremor and Parkinson's Disease." Clinical Medicine Insights: Case Reports 6 (January 2013): CCRep.S11903. http://dx.doi.org/10.4137/ccrep.s11903.

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We present clinical features and tremor characterization in a patient with Parkinson's disease (PD) as well as in two cases of essential tremor (ET) with some parkinsonian features but no evidence of dopaminergic terminal loss on 123I-FP-CIT Single Photon Emission Computed Tomography (SPECT). Relatively slow frequency rest tremor and bilateral upper extremity bradykinesia without decrementing amplitude were observed in the ET cases, with unilaterally decreased arm swing in case 3. Alternating rest tremor and re-emergent tremor with 13 second latency was confirmed in the PD case. Re-emergent tr

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Jain, Samay, Seo-Young Park, and Diane Comer. "Patterns of Motor and Non-Motor Features in Medication-Naïve Parkinsonism." Neuroepidemiology 45, no. 1 (2015): 59–69. http://dx.doi.org/10.1159/000437228.

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Background: Parkinsonism is defined by motor features (tremor, bradykinesia, rigidity, and postural instability). Accompanying non-motor features (e.g. cognitive, autonomic, sleep disturbances) are underrecognized and undertreated. We hypothesized that clinical patterns occurring in early, medication-naïve Parkinsonism are distinguished by features such as tremor, sleep, autonomic, and cognitive dysfunction. Methods: Clinical and neuroimaging data were obtained in the Parkinson's Progression Marker Initiative. Group comparisons of Parkinsonism with dopaminergic deficits (PDD) (n = 388), contro

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Ahlskog, M. C., K. A. Josephs, J. H. Bower, and J. E. Ahlskog. "P1.204 Combined resting–postural tremor – a variant of essential tremor." Parkinsonism & Related Disorders 15 (December 2009): S81. http://dx.doi.org/10.1016/s1353-8020(09)70326-8.

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Morishita, Takashi, Kelly D. Foote, Samuel S. Wu, Charles E. Jacobson, Ramon L. Rodriguez, Ihtsham U. Haq, Mustafa S. Siddiqui, Irene A. Malaty, Christopher J. Hass, and Michael S. Okun. "Brain penetration effects of microelectrodes and deep brain stimulation leads in ventral intermediate nucleus stimulation for essential tremor." Journal of Neurosurgery 112, no. 3 (March 2010): 491–96. http://dx.doi.org/10.3171/2009.7.jns09150.

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Object Microelectrode recording (MER) and macrostimulation (test stimulation) are used to refine the optimal deep brain stimulation (DBS) lead placement within the operative setting. It is well known that there can be a microlesion effect with microelectrode trajectories and DBS insertion. The aim of this study was to determine the impact of intraoperative MER and lead placement on tremor severity in a cohort of patients with essential tremor. Methods Consecutive patients with essential tremor undergoing unilateral DBS (ventral intermediate nucleus stimulation) for medication-refractory tremor

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Bourgeois, Frédéric, Nicola Pambakian, Jérôme Coste, Ijsbrand de Lange, Jean-Jacques Lemaire, Erik Schkommodau, and Simone Hemm. "An online movement and tremor identification algorithm for evaluation during deep brain stimulation." Current Directions in Biomedical Engineering 8, no. 2 (August 1, 2022): 105–8. http://dx.doi.org/10.1515/cdbme-2022-1028.

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Abstract INTRODUCTION: Deep brain stimulation (DBS) is widely used to alleviate symptoms of movement disorders. During intraoperative stimulation the influence of active or passive movements on the neuronal activity is often evaluated but the evaluation remains mostly subjective. The objective of this paper is to investigate the potential of a previously developed Weighted-frequency Fourier Linear combiner and Kalman filter-based recursive algorithm to identify tremor phases and types. METHODS: Ten accelerometer recordings from eight patients were acquired during DBS from which 186 phases were

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Smeja, M., F. Foerster, G. Fuchs, D. Emmans, A. Hornig, and J. Fahrenberg. "24-h Assessment of Tremor Activity and Posture in Parkinson's Disease by Multi-Channel Accelerometry." Journal of Psychophysiology 13, no. 4 (October 1999): 245–56. http://dx.doi.org/10.1027//0269-8803.13.4.245.

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Abstract This study describes a new method, based on accelerometry, which quantifies tremor activity and posture continuously. A total of 25 right-handed patients with Parkinson's disease were recorded in a rest condition and in a postural tremor test, and during 24-h ambulatory monitoring. The tremor parameters, such as amplitude, frequency, and occurrence (percent of time), were derived by joint amplitude-frequency analysis. The DC components of multi-channel accelerometry allowed the detection of posture. A repeated measurement MANOVA was used to test the effects of posture and night-day di

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Gautschi, OliverP, Dieter Cadosch, and Rene Zellweger. "Postural tremor induced by paint sniffing." Neurology India 55, no. 4 (2007): 393. http://dx.doi.org/10.4103/0028-3886.37099.

