Questions related to Posture
Hi, is there any expert who works with Actigraph accelerometers (gt3x, gt3x+, wgt3x-BT). In one study we started using wgt3x-BT - data processing via Acti4 (Denmark soft). When replacing the wgt3x-BT device with the wgt3x+, the Acti4 software is not able to correctly recognize posture (sitting vs. lying). Probably due to different axis marking. Do you know if the gt3x+ has the same axes as the wgt3x-BT? Respectively, does anyone have any experience of processing data using a combination of 'gt3x+ or wgt3x+' and Acti4 software? Thanks for the help.
I am a fourth year dentistry student studying at the University of Ghent, Belgium. In my thesis I need to analyse data, but can't seem to find the appropriate statistical test.
First of all I want to compare tongue posture between 3 different groups. Tongue posture will be evaluated as a nominal variable (normal-convex tonge posture, low-flat tongue posture, low-convex tongue posture, inconclusive tongue posture). This will be evaluated in the sagittal plane and the frontal plane.
Secondly, I want to compare tongue function between the three groups in a quantitative analysis, between these 3 groups.
Would be great to hear your advice on this one.
Thanks in advance.
Aim of this study is to set point whether different typ of gun holsters affect the body’s biomechanics and if so by choosing the right type of holster, influences on the posture can be reduced and postural deformity’s be limited or prevented.
My project is to design work space for wheel-chair users (Disable people). For this I need a software for static and dynamic analyse on postures, load on different joints and other information. So, requested to provide a suggestion from experts.
While doing repetitive breathing in a standing position, kept my hands about two inches apart parallel to each other and concentrated on the centre of the palms. I felt the heat sensation for 10 seconds and then changed to the attraction (magnetic) when hands were kept at a distance of 3 inches. After visiting the temple, it was found to increase two more inches. The Ruler was used to measure the distance between the hands. Is it possible to mention the measurement technique as a Psychophysical approach?
I am analyzing videos of conversational situations (persons are seated), and am now looking for a computer-based method / software to detect postures or movements from videos where no sensors have been used. I am familiar with Motion Energy Analysis, but am looking for a software where it is possible to detect the movement form (temporal dynamic structure and direction of the movement) as well as static postures.
Any kind of suggestions on movement and posture recognizing software are warmly welcome.
Thanks in advance,
I am looking to investigate the impact of mindfulness exercises on posture and I was wondering if anyone can recommend or suggest any tools or scales they know of that can be used to measure posture?
Piriformis syndrome (PS) is an elusive, benign medical condition. Patients usually complaint deep-seated gluteal pain with some aggravating and relieving factors. Regarding aggravating factors, prolonged sitting on the affected side, affected side lying, posture change - standing from sitting, forward bending, etc. are common, whereas walking relives pain somewhat, especially in chronic cases. In acute PS, patients have pain relieving posture finding difficulty, physicians also get confused it with more prevalent low back pain diagnosis, namely prolapsed lumbar intervertebral disc (PLID).
PS is a disorder of exclusion of clinical mimics and it has no definite cause; in literature, lumbar spinal stenosis, leg-length inequality, professional dancers, fibromyalgia, previous fall, blunt gluteal trauma, etc. are mentioned as its risk factors. Sporadic case reports and our recent systematic review addressed infective cause of piriformis muscle injury, where patients complain of clinical features unlike of PS. In piriformis muscle (PM) infection, patients report of persistent deep gluteal pain that doesn't change with posture, patients also have fever and raised laboratory inflammatory markers (raised WBC count, ESR & CRP). Moreover, there may be characteristic MRI changes in the deep-seated gluteal and pelvic structures including PM. Pain medications & PM stretching exercise don't help patient anyway, they need antimicrobials as well; when antibiotics don't work, surgical drainage of PM is required. Like in PS, intra-lesional steroid is contraindicated here. If piriformis pyomyositis is left undiagnosed and untreated precisely, life-threatening consequences may be the outcomes, hence we can consider the piriformis pyomyositis as the PM emergency.
What do you think?
Suggested reading :
1. Siddiq AB, Danny Clegg, Hasan SA, Rasker JJ. Extra-spinal sciatica and sciatica mimics – a scoping review. Korean J Pain 2020; 33:305-317.
