Posture Dependence
Posture Dependence - Related Videos
14:52
Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Cited by 57 •
2013
Individuals with intermittent claudication exhibit poor balance compared to healthy controls. Computerized dynamic posturography is an objective method for measuring an individual's postural responses to balance disturbances. This provides an objective reflection of the person’s ability to respond to situations under which sensory stimuli are altered and unexpected perturbations occur.
09:37
Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults
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Cited by 5 •
2016
The aim was to substantiate optimal use of data collection techniques for Nordic walking gait and posture analysis. Three-dimensional motion capture should be used during short duration analysis (i.e. single gait cycle), while accelerometry should be employed for longer duration analysis (i.e. repeated cycles) like a 6 Minute Walk Test.
12:18
An Instrumented Pull Test to Characterize Postural Responses
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Cited by 1 •
2019
Impairment of postural reflexes, termed postural instability, is difficult to quantify. Clinical assessments such as the pull test suffer issues with reliability and scaling. Here, we present an instrumented version of the pull test to objectively characterize postural responses.
08:11
Assessing Forelimb Function after Unilateral Cervical SCI using Novel Tasks: Limb Step-alternation, Postural Instability and Pasta Handling
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Cited by 9 •
2013
Three new behavioral tests (forelimb step-alternation, postural instability test, pasta handling test) for evaluating forelimb function after cervical spinal cord injury in rodents are described.
08:12
Experimental Methods to Study Human Postural Control
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Cited by 25 •
2019
This article presents an experimental/analytic framework to study human postural control. The protocol provides step-by-step procedures for performing standing experiments, measuring body kinematics and kinetics signals, and analyzing the results to provide insight into the mechanisms underlying human postural control.
FAQs
Proprioceptive feedback reports the body’s configuration, while vestibular feedback provides information related to balance and orientation. Together, these signals help the nervous system adjust movement and other responses when posture changes. Their contribution matters because altered body position can change how an organism coordinates action, maintains stability, and responds to the same external stimulus.
A change in posture modifies sensory input, muscle activity, balance requirements, and biomechanical constraints. As a result, the nervous system evaluates and responds to a stimulus within a different physical and sensory context. Posture dependence therefore helps explain variation in attention, movement, and physiological responses without assuming that the stimulus itself has changed.
Body posture can alter how an animal presents a display and how that display is produced or perceived. Because posture affects orientation, muscle activity, and movement constraints, researchers can examine communication as an interaction between visible behavior and the animal’s physical configuration. This perspective supports comparative studies of how animals use body displays in behavior.
Researchers should treat body position and orientation as experimental conditions rather than incidental details. They can compare responses across controlled postures while monitoring the behavioral or physiological outcome of interest. Recording posture alongside movement, attention, or response measures helps distinguish effects associated with body configuration from effects associated with the stimulus or task.
Posture dependence is relevant to neuroscience, comparative behavior, ergonomics, rehabilitation, and experimental design. In neuroscience, it helps connect body configuration with sensory and motor responses. Ergonomics and rehabilitation can use the principle to consider how posture affects performance or movement. Comparative behavior research applies it to communication and other posture-linked actions.
Studies may examine changes in behavior, perception, physiological responses, attention, or motor performance across body positions. They can also assess how posture-related sensory feedback supports movement adjustment and balance. These outcomes help researchers determine whether a response varies with body configuration and clarify the behavioral significance of controlling posture during experiments.