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Artykuły w czasopismach na temat „Whole body vibration”

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Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 21 lutego 2023

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1

Bible, Jesse E., Songphan Choemprayong, Kevin R. OʼNeill, Clinton J. Devin i Dan M. Spengler. "Whole-Body Vibration". Spine 37, nr 21 (październik 2012): E1348—E1355. http://dx.doi.org/10.1097/brs.0b013e3182697a47.

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&NA;. "Whole-Body Vibration". Back Letter 13, nr 9 (wrzesień 1998): 108. http://dx.doi.org/10.1097/00130561-199809000-00011.

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Dolny, Dennis G., i G. Francis Cisco Reyes. "Whole Body Vibration Exercise". Current Sports Medicine Reports 7, nr 3 (maj 2008): 152–57. http://dx.doi.org/10.1097/01.csmr.0000319708.18052.a1.

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Azizan, Amzar, i Husna Padil. "Lane keeping performances subjected to whole-body vibrations". International Journal of Engineering & Technology 7, nr 4.13 (9.10.2018): 1. http://dx.doi.org/10.14419/ijet.v7i4.13.21318.

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Despite the fact that many research have been carried out on the characterization of the effects of whole-body vibration on seated occupants’ comfort, there is still very little scientific knowledge regarding drowsiness caused by the vibrations. Furthermore, there are less verified measurement methods available to quantify the whole body vibration-induced drowsiness of the vehicle occupants. This study is therefore set out to evaluate the effect of vibrations on drowsiness. 20 male volunteers have been recruited for this experiment. The data for this study is gathered from 10-minute simulated driving sessions under both no-vibration conditions and with a vibration that is randomly organized. Gaussian random vibration, with 1-15 Hz frequency bandwidth at 0.2 ms-2 r.m.s. for 30 minutes, is applied. During the driving session, the volunteers are required to obey the speed limit of a 100 kph and keep a consistent position in the left-hand lane. The deviation in the lateral position are recorded and analyzed. Additionally, the volunteers are also asked to rate their subjective drowsiness level by means of Karolinska Sleepiness Scale (KSS) scores for every five minutes. Based on the results, the role of vibration in promoting drowsiness can be observed from the driving impairment following 30-mins exposure to vibration.

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5

Friesenbichler, Bernd, Benno M. Nigg i Jeff F. Dunn. "Local metabolic rate during whole body vibration". Journal of Applied Physiology 114, nr 10 (15.05.2013): 1421–25. http://dx.doi.org/10.1152/japplphysiol.01512.2012.

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Whole body vibration (WBV) platforms are currently used for muscle training and rehabilitation. However, the effectiveness of WBV training remains elusive, since scientific studies vary largely in the vibration parameters used. The origin of this issue may be related to a lack in understanding of the training intensity that is imposed on individual muscles by WBV. Therefore, this study evaluates the training intensity in terms of metabolic rate of two lower-extremity muscles during WBV under different vibration parameters. Fourteen healthy male subjects were randomly exposed to 0 (control)-, 10-, 17-, and 28-Hz vibrations while standing upright on a vibration platform. A near-infrared spectrometer was used to determine the gastrocnemius medialis (GM) and vastus lateralis (VL) muscles' metabolic rates during arterial occlusion. The metabolic rates during each vibration condition were significantly higher compared with control for both muscles ( P < 0.05). Each increase in vibration frequency translated into a significantly higher metabolic rate than the previous lower frequency ( P < 0.05) for both muscles. The current study showed that the local metabolic rate during WBV at 28 Hz was on average 5.4 times (GM) and 3.7 times (VL) of the control metabolic rate. The substantial changes in local metabolic rate indicate that WBV may represent a significant local training stimulus for particular leg muscles.

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6

Ozkaya, Nihat, Bernardus Willems, David Goldsheyder i Margareta Nordin. "Whole-Body Vibration Exposure Experienced by Subway Train Operators". Journal of Low Frequency Noise, Vibration and Active Control 13, nr 1 (marzec 1994): 13–18. http://dx.doi.org/10.1177/026309239401300103.

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Purposes of the study were to measure mechanical vibrations transmitted to train operators, to calculate daily whole-body vibration exposure levels, to compare measured levels with maximum acceptable exposure levels according to the international standard on whole-body vibration, to identify factors that influence vibration levels, and to quantify the effects of these factors on the measured levels. As a result of this study, it was determined that six out of twenty subway lines had vibration levels higher than the daily exposure limits recommended by the international standard, and that train speed was the most significant factor influencing the vibration levels.