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Deuschl, G. "W53 Neurophysiological aspects of postural tremor." Electroencephalography and Clinical Neurophysiology 99, no. 4 (October 1996): 387. http://dx.doi.org/10.1016/0013-4694(96)88667-6.

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Kobylecki, Christopher, Andrew G. Marshall, Anoop Varma, Mark W. Kellett, Jeremy P. R. Dick, and Monty A. Silverdale. "Topiramate-responsive cerebellar axial postural tremor." Movement Disorders 23, no. 8 (June 15, 2008): 1189–91. http://dx.doi.org/10.1002/mds.22068.

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Schneider, Susanne A., and Peter G. Bain. "The Wilson films - Bilateral postural tremor." Movement Disorders 26, no. 14 (September 2, 2011): 2462–63. http://dx.doi.org/10.1002/mds.23927.

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Berk, Caglar, and Christopher R. Honey. "Bilateral thalamic deep brain stimulation for the treatment of head tremor." Journal of Neurosurgery 96, no. 3 (March 2002): 615–18. http://dx.doi.org/10.3171/jns.2002.96.3.0615.

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✓ Isolated head tremor is rare, but can be disabling. The authors' experience with the treatment of limb tremor due to essential tremor led them to consider using bilateral thalamic deep brain stimulation (DBS) in two patients presenting only with disabling head tremor. One patient exhibited no peripheral tremor and the other displayed only a slight upper-limb tremor. Both patients underwent placement of units that apply simultaneous bilateral thalamic DBS. Surgical targets were verified by using intraoperative macrostimulation, and the stimulators were implanted during the same surgery. Patie

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Morrison, Steven, Justin J. Kavanagh, and Karl M. Newell. "Cross-limb dynamics of postural tremor due to limb loading to fatigue: neural overflow but not coupling." Journal of Neurophysiology 122, no. 2 (August 1, 2019): 572–84. http://dx.doi.org/10.1152/jn.00199.2019.

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Many experiments have shown independence of the index finger dynamics under bilateral postural tremor protocols. Here we investigated in young adults the dynamics of bilateral multidirectional postural tremor and forearm muscle activity under the progressively fatiguing conditions supporting an external weight to the point of induced postural failure. When no loads were applied, tremor in the vertical (VT) and mediolateral (ML) directions was similar with prominent peaks within 2- to 4-Hz and 8- to 12-Hz bandwidths. Contrastingly tremor in the anterior-posterior (AP) direction was characterize

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Майстренко, E. Maystrenko, Третьяков, S. Tretyakov, Даянова, D. Dayanova, Черников та N. Chernikov. "Two-cluster model trёhkompartmentnye tremor in Parkinson´s disease". Complexity. Mind. Postnonclassic 4, № 1 (23 серпня 2015): 39–47. http://dx.doi.org/10.12737/10863.

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The scope of compartment-cluster theory of biosystems is in modeling of voluntariness (or involuntariness) of postural tremor and occurs due to the changes in external control drives Ud from 1st (supervisor) cluster. In this case, there are variations in the frequency response and autocorrelation functions, which is typical for tremorogramm of postural tremor and in case of Parkinson&#180;s disease. The voluntariness of the tremor may occur only in the change of quasiattractors’ parameters in models (changing dissipation coefficient b), that is observed in changes of phy-siological states

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Hosseini, Hassan, Tomasz Mandat, Emmanuelle Waubant, Yves Agid, Catherine Lubetzki, Olivier Lyon-Caen, Bruno Stankoff, et al. "Unilateral Thalamic Deep Brain Stimulation for Disabling Kinetic Tremor in Multiple Sclerosis." Neurosurgery 70, no. 1 (August 27, 2011): 66–69. http://dx.doi.org/10.1227/neu.0b013e31822da55c.

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Abstract BACKGROUND Surgical options of multiple sclerosis (MS) tremor treatment are limited and narrowed to thalamotomy or deep brain stimulation of the thalamic nucleus ventralis intermedius. Lack of qualification protocol frequently results in poor outcome. OBJECTIVE To determine prospectively the efficacy and safety of unilateral ventralis intermedius deep brain stimulation as a tool to control disabling kinetic arm tremor related to MS. METHODS Neurological and neuropsychological evaluations were performed 1 month and 1 day before surgery and 1, 3, and 6 months after surgery. The evaluati

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Gebai, Sarah, Mohammad Hammoud, Gwendal Cumunel, Gilles Foret, Emmanuel Roze, and Elodie Hainque. "Experimental Testing of Passive Linear TMD for Postural Tremor Attenuation." Applied Sciences 11, no. 21 (October 20, 2021): 9809. http://dx.doi.org/10.3390/app11219809.

