5,251 results match your criteria postural sway

Concurrent Validity of Inertially Sensed Measures during Voluntary Body Sway in Silence and while Exposed to a Rhythmic Acoustic Stimulus: A Pilot Study.

Digit Biomark 2021 Jan-Apr;5(1):65-73. Epub 2021 Mar 23.

Sports Biomechanics Lab, Department of Sport Medicine and Biology of Exercise, School of Physical Education and Sport Science, National and Kapodistrian University of Athens, Athens, Greece.

Introduction: The effect of rhythmic acoustic stimuli on body sway is of increasing interest due to their positive contribution when training or restoring the control of movement. Inertial sensors show promise as a portable, easier, and more affordable method compared to the force plate "gold standard" concerning the evaluation of postural sway. This study examined the concurrent validity of inertially sensed measures of voluntary body sway against those obtained with a force plate, in silence and while exposed to a rhythmic acoustic stimulus. Read More

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Case of cerebellar ataxia successfully treated by virtual reality-guided rehabilitation.

BMJ Case Rep 2021 May 10;14(5). Epub 2021 May 10.

Hemoptysis and Pulmonary-Circulation Center, Eishinkai Kishiwada Rehabilitation Hospital, Kishiwada, Osaka, Japan.

A male patient in his 40s was transferred to our hospital for rehabilitation of ataxia after right cerebellar and brainstem infarction. After 3 weeks of conventional physical therapy, his activities of daily life successfully improved with an increase in the functional impedance measure from 101 to 124. However, he still fell short of gaining a higher level of balance function, which was necessary for his job as a standup forklift driver. Read More

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Active elderly and health-can moderate exercise improve health and wellbeing in older adults? Protocol for a randomized controlled trial.

Trials 2021 May 7;22(1):331. Epub 2021 May 7.

Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.

Background: Aging is marked by a progressive rise in chronic diseases with an impact on social and healthcare costs. Physical activity (PA) may soothe the inconveniences related to chronic diseases, has positive effects on the quality of life and biological rhythms, and can prevent the decline in motor functions and the consequent falls, which are associated with early death and disability in older adults.

Methods: We randomized 120 over-65 males and females into groups of similar size and timing and will give each either moderate physical activity or cultural and recreational activities. Read More

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Gymnastics Experience Enhances the Development of Bipedal-Stance Multi-Segmental Coordination and Control During Proprioceptive Reweighting.

Front Psychol 2021 15;12:661312. Epub 2021 Apr 15.

Department of Sport Science, University of Innsbruck, Innsbruck, Austria.

Performance and control of upright bipedal posture requires a constant and dynamic integration of relative contributions of different sensory inputs (i. e., sensory reweighting) to enable effective adaptations as individuals face environmental changes and perturbations. Read More

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Association between knee extensor and ankle plantarflexor muscle thickness and echo intensity with postural sway, mobility and physical function in older adults.

Exp Gerontol 2021 Apr 28;150:111385. Epub 2021 Apr 28.

Centre for Physical Activity and Life Sciences, Faculty of Art, Science and Technology, University of Northampton, Northamptonshire, United Kingdom.

The purpose of this study was to assess the association between muscle thickness and echo intensity of the knee extensors and ankle plantarflexors with postural sway, mobility and physical function in older adults. Twenty-one older men and women (age; 69.9 ± 4. Read More

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Transcutaneous Spinal Cord Stimulation Enhances Walking Performance and Reduces Spasticity in Individuals with Multiple Sclerosis.

Brain Sci 2021 Apr 8;11(4). Epub 2021 Apr 8.

Neurological Center, Klinik Penzing-Wiener Gesundheitsverbund, 1140 Vienna, Austria.

Gait dysfunction and spasticity are common debilitating consequences of multiple sclerosis (MS). Improvements of these motor impairments by lumbar transcutaneous spinal cord stimulation (tSCS) have been demonstrated in spinal cord injury. Here, we explored for the first time the motor effects of lumbar tSCS applied at 50 Hz for 30 min in 16 individuals with MS and investigated their temporal persistence post-intervention. Read More

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Anxiety does not always affect balance: the predominating role of cognitive engagement in a video gaming task.