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7

Jaganmohan, M. Rao, S. P. Sivapirakasham, K. R. Balasubramanian i K. T. Sreenath. "Investigation of Whole Body Vibration on Urban Midi Bus". Applied Mechanics and Materials 592-594 (lipiec 2014): 2066–70. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.2066.

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The objective of the study is to measure the whole body vibration (WBV) transmitted to the driver as well as the passengers during the operation of bus and to compare results with ISO 2631-1(1997) comfort chart and health guidance criteria. In this study, vibration exposure of the driver, passenger in the mid row seat and passenger in the rear row seat were measured at different operating conditions (static and dynamic). The BMI (Body Mass Index) was maintained for driver and passengers. The results of static test showed that the driver seat produced more vibrations compared to the passenger's mid row and rear row seat. This is due to the fact that driver seat was positioned close to the engine cabin. The results of dynamic test showed that, in all cases, the rear seat produced maximum vibrations. At 40 km/h speed the vibration magnitude exceeded the exposure limit at all tested seats. This high vibration magnitude might be due to the resonance effect caused between engine and chassis vibrations.

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8

&NA;. "Thematic Poster - Whole Body Vibration". Medicine & Science in Sports & Exercise 40, Supplement (maj 2008): 47. http://dx.doi.org/10.1249/01.mss.0000321002.82809.6e.

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9

Parsons, K. C., i M. J. Griffin. "Whole-body vibration perception thresholds". Journal of Sound and Vibration 121, nr 2 (marzec 1988): 237–58. http://dx.doi.org/10.1016/s0022-460x(88)80027-0.

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10

Oroszi, Tamás, Marieke J. G. van Heuvelen, Csaba Nyakas i Eddy A. van der Zee. "Vibration detection: its function and recent advances in medical applications". F1000Research 9 (17.06.2020): 619. http://dx.doi.org/10.12688/f1000research.22649.1.

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Vibrations are all around us. We can detect vibrations with sensitive skin mechanoreceptors, but our conscious awareness of the presence of vibrations is often limited. Nevertheless, vibrations play a role in our everyday life. Here, we briefly describe the function of vibration detection and how it can be used for medical applications by way of whole body vibration. Strong vibrations can be harmful, but milder vibrations can be beneficial, although to what extent and how large the clinical relevance is are still controversial. Whole body vibration can be applied via a vibrating platform, used in both animal and human research. Recent findings make clear that the mode of action is twofold: next to the rather well-known exercise (muscle) component, it also has a sensory (skin) component. Notably, the sensory (skin) component stimulating the brain has potential for several purposes including improvements in brain-related disorders. Combining these two components by selecting the optimal settings in whole body vibration has clear potential for medical applications. To realize this, the field needs more standardized and personalized protocols. It should tackle what could be considered the “Big Five” variables of whole body vibration designs: vibration amplitude, vibration frequency, method of application, session duration/frequency, and total intervention duration. Unraveling the underlying mechanisms by translational research can help to determine the optimal settings. Many systematic reviews on whole body vibration end with the conclusion that the findings are promising yet inconclusive. This is mainly because of the large variation in the “Big Five” settings between studies and incomplete reporting of methodological details hindering reproducibility. We are of the opinion that when (part of) these optimal settings are being realized, a much better estimate can be given about the true potential of whole body vibration as a medical application.

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11

Picu, Mihaela, i Laurentiu Picu. "Particular aspects regarding the effects of whole body vibration exposure". MATEC Web of Conferences 148 (2018): 09005. http://dx.doi.org/10.1051/matecconf/201814809005.

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This paper analyses the influence of whole-body vibrations on human performance; for this it was investigated how a group of men (20-29 years of age) and a group of woman (21–31 years of age) answered to specific requirements after being subjected to vertical vibrations under controlled laboratory conditions for 10-25 min. The vibrations were generated by a vibrant system with known amplitudes and frequencies. Accelerations were measured with NetdB - complex system for measuring and analysing human vibration and they were found in the range 0.4 - 3.1m/s2. The subjects’ performances were determined for each vibration level using specific tests. It can be concluded that exposure to vibrations higher than those recommended by ISO 2631 significantly disrupts how subjects responded to tests requirements.

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12

Lines, Jeffrey, Mathew Stiles i Robin Whyte. "Whole Body Vibration During Tractor Driving". Journal of Low Frequency Noise, Vibration and Active Control 14, nr 2 (czerwiec 1995): 87–104. http://dx.doi.org/10.1177/026309239501400204.