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Research interest to provide a mechanical solution for involuntary tremors is increasing due to the severe side effects caused by the medications used to lessen its symptoms. This paper deals with the design of a cantilever-type tuned mass damper (TMD) used to prove the effectiveness of passive controllers in reducing the involuntary tremor’s vibrational signals transmitted by the muscles to the hand segment. TMD is tested on an experimental arm, reflecting the flexion-extension motion of the wrist, excited by a mechanical shaker with the measured tremor signal of a patient with essential trem

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Petrofsky, Jerrold, Robert Donatelli, Michael Laymon, and Haneul Lee. "Greater Postural Sway and Tremor during Balance Tasks in Patients with Plantar Fasciitis Compared to Age-Matched Controls." Healthcare 8, no. 3 (July 20, 2020): 219. http://dx.doi.org/10.3390/healthcare8030219.

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Plantar fasciitis (PF) is a common condition found in men and women and can reoccur throughout life. PF is commonly diagnosed by prolonged foot pain lasting more than 3 months and a plantar fascia over 0.4 mm thick, as measured using ultrasound imaging. This study examined the ability to balance and the occurrence of muscle tremor during different balance tasks in patients with PF compared to their control counterparts. Fifty subjects (25 patients with PF and 25 control subjects) participated in this study. Subjective pain (measured with a visual analog scale (VAS)), pressure pain threshold (P

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Narcisa, Vivien, Dalila Aguilar, Danh V. Nguyen, Luis Campos, Jeffrey Brodovsky, Shana White, Patrick Adams, Flora Tassone, Paul J. Hagerman, and Randi J. Hagerman. "A Quantitative Assessment of Tremor and Ataxia in FemaleFMR1Premutation Carriers Using CATSYS." Current Gerontology and Geriatrics Research 2011 (2011): 1–7. http://dx.doi.org/10.1155/2011/484713.

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The fragile X-associated tremor/ataxia syndrome (FXTAS) is a relatively common cause of balance problems leading to gait disturbances in older males (40%) with the premutation. FXTAS is less common in females. We utilized the CATSYS system, a quantitative measure of movement, in 23 women with FXTAS (mean age 62.7; SD 12.3), 90 women with the premutation without FXTAS (mean age 52.9; SD 9.4), and 37 controls (mean age 56.53; SD 7.8). CATSYS distinguished differences between carriers with and without FXTAS in postural tremor, postural sway, hand coordination, and reaction time tasks. Differences

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Rapoport, A., I. Sarova, and H. Braun. "Combined resting-postural tremor of lower limbs: Another essential tremor variant." Neurology 40, no. 6 (June 1, 1990): 1006. http://dx.doi.org/10.1212/wnl.40.6.1006.

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Kinfe, Thomas M., Hans-Holger Capelle, and Joachim K. Krauss. "Impact of surgical treatment on tremor due to posterior fossa tumors." Journal of Neurosurgery 108, no. 4 (April 2008): 692–97. http://dx.doi.org/10.3171/jns/2008/108/4/0692.

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Object The object of this study was to investigate the impact of surgical treatment on tremor caused by posterior fossa tumors. Methods The authors performed a retrospective evaluation of 6 cases involving patients with tremors due to posterior fossa tumors. Patients who had been treated with neuroleptic medication or had a family history of movement disorders were excluded. All patients had postural or kinetic tremors. Tremor was mainly unilateral. The study group included 5 women and 1 man. Mean age at surgery was 59 years. Five patients underwent total or subtotal tumor resection, and 1 pat

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Keogh, Justin W. L., Steve Morrison, and Rod Barrett. "Strength and Coordination Training Are Both Effective in Reducing the Postural Tremor Amplitude of Older Adults." Journal of Aging and Physical Activity 18, no. 1 (January 2010): 43–60. http://dx.doi.org/10.1123/japa.18.1.43.

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The current study investigated the effect of 2 different types of unilateral resistance training on the postural tremor output of 19 neurologically healthy men age 70–80 yr. The strength- (n= 7) and coordination-training (n= 7) groups trained twice a week for 6 wk, performing dumbbell biceps curls, wrist flexions, and wrist extensions, while the control group (n= 5) maintained their normal activities. Changes in index-finger tremor (RMS amplitude, peak, and proportional power) and upper limb muscle coactivation were assessed during 4 postural conditions that were performed separately with the

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Zakaria, R., F. A. Lenz, S. Hua, B. H. Avin, C. C. Liu, and Z. Mari. "Thalamic physiology of intentional essential tremor is more like cerebellar tremor than postural essential tremor." Brain Research 1529 (September 2013): 188–99. http://dx.doi.org/10.1016/j.brainres.2013.07.011.

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Senol, Mehmet, and Ali Kutlu. "Postural tremor due to use of omalizumab." Medicine Science | International Medical Journal 5, no. 1 (2016): 171. http://dx.doi.org/10.5455/medscience.2016.05.8432.