Exp Brain Res 2021 Apr 28. Epub 2021 Apr 28.

Department of Health and Kinesiology, College of Health, University of Utah, 250 S 1850 E, Salt Lake City, UT, 84112, USA.

Scientists have predominantly assessed anxiety's impact on postural control when anxiety is created by the need to maintain balance (e.g., standing at heights). Read More

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The effects of supervised versus home Pilates-based core stability training on lower extremity muscle strength and postural sway in people with multiple sclerosis.

Mult Scler 2021 Apr 28:13524585211012202. Epub 2021 Apr 28.

Neurology Department, Bakırköy Mazhar Osman Mental Health and Neurological Diseases Education and Research Hospital, İstanbul, Turkey.

Background: Pilates-based core stability training (PBCST) is a controlled form of exercise that may improve the transmission of torque from the upper extremities and trunk to the lower extremities by enabling the core muscles to activate effectively.

Objectives: The aim of this study was to investigate the effects of PBCST given as supervised or home-based on lower extremity strength and postural control in multiple sclerosis.

Methods: Fifty individuals were enrolled and randomly allocated into two groups. Read More

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Functional limits of stability and standing balance in people with Parkinson's disease with and without freezing of gait using wearable sensors.

Gait Posture 2021 Apr 19;87:123-129. Epub 2021 Apr 19.

Department of Neurology, Oregon Health & Science University, Portland, OR, USA. Electronic address:

Background: People with from Parkinson's disease (PD) and freezing of gait (FoG) have more frequent falls compared to those who do not freeze but there is no consensus on which, specific objective measures of postural instability are worse in freezers (PD + FoG) than non-freezers (PD-FoG).

Research Question: Are functional limits of stability (fLoS) or postural sway during stance measured with wearable inertial sensors different between PD + FoG versus PD-FoG, as well as between PD versus healthy control subjects (HC)?

Methods: Sixty-four PD subjects with FoG (MDS-UPDRS Part III: 45.9 ± 12. Read More

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Clinical and biomechanical factors associated with falls and rheumatoid arthritis: baseline cohort with longitudinal nested case-control study.

Rheumatology (Oxford) 2021 Apr 26. Epub 2021 Apr 26.

Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, UK.

Objective: To identify the clinical and biomechanical characteristics associated with falls in people with RA.

Methods: 436 people aged 60 years or older with RA completed a one-year prospective survey of falls in the UK. At baseline, questionnaires recorded data including: personal and medical history, pain and fatigue scores, health related quality of life (HRQoL), physical activity and medication history. Read More

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Postural stability is a valid and meaningful disability metric in progressive MS with potential for use in neuroprotective therapy trials.

Mult Scler Relat Disord 2021 Apr 11;52:102946. Epub 2021 Apr 11.

Department of Neurology, St. Vincent's University Hospital, Dublin 4, Ireland; School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland.

Background: Balance impairment is observed in up to 70% of people with MS (pwMS) and worsens with disease progression. Posturography using a force platform is the current gold standard in the measurement of balance. However, posturography has not been adequately studied or widely accepted for use as a disability outcome measure for pwMS. Read More

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Errors in cognitive performance trigger postural instability in Parkinson's disease.

Parkinsonism Relat Disord 2021 Apr 20;86:91-96. Epub 2021 Apr 20.

Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA; Center for Neurological Restoration, Cleveland Clinic, Cleveland, OH, USA. Electronic address:

Background: Globally, postural stability and cognitive performance are intimately linked in Parkinson's disease (PD). However, a fundamental gap exists in understanding the precise relationship between a disruption in executive function and its impact on postural stability.

Objective: This project aimed to determine the precise effects of cognitive errors on postural stability under dual-task conditions in participants with PD and controls. Read More

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Effects of orthopedic insoles on postural balance in patients with chronic stroke: A randomized crossover study.

