Results 321 to 330 of about 239,204 (360)
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Acta Oto-Laryngologica, 1993
We quantified the effect of vision, pressoreceptor function and proprioception on the postural stability at different ages. Altogether 212 healthy volunteers (ages from 6 to 90 years) were examined by using a computerised force platform. The sway velocity (SV) was measured with eyes open and eyes closed during quiet stance on a bare platform and a foam
M, Hytönen +3 more
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We quantified the effect of vision, pressoreceptor function and proprioception on the postural stability at different ages. Altogether 212 healthy volunteers (ages from 6 to 90 years) were examined by using a computerised force platform. The sway velocity (SV) was measured with eyes open and eyes closed during quiet stance on a bare platform and a foam
M, Hytönen +3 more
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Postural control during lifting
Journal of Biomechanics, 2002Any voluntary motion of the body causes an internal perturbation of balance. Load transfer during manual material handling may increase these perturbations. This study investigates effects of stance condition on postural control during lifting. Nineteen healthy subjects repeatedly lifted and lowered a load between a desk and a shelf.
Josef, Kollmitzer +4 more
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Postural Control in Lyric Singers
Journal of Voice, 2022Singers are unique musicians because they use their whole body as a musical instrument. Posture and proprioception are key components for a robust and healthy voice.This study aimed to analyze the postural control of lyric singers in different sensorimotor conditions.Seventeen lyric singers were compared to a control group of 12 participants in static ...
Laetitia, Peultier-Celli +3 more
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Postural control during kneeling
Experimental Brain Research, 2008Postural control was studied when the subject was kneeling with erect trunk in a quiet posture and compared to that obtained during quiet standing. The analysis was based on the center of pressure motion in the sagittal plane (CPx), both in the time and in the frequency domains.
Rinaldo André, Mezzarane +1 more
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Vestibular humanoid postural control
Journal of Physiology-Paris, 2009Many of our motor activities require stabilization against external disturbances. This especially applies to biped stance since it is inherently unstable. Disturbance compensation is mainly reactive, depending on sensory inputs and real-time sensor fusion. In humans, the vestibular system plays a major role.
Mergner, Thomas +2 more
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Current Opinion in Neurobiology, 1994
The postural control system has two main functions: first, to build up posture against gravity and ensure that balance is maintained; and second, to fix the orientation and position of the segments that serve as a reference frame for perception and action with respect to the external world.
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The postural control system has two main functions: first, to build up posture against gravity and ensure that balance is maintained; and second, to fix the orientation and position of the segments that serve as a reference frame for perception and action with respect to the external world.
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Vestibulospinal Control of Posture
2002To better understand the role of the vestibular system in postural coordination, we compared the ability of subjects with complete, bilateral loss of vestibular function and age-matched control subjects to maintain equilibrium and postural orientation during sinusoidal displacements of the support surface at a variety of frequencies.
Fay B, Horak +3 more
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Nervous mechanisms controlling body posture
Physiology & Behavior, 2007This paper briefly summarizes the studies of nervous mechanisms controlling the body posture, which were performed in the Department of Neuroscience of the Karolinska Institute during the last decade. Postural mechanisms were investigated in "animal models" of different complexity--the mollusk, lamprey, rabbit, and cat.
Tatiana G, Deliagina +3 more
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Vestibular postural control model
Kybernetik, 1972Current models for physiological components and a posture control experiment conducted with three normal subjects form the basis for a model which seeks to describe quantitatively the control of body sway when only vestibular motion cues are used. Emphasis is placed on delineating the relative functional roles of the linear and the angular acceleration
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BIOMECHANICS OF POSTURAL CONTROL
Exercise and Sport Sciences Reviews, 1982There are no separate mechanisms for posture and movement. Postural reactions are fundamental in neural organization, and movement in its most elementary form is seen as a modification of posture.D.
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