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Полухин, V. Polukhin, Берестин, D. Berestin, Филатова, D. Filatova, Глазова, and O. Glazova. "Biophysical models of pathological and postural tremor." Journal of New Medical Technologies. eJournal 9, no. 4 (December 8, 2015): 0. http://dx.doi.org/10.12737/16779.

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Real chaotic and stochastic analysis of the two movements (tremor was considered as involuntary movements and tapping - arbitrary) shows them as chaotic movements (involuntary on the results of the test, not by the presence of the target). The authors introduce new criteria for separating these two types of motion in the form of matrices of pairwise comparisons of samples tremorograms and tappingrams. Identifying differences between the concrete (obtained continuously, during the sequential measurement) that are compared in pairs in one subject groups was performe

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Clark, S., and R. J. James. "573 THE RELIABILITY OF POSTURAL LEG TREMOR." Medicine & Science in Sports & Exercise 26, Supplement (May 1994): S102. http://dx.doi.org/10.1249/00005768-199405001-00575.

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Petiot, Philippe, Alain Vighetto, Nadine Charles, Laurent Derex, Marc Trillet, and Gilbert Aimard. "Isolated postural tremor revealing HIV-1 infection." Journal of Neurology 240, no. 8 (1993): 507–8. http://dx.doi.org/10.1007/bf00874122.

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Lefaucheur, Romain, Stéphane Derrey, Axel Lebas, David Wallon, and David Maltête. "Unilateral postural tremor caused by frontal cavernoma." Clinical Neurology and Neurosurgery 125 (October 2014): 237–38. http://dx.doi.org/10.1016/j.clineuro.2014.07.033.

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Cao, Yiming, Parvathi Menon, Florence Ching-Fen Chang, Neil Mahant, Nimeshan Geevasinga, Victor S. C. Fung, and Steve Vucic. "Postural tremor and chronic inflammatory demyelinating polyneuropathy." Muscle & Nerve 55, no. 3 (December 2, 2016): 338–43. http://dx.doi.org/10.1002/mus.25253.

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Vernooij, Carlijn Andrea, Martin Lakie, and Raymond Francis Reynolds. "The complete frequency spectrum of physiological tremor can be recreated by broadband mechanical or electrical drive." Journal of Neurophysiology 113, no. 2 (January 15, 2015): 647–56. http://dx.doi.org/10.1152/jn.00519.2014.

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Two frequency peaks of variable preponderance have been reported for human physiological finger tremor. The high-frequency peak (20–25 Hz, seen only in postural tremor) is generally attributed to mechanical resonance, whereas the lower frequency peak (8–12 Hz, seen in both postural and kinetic tremor) is usually attributed to synchronous central or reflexive neural drive. In this study, we determine whether mechanical resonance could generate both peaks. In relaxed subjects, an artificial finger tremor was evoked by random mechanical perturbations of the middle finger or random electrical musc

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Smeltere, Ligita, and Elvīra Smeltere. "Research on Characteristics of Essential Tremor in the Latvian Population / Esenciālā Tremora Īpatnību Izpēte Latvijas Populācijā." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences. 69, no. 5 (September 5, 2015): 259–64. http://dx.doi.org/10.1515/prolas-2015-0039.

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Abstract Essential tremor (ET) is a common movement disorder, characterised by symptoms such as bilateral postural and kinetic tremor with prevalent manifestation in hands. The disease has chronic progressive development. In the case of continuous severe form it may resemble Parkinson’s disease (PD) and sometimes comorbidity with PD is possible. Although both diseases have different pathogenesis and treatment, some tremor characteristics for both are similar, thus causing difficulties and mistakes in diagnosing. The aim of the research was to determine ET characteristics within the Latvian pop

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Rajput, Ali H., and Alex Rajput. "Medical Treatment of Essential Tremor." Journal of Central Nervous System Disease 6 (January 2014): JCNSD.S13570. http://dx.doi.org/10.4137/jcnsd.s13570.

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Essential tremor (ET) is the most common pathological tremor characterized by upper limb action—postural tremor (PT)/kinetic tremor (KT). There are no specific neuropathological or biochemical abnormalities in ET. The disability is consequent to amplitude of KT, which may remain mild without handicap or may become disabling. The most effective drugs for sustained tremor control are propranolol and primidone. Symptomatic drug treatment must be individualized depending on the circumstances that provoke the tremor-related disability. Broad guidelines for treatment are discussed in this review. Pa

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Héroux, M. E., G. Pari, and K. E. Norman. "The effect of inertial loading on wrist postural tremor in essential tremor." Clinical Neurophysiology 120, no. 5 (May 2009): 1020–29. http://dx.doi.org/10.1016/j.clinph.2009.03.012.

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