Gait Posture 2021 Apr 20;87:75-80. Epub 2021 Apr 20.

Department of Physical Medicine and Rehabilitation, Wang Fang Hospital, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Injury Prevention and Control, Taipei Medical University, Taipei, Taiwan. Electronic address:

Background: Orthopedic insoles (OIs) with medial arch support and heel cushion are widely used to manage lower extremity injuries, but their effects on postural balance in patients with chronic stroke have not been adequately explored.

Methods: Design: Double-blinded, sham-controlled, randomized crossover trial.

Participants: A total of 32 ambulatory patients (20 men and 12 women, aged between 30 and 76 years) with more than 6 months since stroke onset. Read More

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The effect of low light levels on postural stability in older adults with age-related macular degeneration.

Ophthalmic Physiol Opt 2021 Apr 20. Epub 2021 Apr 20.

Centre for Vision and Eye Research, School of Optometry & Vision Science and Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia.

Purpose: To investigate the effect of low light levels on postural stability in older adults with and without age-related macular degeneration (AMD).

Methods: Participants included 28 older adults [14 with AMD (mean age ± S.D. Read More

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Usefulness of postural sway spectral analysis in the diagnostic route and clinical integration of cervicogenic and vestibular sources of dizziness: A cross-sectional preliminary study.

J Vestib Res 2021 Apr 8. Epub 2021 Apr 8.

University of Rome Tor Vergata -Department of Clinical Sciences and Translational Medicine -Italy.

Background: Posturography power spectra (PS) implementation has been proven to discriminate between sensory inputs detriment of vestibular and proprioceptive origin.

Objective: To deepen the role of posturography testing in the diagnostic route of dizzy conditions, by comparing two groups of patients -93 affected by cervicogenic dizziness (CGD) and 72 by unilateral vestibular hypofunction (UVH) -with a group of 98 age- and gender-matched healthy subjects, serving as control group (CON).

Methods: All participants underwent otoneurological testing including video head impulse test (vHIT) and posturography testing with PS analysis. Read More

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Effects of low vs. high frequency local vibration on mild-moderate muscle spasticity: Ultrasonographical and functional evaluation in patients with multiple sclerosis.

Mult Scler Relat Disord 2021 Mar 31;51:102930. Epub 2021 Mar 31.

Hacettepe University, Faculty of Physical Therapy and Rehabilitation, 06100 Samanpazarı/Altındag, Ankara, Turkey. Electronic address:

Background: Local vibration (LV) is a physiotherapy application that aims to reduce spasticity. The study aimed to compare the effects of 50 Hz vs. 100 Hz LV on mild-moderate spasticity, functional performance and muscle architecture. Read More

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Energy spectral density as valid parameter to compare postural control between subjects with nonspecific chronic low back pain vs healthy subjects: A case-control study.

Musculoskelet Sci Pract 2021 Mar 24;53:102370. Epub 2021 Mar 24.

Department of Medical Surgical-Therapy, Medicine Faculty, Extremadura University, Badajoz, Spain.

Background: Nonspecific chronic low back pain (NSCLBP) is one of the most common and frequent health problems. OBJETIVE: to compare postural control (i.e. Read More

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Arch Phys Med Rehabil 2021 Apr 2. Epub 2021 Apr 2.

Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil; Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP, Brazil; Graduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, University of São Paulo, Brazil. Electronic address:

Design: Randomized Clinical Trial SETTING: Outpatient Physical Therapy.

Participants: One hundred and twenty people with chronic low back (CLBP) aged 18 to 60 years.

Interventions: SSKT, Sham KT (no tension) and Minimal Intervention (Educational booklet for self-management counseling). Read More

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Isokinetic Muscle Strength and Postural Sway of Recreationally Active Older Adults vs. Master Road Runners.

Front Physiol 2021 18;12:623150. Epub 2021 Mar 18.

