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Dynamic postural stability

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https://www.readbyqxmd.com/read/27905392/-clinical-and-stabilometric-restructuring-of-patients-stability-during-balance-therapy-from-the-first-days-of-ischemic-stroke
#1
E A Plishkina, B N Bein
AIM: To study the process of recovery of postural function during stabilometric training with biofeedback (BFB) in patients with ischemic carotid stroke. MATERIAL AND METHODS: Forty-two patients underwent 10-day stabilometric training from the onset of stroke. Clinical and stabilometric parameters were assessed at 4 points: at baseline, after 5 sessions, after 10 sessions and after 3-4 months in the early recovery stage after discharge from the hospital. RESULTS: There was no correlation between the positive regress of neurologic symptoms and trends of stabilometry indicators...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27883068/-cerebellar-contribution-to-visuo-attentional-alpha-rhythm-insights-from-weightlessness
#2
A M Cebolla, M Petieau, B Dan, L Balazs, J McIntyre, G Cheron
Human brain adaptation in weightlessness follows the necessity to reshape the dynamic integration of the neural information acquired in the new environment. This basic aspect was here studied by the electroencephalogram (EEG) dynamics where oscillatory modulations were measured during a visuo-attentional state preceding a visuo-motor docking task. Astronauts in microgravity conducted the experiment in free-floating aboard the International Space Station, before the space flight and afterwards. We observed stronger power decrease (~ERD: event related desynchronization) of the ~10 Hz oscillation from the occipital-parietal (alpha ERD) to the central areas (mu ERD)...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27865478/the-limits-of-stability-and-muscle-activity-in-middle-aged-adults-during-static-and-dynamic-stance
#3
P X Ku, N A Abu Osman, W A B Wan Abas
Balance control plays an important role in maintaining daily activity. However, studies on postural control among middle-aged adults are scarce. This study aims (i) to examine directional control (DCL) and electromyography activity (EMG) for different stability levels, and (ii) to determine left-right asymmetry for DCL and muscle activity among sedentary middle-aged adults. Twenty healthy, middle-aged adults (10 males, 10 females; age=50.0±7.5yrs; body height: 1.61±0.10m; body mass: 70.0±14.5kg) participated in the study...
November 10, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27861847/structural-and-functional-characteristics-of-the-thoracolumbar-multifidus-muscle-in-horses
#4
J A García Liñeiro, G H Graziotti, J M Rodríguez Menéndez, C M Ríos, N O Affricano, C L Victorica
The multifidus muscle fascicles of horses attach to vertebral spinous processes after crossing between one to six metameres. The fascicles within one or two metameres are difficult to distinguish in horses. A vertebral motion segment is anatomically formed by two adjacent vertebrae and the interposed soft tissue structures, and excessive mobility of a vertebral motion segment frequently causes osteoarthropathies in sport horses. The importance of the equine multifidus muscle as a vertebral motion segment stabilizer has been demonstrated; however, there is scant documentation of the structure and function of this muscle...
November 11, 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/27824252/elite-female-basketball-players-body-weight-neuromuscular-training-and-performance-on-the-y-balance-test
#5
Roberto Benis, Matteo Bonato, Antonio La Torre
CONTEXT: Neuromuscular training enhances unconscious motor responses by stimulating both the afferent signals and central mechanisms responsible for dynamic joint control. Dynamic joint-control training is a vital component of injury-prevention programs. OBJECTIVE: To investigate the effects of body-weight neuromuscular training on Y-Balance Test (YBT) performance and postural control in female basketball players. DESIGN: Randomized controlled clinical trial...
September 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27814667/assessment-of-relationships-between-joint-motion-quality-and-postural-control-in-patients-with-chronic-ankle-joint-instability
#6
Dawid Bączkowicz, Krzysztof Falkowski, Edyta Majorczyk
Study Design Controlled laboratory study, cross sectional. Background Lateral ankle sprains are among the most common injuries encountered during athletic participation. Following the initial injury there is an alarmingly high risk of re-injury and development of chronic ankle instability (CAI), which is dependent on a combination of factors, including sensorimotor deficits and changes in the biomechanical environment of the ankle joint. Objective To evaluate CAI-related disturbances in arthrokinematic motion quality and postural control and the relationships between them...
November 4, 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27801408/-the-regulation-of-balance-in-the-children-presenting-with-severe-cerebral-palsy-following-the-treatment-with-the-use-of-the-locomotor-training-in-combination-with-the-electrical-stimulation-of-leg-muscles-and-spinal-cord
#7
I E Nikityuk, T R Moshonkina, Yu P Gerasimenko, S V Vissarionov, A G Baindurashvili
: One of the cerebral palsy (CP) symptoms is the impairment of the ability to maintain upright standing. The objective of the present study was to investigate the effect of the locomotor training combined with electrical transcutaneous spinal cord stimulation (TSCS) and functional electrical stimulation (FES) of the muscles to facilitate the restoration of the vertical posture function in the children presenting with cerebral palsy. PATIENTS AND METHODS: This article is designed to present the results of the study that included 19 patients at the age from 6 to 12 years...