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Levels of whole body ride vibration were measured on tractors and other agricultural vehicles during a wide range of normal field operations. Most of the drivers were found to be exposed to vibration levels exceeding that considered safe for 8 hours exposure per day. The highest vibration levels were on tractors doing transport tasks. Regular exposure to such vibration is considered a health risk if it exceeds 2½ hours per day. Daily vibration dose received by drivers was estimated from a sample of 60 tractor driving days. During half of these days, the drivers were exposed to a vibration dose considered by BS 6841 to cause severe discomfort and increased risk of injury. Whole body vibration on agricultural vehicles is therefore likely to be a significant long term health risk for tractor drivers.

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13

Schwendicke, Anna, i M. Ercan Altinsoy. "Frequency dependence of vertical whole-body vibration perception - is your car rattling or humming?" INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, nr 2 (1.08.2021): 4913–18. http://dx.doi.org/10.3397/in-2021-2885.

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Humans perceive whole-body vibration in many daily life situations. Often they are exposed to whole-body vibration in combination with acoustic events. Sound and vibration usually stems from the same source, for example concerts or travelling in vehicles, such as automobile, aircrafts, or ships. While we can describe acoustic stimuli using psychoacoustic descriptors such as loudness or timbre, the description human perception of whole body vibration frequently has been reduced to comfort or quality in the past. Unlike loudness or timbre, comfort and quality are dependent on the overall context. Especially in vehicles expectations might differ lot between different vehicle classes. Previous studies have evaluated a large range of suitable descriptors for whole-body vibrations that are independent of context. They suggest that certain descriptors are driven to a large extend by the frequency content of the vibration. This study systematically investigates the influence of frequency content on the perception of whole-body vibration varying frequency content and intensity of the vibrations. The results verify the frequency dependence of specific descriptors and identify the respective frequency ranges.

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14

Bressel, Eadric, Gerald Smith i Jaimie Branscomb. "Transmission of whole body vibration in children while standing". Clinical Biomechanics 25, nr 2 (luty 2010): 181–86. http://dx.doi.org/10.1016/j.clinbiomech.2009.10.016.

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15

Ko, Ying Hao, i Chia Sin Geh. "Whole Body Vibration Analysis of Baby Hammock". MATEC Web of Conferences 217 (2018): 01005. http://dx.doi.org/10.1051/matecconf/201821701005.

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Studies have been carried on the effect of rocking on a baby and concluded that baby sleeps easier while being rocked. In Malaysia, as in many Southeast Asian Countries, it is common to put babies to sleep in a baby hammock. the vertical rocking motion generated by baby hammock has exposed babies to whole-body vibration (WBV). It has been shown by ISO2631 (1997) that WBV may lead the discomfort and adverse effect on health. Standards have been set by ISO 2631 (1997) concerning the WBV for people in a recumbent position and consider weighted vibrations of more than 2 m/s2 to be extremely uncomfortable. However, standards concerning the allowable amount vibrations a baby in a baby hammock can safety endure are currently lacking. WBV analysis of the baby hammock with the weight ranged from 3kg to 14kg is conducted. For each measurement, four conditions are considered: manual rocking, auto rocking with low, medium and high speed. In this study, average root-mean-square values for the acceleration were found to be at a maximum of 2.46 m/s2, and to be above the extremely uncomfortable level. This study develops a baseline exposure time for the baby hammock before it reaches the safety values of exposure action value (EAV) and exposure limit value (ELV) set by ISO 2631(1997).

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16

Picu, Mihaela. "A Study of Vertical Vibration Transmissibility by the Human Body". Applied Mechanics and Materials 325-326 (czerwiec 2013): 152–57. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.152.

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The transmission of longitudinal vibration (generated by the vibrating platform Brüel & Kjær 4827) in the whole body of ten subjects was investigated. Altogether 200 individual tests were made. Vibration was measured with 356A16 PCB Piezotronics triaxial accelerometers fixed to the toes, ankles, lumbar, cervical, fingers, elbow and shoulder. Vibrations were analyzed with a multiple acquisition vibrations system NetdB. Data were processed using dBFA Suite. Vibration time was 1min and frequency range was between 10-40Hz, because the low frequencies are the resonance frequencies for the human body. Body vibration transmissibility was determined by the ratio of root mean square acceleration signal from accelerometer by the root mean square of acceleration signal from the vibrating platform. It was found that the accelerations at the lumbar level are more attenuated than the accelerations at the ankle level.