2. Siddiq AB, Rasker JJ. Piriformis pyomyositis, a cause of piriformis syndrome – A systematic search and review. Clin Rheumatol 2019; 38:1811-1821.
I am working on a ML project that recognize the posture using the webcam. So, i need a dataset of people sitting in front the webcam (studying, gaming, video calling...etc)
A recent study has suggested not to use the confidence ellipse area but instead a prediction ellipse area. However, both of these are in my mind inferences statistics. I think we simply should describe the ellipse area by a standard ellipse based on i.e. 90% of the datapoints. Am I wrong?
how can I calculate the moment of inertia and the damping Coefficient of human hip joint during the lifting tasks (squat posture)?
by use the anthropocentric information presented in the table in (Winter, 2009), I have got the estimation value of moment of inertia for the whole leg about the hip joint which is calculated by the moment of inertia of the lower limb about its proximal end, but it is not the exactly value moment of inertia during the lifting tasks (squat posture).
is there any way that I can determine the value accurately?
thanks in advance for all the response
Passing to the Tensa hill station I came across lot of hooding/flex/ banner containing half naked black men with the posture of cutting tree with axes. On the top of the hill I saw many JCB are engaged in clearing forest and drawing under earth's natural resources.
Who is responsible for large scale deforestation?
Why this advertisement?
My hypothesis is that diagnosing center of pressure on using pedobariagraphy with a goal of normalizing or optimizing the CoP as a treatment goal will eventually in too many cases, via biomechanical compensations driven up the posture, lead to new complaints n=1.
1. When studies on posture and MSDs are conducted, is it mandatory to write the pain parts in medical terminologies like Thoracic, Lumbar region for report writing or can it be in simple terms as back, neck, shoulder etc?
2. When talking about the height, reach and work surface, is it again a mandatory to write as buttock to popliteal height, or just in simple terms as seating distance between the stool and the edge of work surface?
To all of my like minded colleagues:
Based on the fact that there has been a dearth of high level, peer reviewed study and research when it comes to lower extremity biomechanics over the past 2-3 decades, I am making the claim that all those practicing & researching this field must be suffering from Biomechanics Imposter Syndrome.
Personally, I feel this most when I am lecturing in front of hundreds of paying attendees at a conference interested in upgrading themselves in functional lower extremity biomechanics telling tell not to trust professional expert opinions as gospel when the best I can claim to have accomplished in my decades being called an international guru on the subject that I am no more than a professional expert myself.
Every time my peers posture (pun intended) away from the science and physics mandating that the foot is the primary functional organ of human stance & movement , they guarantee that at some moments in their lives, they sit alone knowing they suffer from BIS.
Is it time to stop "Waiting For The Evidence to Surface" that never will because of the archaic rules of evidence themselves and admit that biomechanics is both art & science and more one claims scientific mastery over it, the more he/she is on some level an imposter.
I suffer from BIS, Do You!
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 am looking to do an image classification to detect aggressive body language from photos but I couldn't find any labeled data set online. I am mainly looking for photos of people with an aggressive posture, but if you find some general body language data set that would also help me in building the model.
I am working on a project at which I have to estimate and then compare the posture of beginner skiing athlete to the professional skiing athlete from the frames or some videos. So, I need suggestions that which standards or parameters should I keep in my mind during comparison? Can anyone recommend me useful articles or links?
Thanking you in anticipation and looking forward to your courteous response.
I intend to run a replication. In this replication participants rank 4 persons in 4 different body postures. They rank them on intelligence, confidence etc.
For this study we have 4 picture sets with 4 pictures each. Each set has each posture and each person one time, but in different Combinations.
I want to know if being female or male on the picture or having a closed or open posture on the picture, influence the rankings.
I want to use a (binary) logistic regerssion
Now my question:
Can I use Logistic regression for this data?
To me it looks like, I do not have 200 participants, but 800 because each participant ranks 4 picture and each picture has a ranking position.
Would I hurt assumptions if I feeded spss like this,? The 800 'data points' are not independent, because every participant created 4.
Thanks for any help and advice!