2016: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/27790243/the-effect-of-spinal-tap-test-on-different-sensory-modalities-of-postural-stability-in-idiopathic-normal-pressure-hydrocephalus
#8
Katrin Abram, Silvia Bohne, Peter Bublak, Panagiota Karvouniari, Carsten M Klingner, Otto W Witte, Orlando Guntinas-Lichius, Hubertus Axer
BACKGROUND/AIMS: Postural instability in patients with normal pressure hydrocephalus (NPH) is a most crucial symptom leading to falls with secondary complications. The aim of the current study was to evaluate the therapeutic effect of spinal tap on postural stability in these patients. METHODS: Seventeen patients with clinical symptoms of NPH were examined using gait scale, computerized dynamic posturography (CDP), and neuropsychological assessment. Examinations were done before and after spinal tap test...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/27788247/dependence-of-gait-deviation-on-weight-bearing-asymmetry-and-postural-instability-in-children-with-unilateral-cerebral-palsy
#9
Małgorzata Domagalska-Szopa, Andrzej Szopa, Andrzej Czamara
Postural control deficits have been suggested to be a major component of gait disorders in children with cerebral palsy. The purpose of this study was to investigate the relationship between postural stability and treadmill walking, in children with unilateral cerebral palsy, by defining dependence between the posturographic weight-bearing distribution and center of pressure (CoP) sway during quiet standing with Gillette Gait Index and the 16 distinct gait parameters that composed the Gillette Gait Index. Forty-five children with unilateral cerebral palsy from 7-12 years of age were included in this study...
2016: PloS One
https://www.readbyqxmd.com/read/27764158/postural-stability-margins-as-a-function-of-support-surface-slopes
#10
Aviroop Dutt-Mazumder, Seymon M Slobounov, John Henry Challis, Karl Maxim Newell
This investigation examined the effects of slope of the surface of support (35°, 30°, 20°, 10° Facing(Toe) Down, 0° Flat and 10°, 20°, 25° Facing (Toe) Up) and postural orientation on the margins of postural stability in quiet standing of young adults. The findings showed that the center of pressure-CoP (displacement, area and length) had least motion at the baseline (0° Flat) platform condition that progressively increased as a function of platform angle in both facing up and down directions. The virtual time to collision (VTC) dynamics revealed that the spatio-temporal margins to the functional stability boundary were progressively smaller and the VTC time series also more regular (SampEn-Sample Entropy) as slope angle increased...
2016: PloS One
https://www.readbyqxmd.com/read/27753581/the-addition-of-body-amor-diminishes-dynamic-postural-stability-in-military-soldiers
#11
Timothy C Sell, Jonathan J Pederson, John P Abt, Takashi Nagai, Jennifer Deluzio, Michael D Wirt, Larry J McCord, Scott M Lephart
No abstract text is available yet for this article.
October 2016: Military Medicine
https://www.readbyqxmd.com/read/27706549/a-multivariate-assessment-of-clinical-contributions-to-the-severity-of-perceived-dysfunction-measured-by-the-cumberland-ankle-instability-tool
#12
A Rosen, J Ko, C Brown
Chronic ankle instability is a common pathological consequence of ankle sprains. However, screening tools which assess self-reported dysfunction offer little insight into clinical factors which may be useful to improve deficits. The purpose of this study was to identify factors that contribute most to self-reported dysfunction. 93 individuals completed the Cumberland Ankle Instability Tool (CAIT), active range of motion, dynamic postural stability assessments, and an arthrometer inversion stress test to assess lateral ankle laxity and stiffness...
October 5, 2016: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27684456/sit-to-stand-and-walk-from-120-knee-height-a-novel-approach-to-assess-dynamic-postural-control-independent-of-lead-limb
#13
Gareth D Jones, Darren C James, Michael Thacker, David A Green
Individuals with sensorimotor pathology e.g., stroke have difficulty executing the common task of rising from sitting and initiating gait (sit-to-walk: STW). Thus, in clinical rehabilitation separation of sit-to-stand and gait initiation - termed sit-to-stand-and-walk (STSW) - is usual. However, a standardized STSW protocol with a clearly defined analytical approach suitable for pathological assessment has yet to be defined. Hence, a goal-orientated protocol is defined that is suitable for healthy and compromised individuals by requiring the rising phase to be initiated from 120% knee height with a wide base of support independent of lead limb...