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17

Dabbs, Nicole C., i Stephanie M. Svoboda. "Is Whole-Body Vibration Training Effective?" Strength and Conditioning Journal 38, nr 4 (sierpień 2016): 72–74. http://dx.doi.org/10.1519/ssc.0000000000000240.

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18

Hopkins, T., J. Pak, A. Robertshaw, J. Feland, I. Hunter i M. Gage. "Whole Body Vibration and Dynamic Restraint". International Journal of Sports Medicine 29, nr 5 (kwiecień 2008): 424–28. http://dx.doi.org/10.1055/s-2007-965362.

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19

McLain, Robert F., i James N. Weinstein. "Effects of Whole Body Vibration on". Spine 19, nr 13 (lipiec 1994): 1455–61. http://dx.doi.org/10.1097/00007632-199407000-00006.

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&NA;. "Whole-Body Vibration for Back Pain". Back Letter 27, nr 3 (marzec 2012): 26. http://dx.doi.org/10.1097/01.back.0000413211.05838.7a.

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DeShaw, Jonathan, i Salam Rahmatalla. "Comprehensive measurement in whole-body vibration". Noise Notes 12, nr 1 (marzec 2013): 27–38. http://dx.doi.org/10.1260/1475-4738.12.1.27.

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DeShaw, Jonathan, i Salam Rahmatalla. "Comprehensive Measurement in Whole-Body Vibration". Journal of Low Frequency Noise, Vibration and Active Control 31, nr 2 (czerwiec 2012): 63–73. http://dx.doi.org/10.1260/0263-0923.31.2.63.

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Krajnak, Kristine. "Biological Risks of Whole Body Vibration". Medicine & Science in Sports & Exercise 41 (maj 2009): 71. http://dx.doi.org/10.1249/01.mss.0000354380.60123.3d.

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Osawa, Yusuke, Yuko Oguma, Norimitsu Kinonshita, Fuminori Katsukawa, Hajime Yamazaki i Shohei Onishi. "Cardiorespiratory Responses During Whole Body Vibration". Medicine & Science in Sports & Exercise 41 (maj 2009): 81–82. http://dx.doi.org/10.1249/01.mss.0000354810.53937.5d.

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Zengyuan, Y., i M. Joachim. "Cardiovascular effects of whole-body vibration". Journal of Biomechanics 39 (styczeń 2006): S195. http://dx.doi.org/10.1016/s0021-9290(06)83701-2.

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Sorainen, Esko, i Esko Rytkönen. "Whole-Body Vibration of Locomotive Engineers". AIHAJ 60, nr 3 (maj 1999): 409–11. http://dx.doi.org/10.1202/0002-8894(1999)060<0409:wvole>2.0.co;2.

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Posadzki, P., i N. Gusi. "Whole-body vibration therapy for fibromyalgia?" Focus on Alternative and Complementary Therapies 21, nr 1 (marzec 2016): 56–57. http://dx.doi.org/10.1111/fct.12227.

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Ishimatsu, Kazuma, Anders Meland, Tor Are S. Hansen, Jan Ivar Kåsin i Anthony S. Wagstaff. "Action slips during whole-body vibration". Applied Ergonomics 55 (lipiec 2016): 241–47. http://dx.doi.org/10.1016/j.apergo.2015.10.014.

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Sorainen, Esko, i Esko Rytkönen. "Whole-Body Vibration of Locomotive Engineers". American Industrial Hygiene Association Journal 60, nr 3 (maj 1999): 409–11. http://dx.doi.org/10.1080/00028899908984461.

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Dos Santos, Ivan Felismino Charas, Sheila Canevese Rahal, Lívia Freire, Carlos Roberto Teixeira, Letícia Rocha Inamassu, Maria Jaqueline Mamprim, Mayara Viana Freire Gomes i Filipe Carrari Isaac Tannus. "Acute Effect of Whole-Body Vibration in a Female Dog with Metritis". Acta Scientiae Veterinariae 45 (27.06.2017): 5. http://dx.doi.org/10.22456/1679-9216.85344.

