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[Abnormal head posture is not equal to compensatory head posture].
[Zhonghua yan ke za zhi] Chinese journal of ophthalmology, 2014All head position disorders can be called abnormal head posture, but abnormal head posture is not equal to compensatory head posture. Only abnormal head posture in connection with extraocular muscle disorders can be called compensatory head posture. Compensatory head posture is usually adopted to optimize visual acuity or to obtain single binocular ...
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Head posture and loading of the cervical spine
Applied Ergonomics, 2002Calculations by Colombini et al. (Ergonomics of Working Postures. Taylor & Francis, London, 1985) showed that a line of gaze below the horizontal would load the cervical spine more than a horizontal gaze. Precision stadiometer tests were run, using seven subjects, to measure the effects on spinal length of different angles of gaze.
R A, Bonney, E N, Corlett
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Ocular Causes of Abnormal Head Postures
Ophthalmology, 1979A prospective study was undertaken to analyze the different causes of abnormal head postures on ocular bases. Eight basic mechanisms were found in a series of 188 patients. Incomitance accounted for 62.7% of the head postures and nystagmus for 20.2%. Important diagnostic criteria for evaluating patients with head postures are discussed.
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Influence of heading perception in the control of posture
Journal of Electromyography and Kinesiology, 2018The optic flow visual input directly influences the postural control. The aim of the present study was to examine the relationship between visually induced heading perception and postural stability, using optic flow stimulation. The dots were accelerated to simulate a heading direction to the left or to the right of the vertical midline.
Piras, Alessandro +3 more
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The effect of cold air on head posture
The European Journal of Orthodontics, 1986The effect of cold air on head posture was studied by taking profile photographs of a sample of 14 dental students indoors and outdoors at temperatures of $20° and −20 °C. The head posture of each subject was calculated from the photographs as the angle between a vertical line and a line passing through two pencil marks made on the subject's cheek ...
J, Huggare, O, Rönning
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2017
Most PCPs tend to think of orthomuscular causes for AHPs like muscular torticollis. All strabismologists know of children who were sent for physical therapy when in fact they had a fourth cranial nerve palsy. Conversely, strabismologists may tend to think that all patients with an AHP have an ocular cause. The truth lies somewhere in between.
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Most PCPs tend to think of orthomuscular causes for AHPs like muscular torticollis. All strabismologists know of children who were sent for physical therapy when in fact they had a fourth cranial nerve palsy. Conversely, strabismologists may tend to think that all patients with an AHP have an ocular cause. The truth lies somewhere in between.
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1985
In the conditions discussed in this chapter the head is either turned or tilted to one side, or both. The description is not comprehensive, in that abnormal posture as observed in comatose or poorly reactive patients following extensive damage to the cerebral hemispheres and/or brain stem is not analyzed. The pathophysiological mechanism underlying the
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In the conditions discussed in this chapter the head is either turned or tilted to one side, or both. The description is not comprehensive, in that abnormal posture as observed in comatose or poorly reactive patients following extensive damage to the cerebral hemispheres and/or brain stem is not analyzed. The pathophysiological mechanism underlying the
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Cardiovascular responses to head-stand posture
Journal of Applied Physiology, 1963Reports of cardiovascular responses to head-stand posture are lacking in literature. The results of the various responses, respectively, to the supine, erect, and head-stand posture, are as follows: heart rate/min 67, 84, and 69; brachial arterial pressure mm Hg 92, 90, and 108; posterior tibial arterial pressure mm Hg 98, 196, and 10; finger blood ...
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Head Posture and Acoustic Perception
Monatsschrift für Psychiatrie und Neurologie, 2008L, HALPERN, M, FEINMESSER
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