2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27676762/effect-of-a-vestibular-rehabilitation-protocol-to-improve-the-health-related-quality-of-life-and-postural-balance-in-patients-with-peripheral-vertigo
#14
Salma Jeribi, Abdelmoneem Yahia, Imen Achour, Bouthaina Hammemi, Abdelmoneem Ghorbel, Mohamed Habib Elleuch, Sameh Ghroubi
OBJECTIVE: To determine the effect of completing a vestibular rehabilitation treatment protocol on postural balance, dizziness and quality of life in patients with peripheral vertigo. MATERIAL/PATIENTS AND METHODS: A prospective study concerning patients with instability due to unilateral peripheral vestibular disorder. The patients were evaluated with a clinical examination and a test of static and dynamic balance on the Satel(®) platform in which length, mediolateral (LongX) and anterior-posterior deviations (long Y) were monitored...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27676758/assessment-of-the-rocker-sole-shoes-on-postural-stability-in-patients-with-type-2-diabetes-and-distal-sensorimotor-polyneuropathy
#15
Marie Lumeau, Mathieu Lempereur, Emmanuel Sonnet, Olivier Remy Neris
OBJECTIVE: Distal sensorimotor polyneuropathy (DPN) is a leading risk factor of developing ulcer, including increased pressures at the forefoot. The rocker sole shoes are prescribed to decrease pressures but could induce instability [1]. The aim of this study was to compare the postural stability between normal shoes (NS) and rocker sole shoes (RSS) in patients with type 2 diabetes and DPN. MATERIAL/PATIENTS AND METHODS: In this preliminary, randomized, controlled study, NS and RSS were compared during static standing and gait...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27669151/cerebellar-tdcs-does-not-improve-learning-in-a-complex-whole-body-dynamic-balance-task-in-young-healthy-subjects
#16
Katharina Marie Steiner, Anne Enders, Wiebke Thier, Giorgi Batsikadze, Nicolas Ludolph, Winfried Ilg, Dagmar Timmann
Transcranial direct current stimulation (tDCS) of the cerebellum is of increasing interest as a non-invasive technique to modulate motor performance and learning in health and disease. Previous studies have shown that cerebellar tDCS facilitates reach adaptation and associative motor learning in healthy subjects. In the present study it was tested whether cerebellar tDCS improves learning of a complex whole body motor skill. Because this task involves learning of posture and balance likely including learning of a new motor sequence and cognitive strategies, cerebellar tDCS was applied over midline cerebellar structures and the posterolateral cerebellar hemispheres...
2016: PloS One
https://www.readbyqxmd.com/read/27644409/real-time-visual-feedback-of-com-and-cop-motion-properties-differentially-modifies-postural-control-structures
#17
Melissa C Kilby, Peter C M Molenaar, Semyon M Slobounov, Karl M Newell
The experiment was setup to investigate the control of human quiet standing through the manipulation of augmented visual information feedback of selective properties of the motion of two primary variables in postural control: center of pressure (COP) and center of mass (COM). Five properties of feedback information were contrasted to a no feedback dual-task (watching a movie) control condition to determine the impact of visual real-time feedback on the coordination of the joint motions in postural control in both static and dynamic one-leg standing postures...
September 19, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/27632875/effects-of-a-6-week-neuromuscular-rehabilitation-program-on-ankle-evertor-strength-and-postural-stability-in-elite-women-field-hockey-players-with-chronic-ankle-instability
#18
Taegyu Kim, Eunkuk Kim, Hokyung Choi
OBJECTIVE: To determine whether a neuromuscular rehabilitation program can improve postural stability, and ankle evertor strength, and to examine the temporal changes and persistence of the rehabilitation effects in athletes with chronic ankle instability (CAI). DESIGN: A total of 21 national women's field hockey players participated in this study (CAI, n = 12; control, n = 9). Main outcome measures included isokinetic ankle evertor strength (peak torque, PT; total work, TW) at 30°/s, 60°/s, 90°/s and 120°/s, mediolateral stability index (MSI), and dynamic stability test (TCT)...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27632858/dual-tasking-effects-on-dynamic-postural-stability-in-athletes-with-and-without-anterior-cruciate-ligament-reconstruction
#19
Shahrzad Mohammadi Rad, Mahyar Salavati, Ismail Ebrahimi Takamjani, Behnam Akhbari, Shiva Sherafat, Hossein Negahban, Pezhman Lali, Masood Mazaheri
PURPOSE: To compare the effect of dual-tasking on postural stability between patients with anterior cruciate ligament reconstruction (ACL-R) and healthy controls. METHODS: Single-limb postural stability was assessed in 17 athletes with ACL-R and 17 healthy matched athletes while standing on a Biodex Balance System platform in four conditions: stability level of 8 (i.e. more stable support surface) with eyes open; stability level of 8 with eyes closed; stability level of 6 (i...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27631655/what-could-posturography-tell-us-about-balance-problems-in-parkinson-s-disease
#20
Marcos Rossi-Izquierdo, Andrés Soto-Varela, Arne Ernst, Juan Pedro Rubio-Rodríguez, Sofía Santos-Pérez, Ángel Sesar, Miguel Alberte-Woodward, Mónica Guijarro-Del Amo, Elena San Román-Rodríguez, Ana Faraldo-García, Alfonso Zubizarreta-Gutiérrez, Dietmar Basta
OBJECTIVE: Impaired balance in patients with Parkinson's disease (PD) leads to loss of balance and frequent falls. Computerized dynamic posturography allows the assessment of stance tasks whereas mobile posturography analyzes the balance in free-field conditions, where falls among PD patients commonly occur (e.g. sitting down or standing up). The aim of the present study is to assess postural stability in PD patients with both techniques. STUDY DESIGN: Prospective study...
October 2016: Otology & Neurotology
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