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Background: Whole-body vibration is a modality of exercise used in humans for therapeutic purposes or to increase physical performance. In veterinary medicine there are only a few reports on the use of this technology. The Whole-body vibration derivate from vibrating rhythmic movements caused by vibrating platforms. Vibrating platforms are used over 30 years in the treatment and prevention of injuries and other debilitating conditions in humans. This paper aims to describe the first report of a possible spontaneous opening of the cervix in a female dog with purulent metritis by Whole-body vibration using a platform vibration.Case: A sexually intact female American Pit Bull Terrier dog showed an acute effect after a single session of Whole- body vibration training. Physical examination and physiological parameters were within normal. Slight edema of the vulva was observed without signs of discharge. Complete blood cell count, serum chemistry and urinalysis yielded no significant abnormal findings. An enlarged uterus with content was observed during a transabdominal ultrasound. Despite this, a vibrating-platform session was performed during 15 min. A purulent vulvar discharge was observed 6 min. after Whole-body vibration exercise and remained continuous through session. After the Whole-body vibration exercise, the dog was treated with cephalexin for 15 days. Escherichia coli were isolated from vaginal discharge culture. Seven days after the Whole-body vibration session, no signs of vulvar edema or discharge were observed. A complete blood count, serum chemistry, urinalysis and uterus ultrasound showed no abnormalities. Ovariohysterectomy by minimally invasive technique was performed and was observed cysts in both ovaries. The patient was placed under general anesthesia withisoflurane/O2. The premedication used was carprofen, morphine sulphate, acepromazine and diazepam. The induction was with propofol. An open ventral midline celiotomy an ovariohysterectomy was performed. Ten days after the surgery the dog showed no abnormality. After recovered from anesthesia, the patient was discharged with meloxican and tramadol for postoperative inflammation and pain management. According to the owner, the immediate postoperative period was without any problems. The histopathology examination confirmed the presence of right ovary cystic and left uterine horn cystic, and uterine hyperplasia. Four months after the surgery, the dog returned for evaluation and the owner reported that patient had been doing well, with normal appetite, normal urination and defecation.Discussion: The Whole-body vibration is not yet fully understood and it is important that the patient is clinically evaluated before the Whole-body vibration session. Whole-body vibration is a modality of exercise used in humans for therapeutic purposes or to increase physical performance. Otherwise, in veterinary medicine there are only a few reports on the use of this technology. In the present report there were no clinical signs that indicated uterine infection. In human patients there are reports that showed any clinical signs of diseases before use the Whole-body vibration. The ultrasound exam had been done because was part of another study and showed an enlarged uterus. Therefore, the cervix opening after a single Whole- body vibration training may be considered a positive side effect of Whole-body vibration in female dogs since this event helped to diagnose the disease. Although, the effects of WBV on reproductive organs and endocrine system are not clear.

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Bartczyk, Mateusz, Andrzej Suchanowski i Marta Woldańska-Okońska. "The Effects of Whole Body Vibration in Physiotherapy – a Review of the Literature". Acta Balneologica 61, nr 3 (czerwiec 2019): 208–12. http://dx.doi.org/10.36740/abal201903109.

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Over the last decade, the use of vibration-supported therapeutic measures has been increased. There are many devices in the market that generate whole body vibration, but they can be divided into three groups due to the frequency, amplitude and direction of the vibrations being applied to the body. The aim of the work is to analyze the results of the most important works discussing the use and effectiveness of the therapeutic effect of vibrations on the human body. The studies are indicative of favourable changes to the symptoms of neurodegenerative diseases, neurological dysfunctions, incomplete spinal cord injury, sarcopenia and senile age disorders, osteoporosis, sports injuries. The use of whole body vibration does not result in significant changes to the hemodynamic function during therapy, although appropriate stimulation parameters may induce sufficient cardiovascular response to improve overall physical fitness. In the physiotherapy procedure, the whole body vibration is another means of increasing the effect of the therapy used.

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Alizadeh-Meghrazi, M., J. Zariffa, K. Masani, M. Popovic i B. Craven. "Variability of vibrations produced by commercial whole-body vibration platforms". Journal of Rehabilitation Medicine 46, nr 9 (2014): 937–40. http://dx.doi.org/10.2340/16501977-1868.

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Cardinale, M. "Whole body vibration exercise: are vibrations good for you? * Commentary". British Journal of Sports Medicine 39, nr 9 (1.09.2005): 585–89. http://dx.doi.org/10.1136/bjsm.2005.016857.

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Schwanitz, Stefan, Arne Stuff i Stephan Odenwald. "Exposure of Children in a Bicycle Trailer to Whole-Body Vibration". Proceedings 49, nr 1 (15.06.2020): 114. http://dx.doi.org/10.3390/proceedings2020049114.