Centro de Educação Física e Desportos, Universidade Federal do Espírito Santo, Vitória, Brazil.

Trunk muscle strength and control is an important prerequisite for everyday activities among elderly people decreasing the predisposition to falls. High levels of physical exercise performed by older athletes could offer benefits to core/trunk muscle strength and postural control compared with recreational physical activities and among elderly people with lower levels of physical activity. The present study aimed to compare trunk muscle strength and postural control of older running athletes vs. Read More

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Cognitive Domain Associations with Balance Performance in Community-Dwelling Older People with Cognitive Impairment.

J Alzheimers Dis 2021 Apr 2. Epub 2021 Apr 2.

Neuroscience Research Australia, UNSW Sydney, Randwick, NSW, Australia.

Background: In older people with cognitive impairment (CI), executive function (EF) has been associated with motor performance including balance and gait. The literature examining and supporting a relationship between balance performance and other cognitive domains is limited.

Objective: To investigate the relationship between global cognition and cognitive domain function and balance performance in older people with CI. Read More

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Middle-age people with multiple sclerosis demonstrate similar mobility characteristics to neurotypical older adults.

Mult Scler Relat Disord 2021 Mar 25;51:102924. Epub 2021 Mar 25.

Department of Health & Exercise Science, Colorado State University, Fort Collins, Colorado, USA; Molecular, Cellular, and Integrative Neuroscience Program, Colorado State University, Fort Collins, Colorado, USA.

Background: Clinical trials often report significant mobility differences between neurotypical and atypical groups, however, these analyses often do not determine which measures are capable of discriminating between groups. Additionally, indirect evidence supports the notion that some mobility impaired populations demonstrate similar mobility deficits. Thus, the current study aimed to provide a comprehensive analysis of three distinct aspects of mobility (walking, turning, and balance) to determine which variables were significantly different and were also able to discriminate between neurotypical older adults (OA) and middle-aged people with multiple sclerosis (PwMS), and between middle-aged neurotypical adults and PwMS. Read More

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The effects of sensory quantization and control torque saturation on human balance control.

Chaos 2021 Mar;31(3):033145

Department of Applied Mechanics, Budapest University of Technology and Economics and MTA-BME Lendület Human Balancing Research Group, Budapest 1111, Hungary.

The effect of reaction delay, temporal sampling, sensory quantization, and control torque saturation is investigated numerically for a single-degree-of-freedom model of postural sway with respect to stability, stabilizability, and control effort. It is known that reaction delay has a destabilizing effect on the balancing process: the later one reacts to a perturbation, the larger the possibility of falling. If the delay is larger than a critical value, then stabilization is not even possible. Read More

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Reliability of IMU-Derived Static Balance Parameters in Neurological Diseases.

Int J Environ Res Public Health 2021 03 31;18(7). Epub 2021 Mar 31.

Department of Neurology, University Hospital Schleswig-Holstein, Arnold-Heller-Strasse 3, Haus D, 24105 Kiel, Germany.

Static balance is a commonly used health measure in clinical practice. Usually, static balance parameters are assessed via force plates or, more recently, with inertial measurement units (IMUs). Multiple parameters have been developed over the years to compare patient groups and understand changes over time. Read More

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A Comparison of the Effect of Two Types of Whole Body Vibration Platforms on Fibromyalgia. A Randomized Controlled Trial.

Int J Environ Res Public Health 2021 03 15;18(6). Epub 2021 Mar 15.

Research Institute of Health Sciences (IUNICS-IdISBa), University of the Balearic Islands, 07122 Palma de Mallorca, Spain.

Whole body vibration has been proven to improve the health status of patients with fibromyalgia, providing an activation of the neuromuscular spindles, which are responsible for muscle contraction. The present study aimed to compare the effectiveness of two types of whole body vibrating platforms (vertical and rotational) during a 12-week training program. Sixty fibromyalgia patients (90% were women) were randomly assigned to one of the following groups: group A ( = 20), who performed the vibration training with a vertical platform; group B ( = 20), who did rotational platform training; or a control group C ( = 20), who did not do any training. Read More

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CEPS: An Open Access MATLAB Graphical User Interface (GUI) for the Analysis of Complexity and Entropy in Physiological Signals.

