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Postural control - Science topic
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Questions related to Postural control
I am looking for a database of different posture pictures like fist, arms openly raised, hands and arms put straight forward to put away someone etc..
Does anyone know of any database (real people or generated pictures)?
I'm curious to know whether any of you have used head acceleration to investigate balance control. Particularly, if there is any interesting variable from head-mounted 3D accelerometers that can pinpoint changes in postural control during gait, or differences between young and older adults. Any comment will be helpful!
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I am working on Cognitive Neuroscience and postural control related field and I need to understand the ANOVA and Regression for my data analysis purpose. Suggestions on how to go about these topics are highly appreciable.
I am working on postural stability during static standing position in condition of using mobile phone and without mobile.
I need literature an suggestion for methods.
I need literature how set-up for markers for 3D analysis of upper body stability with Vicon ( 9 cameras stereophotogrammetric system). Suggestion and advice please.
We would like two asses postural sway using two Kistler force plates combined, so that the participant stays with one foot on each force plate. We need some advice on how to adapt our Matlab protocol. So far we have assesed postural sway using just one Kistler force plate and a Matlab protocol (Bey et al. 2018 "The data were acquired with the software BioWare 220.127.116.11 using a sampling rate of 200 Hz. The data were filtered using a 10th order digital low pass Butterworth filter at a 7 Hz cut-off frequency and analyzed with MATLAB (R2012a, 64 Bit, The Mathworks,Natick, USA)." Has anyone any idea what we need to do/how we need to change our Matlab protocol for a measurement with two force plates?
Please describe your opinion on this topic and suggest some literature.
Effects and mechanism of control during chewing gum in quite standing position.
Please let me know if there are literature or research findings about the effects that sexual maturation may have on postural stability.
I've decide to put the girls with different menarcheal status in two or more age groups, then to compare their static balance in response to perturbations.
or I will be thankful if you help me find a reference on reliability and validity of force palate in assessing the postural control in older adults.
this research is about the effect of transcranial direct stimulation targeting M1 on postural control
The aerobic treadmill exercise is feasible, safe and it may improve early anomalies of posture and gait in early MS patients. In the context of an impairment oriented rehabilitation approach, the set of instrumental measurements proposed seems to be able to identify subclinical anomalies in a very low degree of functional involvement on an individual basis.
I was working on novel method of quantification of interlimb coordination during walking in human. Since this is a new method, I was hesitant to mix it with a clinical study that it is involved before the method is established. We are hoping to write a short method paper for it but not sure the journal of options. For example, neuroscience letters are known to have a quick review time but not sure if there are better options.
I would like to know whether Increasing attentional demand by implementing a cognitive task concomitant with a unstable balance condition should have a greater influence on postural control, comparing two different groups non-athletes and athletes, both young male, 20 – 30 years old.
I have done a research about Pilates based therapeutic exercises on postural control (postural sway and the star excursion balance test) on young people with chronic low back pain. I have a statistical significant reduction on postural sway and and increase in the SEBT.
But i have found no references about its clinical importance.
What must be the percentage of change for it to be clinically meaningful?
In daily activities, arm movements are frequently performed to acquire objects. The demand to interact with objects necessitates anticipatory postural stabilization. So, I would like to know how we can investigate the adaptation of anticipatory postural control in a novel and unpredictable situation (e.g.
pushing an unknown weight, in older adults; or peforming a secondary manual task = dual task).
Different variables (or parameters) related to the center of pressure has been created to determinate how the human postural control (or postural balance) is manteined or modified on a different situation. One of this variables is the displacement of the Center Of Pressure (COP) wich is gived in milimeters.
When we use different devices to measure this parameter, those devices usually give us two different values: the average of the COP displacement and the Standar Deviation of the COP displacement. As i Understand, the average of the COP displacement is an intermediate value set from a group of different values, while the Standar Deviation of the COP displacement is a value set from the variability of different values. My question is: Should we use the Average and the standar deviation of the COP as two different variables, having in count that they come from the measure of the same parameter (COP displacement)?
I have come across data which states normal postural sway around ankle in degrees, however I have not found a data in centimeter. I have seen people using Lord's sway meter to measure the postural sway and plan therapy based on the data. without having a normative data how is it possible to conclude that the sway measured is abnormal and a treatment for decreasing the sway.
It has been created a lot of variables (or parameters) of the center of pressure (Velocity, Length ...) which are used to asses and generate a clinical and biomechanical interpretation about postural balance. The gait is one of those important activities that allow us to interact with the surrounding environment, and can show how the postural balance is developing.
In order to asses the postural balance and the center of pressure, we can use different devices (force platforms, pressure insoles) which allow us to measure all the variables related to it. One of those variables is the COP velocity. Wich are the normal values of this parameter? is there a way to analyze the results of its measurement?
The study of CoM is very important, mainly to investigate the coordination between posture and movement. It's an interesting device which can help us to identify, for exemple, the postural control, the postural adjustments, or the overall subject's behavior through analysis of body segments. However, how can we interpret the CoM data results? In this specific case, amplitude and speed in A/P or M/L directions.
During small perturbations balance is kept by means ankle strategy and once this perturbation increases, the balance shift to a hip strategy. I would like to know if anyone knows about articles that made a correlation between muscle activity (by EMG) and postural strategy (by force platform), mainly hip strategy?
It is well known that A/P displacement (viewed throughout force platform) is controlled by ankle muscles (ankle strategy) and hip muscles are responsible by M/L displacement. What muscles from hip are most involved in this strategy?
There are more studies explaining about chronic pain and inability of patient to repeat the Joint Re position test in both cervical and Lumbar region. I would like to know how can we measure it precisely in clinical set up. Any reliable scale to grade the error?
I'm interested in to investigate the effects of sensory systems manipulation on postural control in girls with early and late maturation. (using sensory organization test)
Please let me know if you have related literature, suggestions or a method study about it.
Neurological control of bipedal posture
According to the literature, caffeine affects on cognitive performance (memory, attention, etc.). Also, the location of attention focus may affects postural stability. Now, what is the best research design or protocol to assess the effects of caffeine and attention focus on postural control?
We recorded EMG from ankle muscles throuh the perturbation forward and backward. Then we are going to estimate what happenings in a co-contraction just at moment af involuntary movement for keeping the equilibrium. So I want to know HMM can be a suitable model for feature extraction of EMG data? Do you have any reference about HMM and posture control?
A Nintendo board is a board which can be used as a cheap-portable device to measure COP transition in certain conditions (and with a higher rate of error in comparison to a force platform). A Kinect camera is an IR camera sensor attached to X-box console which has been used recently in research to track center of mass.
We had participants perform a perceptual categorization task on phase plots of postural data, this produces a 'perceptual map' of the stimuli where each stimulus is represented by an x,y coordinate. We also obtained several quantitative indices for the same data, visual inspection suggests that the perceptual sort and quantitative measures vary systematically - would like to back this up statistically - does anyone have suggestions? (for context see the poster attached)
How would you enhance the postural control system in elderly populations?