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This study investigated the effects of road surface (tarmac, gravel, cobblestones), load case (single passenger, two passengers), tire pressure (3.0, 4.0, 5.0 bar), and cycling velocity (10.0, 17.5, 25.0 km/h) on the whole-body vibration of children being transported in a bicycle trailer. Two types of passive dummies were utilized to mimic a baby and a toddler passenger in terms of weight and height. Road type and cycling velocity caused statistically significant change on the magnitude of whole-body vibrations. Overall, vibration total values were on the “uncomfortable” level of the vibration discomfort scale or even above. The major limitation of the study is the application of passive dummies, which might not represent the biodynamics of the target population.

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Krause, Louis, Stephan Töpken i Steven van de Par. "Perception thresholds for whole-body vibrations on an airplane seat". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, nr 4 (1.08.2021): 2327–35. http://dx.doi.org/10.3397/in-2021-2107.

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The comfort during a flight on an aircraft is important for passengers. Like many other physical factors, vibrations of the airplane may negatively affect comfort. To understand the impact of vibration on comfort, it is important to know in which way the vibrations transmitted through the seat affects the perception of whole-body-vibrations. In this study, perception thresholds for vertical sinusoidal whole-body vibrations with frequencies between 20 Hz and 75 Hz were determined on a vibration platform with a typical economy class aircraft seat bench. Acceleration levels were recorded with accelerometers placed at the right rear seat rail and inside a seat cushion between the seat surface and the participant. The results show a distinct frequency dependency of the detection thresholds when measured at the seat rail. When taking the difference between the two measurement positions into account and describing the thresholds by the acceleration levels at the seat cushion, the determined perception thresholds are nearly frequency independent up to 50 Hz. This finding is in good agreement with literature data suggesting that the specific experimental setup does not play a big role in this frequency range. Differences above 50 Hz might be explained by the additional armrests in the present study.

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Đorđević, Dušan, Miloš Paunović, Dražen Čular, Tomislav Vlahović, Miljenko Franić, Dubravka Sajković, Tadija Petrović i Goran Sporiš. "Whole-Body Vibration Effects on Flexibility in Artistic Gymnastics—A Systematic Review". Medicina 58, nr 5 (26.04.2022): 595. http://dx.doi.org/10.3390/medicina58050595.

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It is well documented that whole body-vibration training has effects on muscle strength and flexibility, blood circulation, decreases pain perception and strengthens bone and tendon. Although whole body-vibration has benefits in athletes’ flexibility, we are not sure what its actual effects are in artistic gymnastics (since they already have stunning flexibility). Hence, the aim of this study was to analyse the studies on whole-body vibration in artistic gymnastics and to present the effects on flexibility. The search and analysis were carried out in accordance with PRISMA guidelines. The databases search (PubMed, Scopus, Google Scholar, Cochrane Library, ProQuest, EBSCOhost and Science Direct) yielded 18,057 potential studies. By the given inclusion criteria (studies from 2005 to 2022; full-text published in English; the study included male and female gymnasts as samples, and that participants were tested for evaluation of flexibility by whole-body vibration method), a total of 9 full-text studies were included, with a total of 210 participants, both male and female. As far as the measured flexibility tests conducted, front split, sit and reach and bridge were evaluated, while obtained results were 9.1–39.1%, 2.79–6.7%, 6.43–7.45%, respectively. All studies have conducted same vibration frequency (30 Hz) with same amplitude of displacements (2 mm), except for the one study who did not show the information of implemented amplitude. After analysing the obtained results, it can be concluded that the usage of whole-body vibration platform shows flexibility improvements in artistic gymnasts, both male and female. In addition, a combination of whole-body vibration and traditional static stretching may enhance the flexibility in artistic gymnasts. However, these results should be taken with caution. Since this review did not reveal the optimal vibrational protocol, it is necessary to invest time during the implementation of various vibrational experimental protocols, so future research is required.

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Đorđević, Dušan, Miloš Paunović, Dražen Čular, Tomislav Vlahović, Miljenko Franić, Dubravka Sajković, Tadija Petrović i Goran Sporiš. "Whole-Body Vibration Effects on Flexibility in Artistic Gymnastics—A Systematic Review". Medicina 58, nr 5 (26.04.2022): 595. http://dx.doi.org/10.3390/medicina58050595.