Entropy (Basel) 2021 Mar 8;23(3). Epub 2021 Mar 8.

School of Life, Health and Chemical Sciences, Walton Hall, The Open University, Milton Keynes MK7 6AA, UK.

Background: We developed CEPS as an open access MATLAB GUI (graphical user interface) for the analysis of (CEPS), and demonstrate its use with an example data set that shows the effects of paced breathing (PB) on variability of heart, pulse and respiration rates. CEPS is also sufficiently adaptable to be used for other time series physiological data such as EEG (electroencephalography), postural sway or temperature measurements.

Methods: Data were collected from a convenience sample of nine healthy adults in a pilot for a larger study investigating the effects on vagal tone of breathing paced at various different rates, part of a development programme for a home training stress reduction system. Read More

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Comparison of sedation quality and safety of detomidine and romifidine as a continuous rate infusion for standing elective laparoscopic ovariectomy in mares.

Vet Surg 2021 Apr 1. Epub 2021 Apr 1.

Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA.

Objective: To compare efficacy and safety of a continuous rate infusion of detomidine hydrochloride and romifidine hydrochloride for standing elective bilateral laparoscopic ovariectomy in mares.

Study Design: Blinded, randomized prospective clinical study.

Animals: Eighteen healthy mares presenting for elective bilateral ovariectomy METHODS: Mares were randomly assigned to one of two sedation protocols. Read More

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A wearable light-touch contact device for human balance support.

Sci Rep 2021 Apr 1;11(1):7324. Epub 2021 Apr 1.

Faculty of Engineering, Yokohama National University, Yokohama, 240-8501, Japan.

There is an urgent need for the development of ways to address the major issue of falls among today's globally aging population. The authors here outline a new approach referred to as virtual light-touch contact to mitigate postural sway during ambulatory and stationary periods, and propose a wearable light-touch (WLT) system featuring a virtual partition around the user that allows determination of virtual forces resulting from related contact. The data produced are used to create vibrotactile fingertip feedback, which supports comprehensive perception of the partition. Read More

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Postural mechanisms in moderate-to-severe cerebral palsy.

J Neurophysiol 2021 May 31;125(5):1698-1719. Epub 2021 Mar 31.

Department of Rehabilitation Sciences, University of Hartford, West Hartford, Connecticut.

People with moderate-to-severe cerebral palsy (CP) have the greatest need for postural control research yet are usually excluded from research due to deficits in sitting ability. We use a support system that allows us to quantify and model postural mechanisms in nonambulatory children with CP. A continuous external bench tilt stimulus was used to evoke trunk postural responses in seven sitting children with CP (ages 2. Read More

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Hypothetical control of postural sway.

J R Soc Interface 2021 03 31;18(176):20200951. Epub 2021 Mar 31.

Department of Psychology, Grinnell College, Grinnell, IA 50112, USA.

Quiet standing exhibits strongly intermittent variability that has inspired at least two interpretations. First, variability can be intermittent through the alternating engagement and disengagement of complementary control processes at distinct scales. A second and perhaps deeper way to interpret this intermittency is through the possibility that postural control depends on cascade-like interactions across many timescales at once, suggesting specific non-Gaussian distributional properties at different timescales. Read More

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The effect of diabetic retinopathy on standing posture during optic flow stimulation.

Gait Posture 2020 Oct 22. Epub 2020 Oct 22.

Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.

Background: Diabetic retinopathy is a principal cause of visual damage and blindness, in which laser treatment offers proven therapy. The progressive degeneration of the retina, secondary to diabetes, is believed to cause postural instability although this is not well documented. The aim of this research was to assess how optic flow stimuli contribute to the control of stance in people with impaired retinal functions. Read More

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October 2020