نتایج جستجو برای: leg
تعداد نتایج: 50067 فیلتر نتایج به سال:
The total blood flow requirements of a large muscle mass can exceed the maximal cardiac output generated by the heart during exercise. Therefore, to maintain blood pressure, muscle vasodilation must be opposed by sympathetic vasoconstriction. The primary neural signal that increases sympathetic outflow is unclear. In an effort to isolate the vasoconstricting mechanism that opposes vasodilation,...
Stepping over obstacles requires vision to guide the leading leg, but direct visual information is not available to guide the trailing leg. The neural mechanisms for establishing a stored obstacle representation and thus facilitating the trail leg trajectory in humans are unknown. Twenty-four subjects participated in one of three experiments, which were designed to investigate the contribution ...
Introduction: The aim of the current study was to measure ground reaction force and center of pressure (COP) during lower extremity perturbation in single leg standing whit knee flexion and extension in healthy subjects, in addition to revealing reliability of the device used for the related perturbation for using another studies, reliability is one of the characteristic of measuring instrumen...
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