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It is well documented that whole body-vibration training has effects on muscle strength and flexibility, blood circulation, decreases pain perception and strengthens bone and tendon. Although whole body-vibration has benefits in athletes’ flexibility, we are not sure what its actual effects are in artistic gymnastics (since they already have stunning flexibility). Hence, the aim of this study was to analyse the studies on whole-body vibration in artistic gymnastics and to present the effects on flexibility. The search and analysis were carried out in accordance with PRISMA guidelines. The databases search (PubMed, Scopus, Google Scholar, Cochrane Library, ProQuest, EBSCOhost and Science Direct) yielded 18,057 potential studies. By the given inclusion criteria (studies from 2005 to 2022; full-text published in English; the study included male and female gymnasts as samples, and that participants were tested for evaluation of flexibility by whole-body vibration method), a total of 9 full-text studies were included, with a total of 210 participants, both male and female. As far as the measured flexibility tests conducted, front split, sit and reach and bridge were evaluated, while obtained results were 9.1–39.1%, 2.79–6.7%, 6.43–7.45%, respectively. All studies have conducted same vibration frequency (30 Hz) with same amplitude of displacements (2 mm), except for the one study who did not show the information of implemented amplitude. After analysing the obtained results, it can be concluded that the usage of whole-body vibration platform shows flexibility improvements in artistic gymnasts, both male and female. In addition, a combination of whole-body vibration and traditional static stretching may enhance the flexibility in artistic gymnasts. However, these results should be taken with caution. Since this review did not reveal the optimal vibrational protocol, it is necessary to invest time during the implementation of various vibrational experimental protocols, so future research is required.

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YANG, LIN, HE GONG i MING ZHANG. "TRANSMISSIBILITY OF WHOLE BODY VIBRATION STIMULI THROUGH HUMAN BODY IN DIFFERENT STANDING POSTURES". Journal of Mechanics in Medicine and Biology 12, nr 03 (czerwiec 2012): 1250047. http://dx.doi.org/10.1142/s0219519412004934.

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This study focuses on the transmissibility of whole body vibration stimuli through human body in different standing postures to explore the mechanism in which vibration stimuli could be better used as a regimen for bone loss. Five volunteers were guided to stay at three standing postures and imposed of frequency-adjustable vibration stimuli on the plantar surfaces side-alternately. Motion capture system was used to acquire the vibration signals at head, pelvis, knee up, knee down and ankle, from which the transmissibility of vibration stimuli can be obtained. The results showed that transmissibility of vibration stimuli was closely correlated with frequency and skeletal sites. Transmissibility of vibration stimuli in head was much smaller than any other skeletal sites. Transmissibility in the ankle was always in the vicinity of unit one in all the three postures for the vibration stimuli applied side-alternately on the plantar surfaces of both feet. There was an obvious peak around 9 to 11 Hz in the transmissibility curves for knee joint and pelvis. In the resonant peak, transmissibility of vibration stimuli in knee joint and pelvis both exceeded unit one and reached 150%. As the frequency increased after 11 Hz, transmissibility of vibration stimuli decayed rapidly as a function of frequency and dropped to 25% at 30 Hz. This study may help to gain insight into the interaction mechanism between mechanical vibration stimuli and the responses of human musculoskeletal system.

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Oliveira, Fábio Celso, Geice Paula Villibor, Joseph Kalil Khoury Junior i Éder Harisson Ferreira Lima. "WHOLE BODY AND HAND-ARM VIBRATIONS ON OFF-ROAD VEHICLE USED IN ACADEMICALS COMPETITIONS". REVISTA ENGENHARIA NA AGRICULTURA - REVENG 24, nr 5 (26.01.2017): 375–82. http://dx.doi.org/10.13083/reveng.v24i5.639.

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Off-road vehicles, baja type, are designed for locomotion on irregular terrains with several obstacles, to pull loads with effciency, furthermore, are compact and easy to operate. Such vehicles have wide use in agriculture, construction, transportation and military operations. Baja vehicle provide to pilot an exposure to high levels of mechanical vibrations. With the present work aimed to determine the whole body vibration and hand-arm vibration in the pilot using the vehicle designed by UFVbaja team. The vibrations levels incident on the pilot was measured in three different terrain conditions and different forward speeds. It was determinate the root mean square acceleration and daily vibration exposure at the seat pad and hand-arm of pilot. For whole body vibration was obtained the daily vibration dose value. The values were confronted with standards ISO 2631-1. The acceleration level, normalized to 8 hour, exceeded the warning limits for all worked conditions. To Baja vehicle operating in plowing soil, the transverse and vertical accelerations exceeded the limit level. In general, incident acceleration levels on the pilot were considered high, which reinforces the need for seats projects of suspension, steering and seat that effectively reduce the vibration transmitted to pilot body and hand-arm system.