I wondered if you have ever heard about studies that demonstrated a tendency to approach painful visual stimuli in term of posture ?
Also have you ever heard about such results differeing between subjective responses of participants in term of approach-avoidance feeling and objective postural measures ?
The Erector Spinae muscle actually consists of three columns of muscles, the Iliocostalis, Longissimus, and Spinalis, each running parallel on either outer side of the Vertebra and extending from the lower back of the skull all the way down to the Pelvis. but which of them is so important and active during standing posture??and How could I recognize them for placing The EMG?
I am biased as the innovator of The Inclined Posture.
I am looking to develop and support research to answer these questions as not much exists.
about my new article I need to know more and more related views and doing better revision about ankle sprain in related to sport, motor command and balance control strategy
I used EMG, Force plate+ motion analysis to assess control of posture...
could you ready to collaborate as co-author?
this is before any manuscript state.
I look forward to hearing from you soon,
We are gathering information on the damaging effects of poor posture any recent research or leads can help us with our project thank you for your support and sharing your knowledge.
What is the type of fibres activated in this situation? Fast glycolytic fibres or all types within the same muscle? is the force distributed equally between different types of fibres?
What is the type of contraction? Isometric or Concentric?
What is the type of stimulation? Forward or inverse stimulation?
Is the Hill model still applicable in that case?
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 18.104.22.168 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?
I am trying to populate a CATIA manikin with preferred angles and zones of comfort in order to run an ergonomics analysis. However, I am struggling to decipher zones of comfort for sitting posture angles, particularly the ankles and hips. I have come across literature on driving but in my case I have manikins doing upper body tasks only. From what I have read I can gather what the optimal sitting position is but have found no indications as to how to go about segmenting comfort zones past certain angular thresholds.
Has anyone any data, experience or references for this that you could point me too?
We often see positivism and constructivisim as opposed paradigme in conducting research study. I know that quantitative studies are the best data collection method we can use in a positive paradigme. That this mean that qualtitative methods are related to constructivism (or phenomenology). What are typical methods used in constructivism paradigmes. Thank you all for your feedbacks
The cuff-based blood pressure (BP) measurement can be affected by patient posture, compliance, etc. I wonder if the the left ventricle blood pressure that causes opening of aortic valve (which is also before the blood ejection) is the true blood pressure. Just a thought. Is there any animal/modeling study about measuring BP from different locations in cardiovascular system? Thanks
The paper as it stands offers a good account of a research project, but it needs much more attention to the broader sources for the ideas it draws on and to which it might make a contribution. As a minimum, I would ask the authors to rewrite the paper so that the readership might see how the work is positioned with respect to the problematics of the politics of globalizing knowledge production, the place of the kind of work they are doing in these processes, and the implications for what counts as knowledge and in whose interests this work serves. Also, the paper as it stands is not positioned strongly enough from a theoretical point of view- what are the disciplinary underpinnings and how does the research draw on and contribute to these
The Classic forward and backward facing seated position have been well understood from a comfort evaluation point of view. I am looking for comparative studies of the comfort evaluation by passengers of forward, backward and longitudinal orientations.
As a physio, I see links between these areas in practice and would like to know what evidence, if any, exists to support or refute any connections between
1) posture and pain
2) how breasts and bra-fitting can influence posture
3) how breasts and bra-fitting can influence pain.
I have to run several simulation on which one of the entry data is the average (plus sigma) height of people at eye-level in two positions: Standing up and sitting down in an office chair.
Currently I have the average full height (plus sigma) of the population studied.
Any idea of how I can obtain those values ?
I want to start indepth examination of postural deviations in patients with musculoskeletal disorders. Please suggest me a reliable and valid tool for the same.
I am working on the CMDQ scores and would like to get a answer from my fellow research gate members.
1. How to interpret the scores and the statistical analysis for CMDQ values?
2. Which graph suits best to show the pain points?
3. How do you compare RULA and CMDQ scores?
4. Is it necessary for a researcher to do both tools- RULA and CMDQ for Posture analysis?
I'm trying to document the insects, spiders, etc that live in or visit my backyard habitat. The other day this creature (or two of them, maybe in mating postures) showed up in the yard on a stand of goldenrod, which hasn't bloomed yet here. Can anyone tell me what it (they) might be?
