9 research outputs found

    Providing balance in vertical position after ischemic stroke

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    Ischemic changes of the function of balance are characterized by an increase in the projected area of the center and the center of pressure displacement speed. Changes in peripheral blood flow to maintain balance affects mainly the frontal plane. Changing the regulation of vascular tone in the chain of peripheral blood flow affects the performance of dynamic balance, resulting in a reduction of the integral index of the balance function. The brain ischemic death in Russia occupies the third position. As a result, the rehabilitation period after an ischemic stroke can disrupt the social and economic well-being of patients and their close relatives. One of the main consequences of stroke are violations of limb mobility (paresis, paralysis). Their degree can be reduced with the help of rehabilitation measures intended to revive the motor function of paralyzed limbs and to train a patient to remain firm upright. A stabilographic rehabilitation training apparatus with biofeedback represents one of the variants of the posture training. Stabilization rehabilitation simulator with biofeedback is one of the options for training the posture. This exercise in a playful way helps the patient improve balance performance and durability of the vertical position. The method of rehabilitation significantly improved the clinical and stabilographic parameters of the patients' balance and elasticity functions in comparison with patients whose programs did not include this method

    Balance and steadiness correction of the upright posture of patients having withstood an ischemic stroke with the help of stabilographic rehabilitation training equipment with biofeedback

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    The brain ischemic mortality rate in Russia occupies the third position. As a result, a recovery period after an ischemic stroke could undermine social and economic well-being of patients and their close relatives. One of the major consequences of a stroke includes the firm-motor defects. Their degree can be reduced with the help of rehabilitation measures intended to revive the motor function of paralyzed limbs and to train a patient to remain firm upright. A stabilographic rehabilitation training apparatus with biofeedback represents one of the variants of the posture training. This training in a playful way helps a patient to improve the balance and firmness indices of the upright position. This rehabilitation method improved considerably the patients’ clinical and stabilographic indices of the balance and firmness function in comparison with the patients whose programmes did not include this method. A patient could sense better that he/she was standing on the both lower limbs. The sensitivity in the lower limbs was intensifying or reviving. According to the additional stabilographic control tests, the total scatter of the pressure centre and the scatter in the sagittal plane, the rate of the pressure centre movement were decreasing; Romberg coefficient became normal

    Study Of Mass Losses Of Cauliflower At Storage Depending On A Packing Way

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    Tissues of fresh vegetables are characterized by the high quantity of moisture (80…96 %), active metabolism, low resistance to mechanical lesions, are spoiled fast. Metabolism in cells of tissues, so mass losses, depends on the content of water and dry substances.It is impossible to manage abiotic factors under conditions of open soil. So, there appears a necessity to study the influence of abiotic factors on the process of mass decrease at cauliflower storage that gives a possibility to prognosticate its mass losses and aptitude to storage.The aim of the study was to analyze the influence of weather conditions of the vegetation period of cauliflower, volume, specific mass and porosity of heads and packing methods on the intensity of natural mass losses of cauliflower at storage. The research gives a possibility to decrease natural losses of cauliflower heads and to prolong the storage duration of it. Cauliflower mass losses at the expanse of water evaporation depend on weather conditions of the vegetation period of the plant. It has been established, that there is a middle force reverse connection with the coefficient correlation r=–0,465 between the intensity of water evaporation at cauliflower heads storage and GTC, middle force connection with the coefficient correlation r=0,437 – with the average day temperature, and strong reverse connection r=–0,776 with the relative air humidity. There was elaborated the regression equation that gives an understanding about mass losses of cauliflower heads, packed in PF, at the expanse of water evaporation.The intensity of water evaporation of cauliflower at storage depends on package method. At packing in a stretch-film (SF), the intensity of moisture decrease, % a day, was the least, equal to 0,30–0,31. The ratio between moisture losses to ones of dry substances was 0,45–0,68. At packing in a performed stretch-film (PSF), the intensity of moisture decrease, % a day, was higher a little – 0,37–0,43.The more storage duration of cauliflower of late ripeness was provided by individual packing of heads in a polyethylene stretch-film. This packing type provided less total natural losses of products: in Skywoker F1– 6,0 %, in Kasper F1 and Santamaria F1 – 6,3 %. Natural losses for a day in variants with using a stretch-film were within 0,05–0,06 % depending on hybrid

    Studying the Loss of Mass by Cauliflower Depending on Agrobiological Factors, Varietal Features, and Package Technique

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    The aim of this study was to scientifically substantiate influence of weather conditions during vegetation season of cauliflower, the content of some components of the chemical composition, physical properties, as well as packaging techniques, on the intensity of loss of cauliflower heads during storage. We established that the following types of loss occur during storage of cauliflower: weight loss due to a decrease in dry matter, weight loss due to partial evaporation of water, development of microorganisms and physiological disorders.Weather conditions over the years of study were very variable. The sum of average daily temperatures ranged from 1,743.4 to 2,544.3 °C over the years of study, it exceeded the upper limit of the optimal amount by 58.9–380.3°C. HTC (hydrothermal coefficient) was 0.58–1.10. Humidity was sufficient during the vegetation period. Conditions of the vegetation period affected weight loss of late-ripening cauliflower heads during storage in the following way: the greatest loss was 12.8–16.9 % in control in 2015, it was less in 2016 ‒ 11.7–13.8 %, depending on a hybrid. The difference between hybrids over the years of study was significant. The natural decreases in weight loss of cauliflower heads during unpacked storage were for Casper F1 hybrid ‒ 13.7 %, for Santamaria F1 ‒ 12.7 %, for Skywalker F1 ‒ 15.5 % in 2015–2017.The intensity of moisture reduction when cauliflower was stored at a temperature of 1±0.5°C ranged from 0.27 to 9.3 %, depending on the packaging technique. The intensity of moisture evaporation in all hybrids was the same and it was 0.3 % per day under packaging by stretch film. Perforated stretch film increased the moisture evaporation slightly, from 0.37 % in Casper F1 hybrid to 0.43 in Skywalker F1 hybrid. The ratio of moisture loss to the loss of dry matter ranged from 11.2 in heads of Santamaria F1 to 13.2 in heads of Casper F1 during storage without packaging. And it was 0.23–0.23 when stored under SF, and 0.35–0.43 during storage under PSF.We found out the correlation between cauliflower weight loss during storage on HTC, average daily temperature, and relative humidity of air in the vegetation period and on dry matter content, volume, and porosity of a head. The regression equations made it possible to forecast cauliflower weight loss during storage, depending on weather conditions of the vegetation period and on the dry matter content and physical indicators of heads

    The Shopl'skil Effect as an Analytical Tool

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