postural sway

The Past

Dr. Fred Illi (famous early chiropractor from Switzerland) developed the first four-quadrant weight scale in the mid-twentieth century. The idea was to determine the location of the center of gravity of a patient in quiet standing. The thought being the further from the center, the more physical stress the body would be under.

A reliability assessment of four-quadrant weight-scale measurements

In the mid 1980’s, I developed a four-quadrant weight scale using computerized scales. We could not only measure the center of pressure (what we used to think was center of gravity), but could also measure the postural sway over a short time period. Two papers were written using this device.

The Training of Older Patients to Improve Balance

A VALIDATION STUDY OF A CENTER OF GRAVITY LOCATOR

The Present

In 2018 we built a new model, THE CENTRE OF PRESSURE SCALE.

Measuring postural sway in the standing position is the focus of much research right now.

Complexity of Postural Sway

Intrasession Reliability of CoP

Multiscale Entropy

Postural Control Deficits

Posture CoP

Predictors of Balance

Trajectory in Postural Sway

Sample Entropy

Short-Term Repeatability

Postural stability measures 

Effects of Sound on Postural Stability during Quiet Standing

Medio-Lateral Postural Instability in Subjects with Tinnitus

Postural Control and Age

Consciously postural sway and cervical vertigo after whiplash injury

Differentiating malingering balance disorder patients from healthy controls, compensated unilateral vestibular loss, and whiplash patients using stance and gait posturography.

Nonlinear variability of body sway in patients with phobic postural vertigo

Postural Stability and Neuropsychological Deficits After Concussion in Collegiate Athletes

The Effect of Cognitive Task Complexity on Postural Sway in Adults Following Concussion

Visually Induced Postural Sway in Anxiety Disorders

Postural sway in migraine patients and controls, results from a population based CAMERA-2 study

Is Balance Normal in Migraineurs Without History of Vertigo?

Altered postural sway in patients suffering from non-specific neck pain and whiplash associated disorder – A systematic review of the literature

Instant reduction in postural sway during quiet standing by intraoral dental appliance in patients with Whiplash associated Disorders and non-trauma neck pain

Effectiveness of Exercise Interventions to Improve Postural Control in Older Adults: A Systematic Review and Meta-Analyses of Centre of Pressure Measurements

Reliability of Postural Sway Measures of Standing Balance Tasks

Limit cycle oscillations in standing human posture

Day-to-Day Variability of Postural Sway and Its Association With Cognitive Function in Older Adults: A Pilot Study

Out of Balance – Postural Control in Cancer Patients Before and After Neurotoxic Chemotherapy

Impaired Postural Control and Altered Sensory Organization During Quiet Stance Following Neurotoxic Chemotherapy: A Preliminary Study

Functional near-infrared spectroscopy reveals the compensatory potential of pre-frontal cortical activity for standing balance in young and older adults

The role of vestibular cues in postural sway

Different Methods of Calculating Body Sway Area

Postural Control in Bipolar Disorder: Increased Sway Area and Decreased Dynamical Complexity

Postural Control in Childhood: Investigating the Neurodevelopmental Gradient Hypothesis

The Effects of Whole Body Vibration on the Limits of Stability in Adults With Subacute Ankle Injury

Relation of arterial stiffness with postural control in older people

Cortical correlates in upright dynamic and static balance in the elderly

Effects of age, sex and task on postural sway during quiet stance

A review of center of pressure (COP) variables to quantify standing balance in elderly people: Algorithms and open‐access code*

Effect of dynamic tape on postural sway in individuals with chronic ankle instability

The reliability of a rambling–trembling analysis of center of pressure measures

Rambling-trembling center-of-pressure decomposition reveals distinct sway responses to simulated somatosensory deficit

Effect of local somatosensory stimulus on postural sway during sit-to-stand movement in the elderly

Altered neuromuscular activity and postural stability during standing balance tasks in persons with non-specific neck pain

Prolonged standing behaviour in people with joint hypermobility syndrome

Quantitative Assessment of Balance for Accurate Prediction of Return to Sport From Sport-Related Concussion

An analysis on the determinants of head to pelvic balance in a Chinese adult population

It should be seen that this device is good for both assessment and outcomes measurements for conditions such as concussions and risk of falling.

The Future

As data is collected and stored, machine learning will determine various common patterns of center of pressure procession. As the clinician collects samples, he sends them to a prescribed data bank. These new patterns may be indicators for many conditions outside of post-concussion symptoms and falling risks.

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