نتایج جستجو برای: speed 15
تعداد نتایج: 693681 فیلتر نتایج به سال:
BACKGROUND Emerging evidence indicates an association between cognitive function and physical performance in late life. This study examines the relationship between cognitive function and subsequent gait speed decline among high-functioning older adults. METHODS Measures of global cognitive function (Modified Mini Mental State Examination [3MS]) and executive control function (ECF) (a clock d...
One artifact from my childhood in the 1960’s that I still remember vividly is the series of plastic slidingblock puzzles manufactured by The Roalex Company of Forest Hills, NY (no relation to the maker of fine timepieces). These consisted of a high-quality plastic puzzle glued to a piece of cardboard containing information about the puzzle. Most of their sixty or so different designs were based...
We show that the mixing time for the fifteen puzzle in an n× n torus is on the order of n logn.
The aim of this study was to examine the effects of an 8-week speed training program on the acceleration ability and maximum speed at 11 years athletes. A total of 30 healthy female athletes volunteered to participate in this study. They were divided randomly into 1 of 2 groups: Experimental group (EG; N = 15) and control group (CG; N = 15). The mean (SD) age was 11.20 +/- 0.32 years, height wa...
Objective: In recent years, it has been focused much attention on gait analysis. Factors such as speed, age and gender affect gait parameters. The purpose of the present study was to compare the electromyographic activity pattern of knee two-joint muscles between younger and older subjects in different gait speeds. Matterials & Methods: The method of current study was analytical cross-sectio...
paddy de-awning using a de-awner increases the uniformity and flow rate of paddy grains through the orifices of hoppers, bucket elevators and chutes. in this study the effects of paddy variety, rotational blade speed and moisture content on performance of a prototype de-awner machine were investigated. the experiment was conducted in a factorial design with three factors, variety (hashemi and b...
........................................................................................................................................ 4 Introduction .................................................................................................................................. 5 Background: The GEC Study .........................................................................................
The perceived speed of moving objects has long been known to depend on image contrast. Lowering the contrast of first-order motion stimuli typically decreases perceived speed - the well-known "Thompson effect". It has been suggested that contrast-dependent biases are the result of optimal inference by the visual system, whereby unreliable sensory information is combined with prior beliefs. The ...
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