If a 73 year old patient presents to your clinic with chief concern of inability to eat. You find that the patient has unstable occlusion as a result of erosive tooth surface loss. Moreover the patient has a forward head posture with a stooping back.
Where should the final occlusion be set? and how?
I have crossed CCR2-CreERT2 mice (marks inflammatory monocytes; we received them from Becher's group) to a floxed-gene of interest. We are looking at inflammatory monocytes and they have a relatively high turnover rate, so we need to have the mice on tamoxifen for an extended period of time (about 4 weeks). This is similar to what has been reported from Becher's group (except those mice were on tamoxifen feed for 3 weeks).
Anyway, I have my first cohort of mice, and I've started to treat them with tamoxifen-feed (it's the tamoxifen-citrate at 40 mg/kg from Envigo, the lowest dose). All of my mice are heterozygotes for CreER, and there are littermates of either flox/flox, flox/+, or wildtype for my gene of interest in each cage. About two to three weeks in to treatment, most of the treated mice begin to develop hunched posture, but are active and alert. A few days later, 4 out of the 8 treated mice died. Only 1 of the 4 is flox/flox for my gene of interest, so I can't say that it is a gene effect. The only thing these mice have in common is that they are heterozygote for CreER.
Has anyone worked with these mice, or has experienced this type of tamoxifen toxicity? I'm not sure if it's a background issue. It is a dose that is standard and I am clueless as to why this is happening.
Thanks for your help!
I'm looking for recommendations on what type of interviews are best to discover a concept in social sciences that is very fuzzy, and nearly unexplored in the literature (could only find one peer-reviewed article on it). For research safety reasons (!), I'd rather not mention what the concept is, but I can say it manifests behaviorally at the individual-level through voice, posture, body language, etc. Since this is a concept at a research level zero, I wonder if doing structured interviews is advised? Or should we go with pure long interview types?
I am trying to measure the drill string posture during the drilling in lab experiment. I found it is difficult to do it. Maybe high frequent camera is possible to do it, while it has a huge work to transfer the pictures to the data.
Could you provide me some measure method in rotating beam?
“Hemodynamics as a possible internal mechanical disturbance to balance” by Conforto et al. (2001, Gait and Posture 14, 28–35) studied this issue, but I’m interested in the question the authors asked in their publication: “Is this hemodynamic perturbation and its mechanical effect on the entire body quantitatively relevant within the process of balance control?” More specifically, could this effect be relevant in elite level rifle and pistol shooting, biathlon, archery,....?
In designing school furnitures awareness regarding biomechanics,muscle recruitment,loading and offloading is crucial to avoid postural issues in teenagers which ultimately leads to healthy future.
I have heard of Lowery's 5-item cluster ((1) a history of "catching" or "locking" as reported by the patient, (2) pain with forced hyperextension, (3) pain with maximum flexion, (4) pain or an audible click with McMurray's maneuver, and (5) joint line tenderness to palpation), just wanted to see what other clusters have proven successful for clinical examination
I want to compare the performance of my athletes (14-19 years old) to normative data to know whether their time of the 30m flying is above average or not. Thanks in advance!
I am looking for more recent studies developing Peter E. Bull's study of Posture (1987). Any scientific/experimental validations of inferences of specific personality traits from posture and gait?
Have you ever heard of medical or paramedical operators who are performing heart ultrasound scan ? I search about the best postures they can hold during this kind of medical exams ? Do you know of any survey ?
Morphogenesis is dependant of the functionalitiy of an organism from birth on.Form follows function.
Is there research available or in progress on the functional characteristics of the thoracolumbar spine in relation with the knowledge on early onset kyphosis ( malignement, bad posture) in children ?Due to the high incidence of back pain in children a search is made for correct etiologic factors
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.
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.
Relative involvement of different muscles in the postural changes and maintaining balancing needs to assessed, This will help us in creating the assessment of postural imbalances in normal individuals which can cause undue overload on few other joints like knee joint which would lead to development of OA. Thus preventive measures can be adopted through postural training!