نتایج جستجو برای: tandem stance and time
تعداد نتایج: 16998672 فیلتر نتایج به سال:
Objective: Sensory systems including proprioceptive, vestibular and visual network play an important role in motor control. Loss of information from each sensory channel can cause body sway on static positions. Materials & Methods: Seventeen blind children (9 girls, 8 boys) and 30 deaf children (14 girls, 16 boys) participated as the sample groups in Ardabil city. Sixteen normal children (30...
[Purpose] The present study aimed to clarify the effects of balance control on the pronation and supination movements of the talocrural joint in community-dwelling elderly women by conducting a frequency analysis of the center of pressure during tandem stance. [Subjects and Methods] The study participants were 18 subjects who maintained tandem stance for 20 s and 11 who had difficulty maintaini...
The centre of pressure (COP) movement during stance maintenance on a stable surface is commonly used to describe and evaluate static balance. The aim of our study was to test sensitivity of individual COP parameters to different stance positions which were used to address size specific changes in the support surface. Twenty-nine subjects participated in the study. They carried out three 60-seco...
Sway is reduced by light nonsupporting touch between parts of the body and a fixed surface. This effect is assumed to reflect augmentation of sensory cues for sway by point-of-contact reaction forces. It has been shown that movement of the contact surface can increase sway relative to an earth-fixed contact. Light touch contact with another person, for example, holding hands, affords a moving c...
the postural control system is a complex motor system which is formed basedon an interaction of different dynamic processes and many laboratory techniquesrecognize performance disorders using a wide range of neurological signs andsymptoms. the present research aimed to assess the reliability of commonly usedclinical measures of balance and to investigate the effect of age, height, weight andbmi...
PURPOSE This study explored the usefulness of measures commonly employed in the examination of persons with balance impairment to discriminate between performances of young and older adults and older adults with and without neurological disease. METHODS Eighteen young adults, 22 healthy older adults, 12 individuals with Parkinson disease, and 20 older adults with peripheral neuropathy were re...
BACKGROUND The aim of this study was to quantify postural control ability in a group with concussion compared with a healthy control group. METHOD Fifteen concussion patients (4 females, 11 males) and a group of fifteen age- and sex-matched controls were recruited. Participants were tested during the performance of the three stance variants (bilateral, tandem and unilateral) of the balance er...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...
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