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Chen, Yong, Shao Zhang, Jiaxin Chang, Amin Fereidooni i Viresh Wickramasinghe. "Development of a multiaxis active seat mount to mitigate helicopter aircrew whole-body vibration exposure". Journal of Intelligent Material Systems and Structures 30, nr 17 (17.04.2019): 2544–55. http://dx.doi.org/10.1177/1045389x19844027.

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This article presents the development and evaluation of a proof-of-concept multiaxis and actively controlled helicopter seat mount for aircrew whole-body vibration reduction. The multiaxis seat mount is designed to be installed between the helicopter seat floor and the seat supporting structure to minimize the impact on crashworthiness requirements of the helicopter seat. The design involves multiple miniature force actuators to counteract the vibrations of the seat frame and occupant transmitted from the helicopter floor in three orthogonal directions. The actuators are controlled by an adaptive feedforward filtered-x least mean square algorithm to cancel the helicopter floor vibration input. The prototype active seat mount design was tested in various configurations with a shaker table providing representative Bell-412 helicopter vibration inputs. Test results demonstrated that the vibrations of the seat frame and mannequin occupant body were suppressed simultaneously, and the major N/rev harmonic peaks of the occupant’s whole-body vibration were reduced by more than 20 dB. This demonstrated that the multiaxis active seat mount design can mitigate the whole-body vibration exposure of the helicopter aircrew to improve their ride quality and reduce adverse health effect.

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Pelmear, P. L., i D. K. N. Leong. "EU Directive on Physical Agents — Vibration". Journal of Low Frequency Noise, Vibration and Active Control 21, nr 3 (wrzesień 2002): 131–39. http://dx.doi.org/10.1260/026309202321164702.

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Vibrations that arouse human health concerns are classified into two main categories: (1) hand-arm vibrations (HAV) and (2) whole-body vibrations (WBV). Hand-transmitted vibration from a power or impact tool affects the upper extremities of the body. WBV affects the entire body and is transmitted from a vibrating seat, bed or floor to a person who is in a sitting, Iying or standing position. The EU Directive April 5, 2002 provides exposure limit and action values for both HAV and WBV. These values have taken into consideration recent advances in knowledge and the political judgment of the Member States so are at variance with the present Health and Safety Executive (HSE) values and the ACGIH TLVs. This paper reviews the development of international standards for vibration and the requirements of the EU Directive.

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Landström, Ulf, i Ronnie Lundström. "Sensations, Perception Thresholds and Temporary Threshold Shifts of Whole Body Vibrations in Sitting and Standing Posture". Journal of Low Frequency Noise, Vibration and Active Control 5, nr 2 (czerwiec 1986): 68–77. http://dx.doi.org/10.1177/026309238600500203.

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The experiments were conducted to evaluate the subjective experience associated with sinusoidal whole body vibration. Exposures were carried out in vertical (z) direction with the subject placed in upright sitting and standing positions. According to the present results, the vibration perception level is approximately the same for both postures, about 80–90 dB, (re 1 μm/s2 (r.m.s)) when comparing frequencies below 100 Hz. The threshold values were found to be influenced by the body weight, heavy people being more sensitive to whole body vibration in sitting posture, light people being more sensitive to vibrations in standing posture. Furthermore, the present study clearly shows the existence of temporary threshold shifts (TTS) in perception of whole body vibration after 5 minutes of vibration fatigue. If measured c. 30 seconds after the end of the exposure the temporary threshold shifts were in the magnitude of 10 dB.

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Mačužić Saveljić, Slavica, Igor Saveljić i Nenad Filipović. "EFFECT OF VIBRATION ON SEMICIRCULAR CANAL DURING WHOLE BODY VIBRATION". Mobility and Vehicle Mechanics 48, nr 1 (30.05.2022): 47–54. http://dx.doi.org/10.24874/mvm.2022.48.01.04.

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ABERCROMBY, ANDREW F. J., WILLIAM E. AMONETTE, CHARLES S. LAYNE, BRIAN K. MCFARLIN, MARTHA R. HINMAN i WILLIAM H. PALOSKI. "Vibration Exposure and Biodynamic Responses during Whole-Body Vibration Training". Medicine & Science in Sports & Exercise 39, nr 10 (październik 2007): 1794–800. http://dx.doi.org/10.1249/mss.0b013e3181238a0f.

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Ismail. "Whole Body Vibration Exposure to Train Passenger". American Journal of Applied Sciences 7, nr 3 (1.03.2010): 352–59. http://dx.doi.org/10.3844/ajassp.2010.352.359.

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Weber-Rajek, Magdalena, Jan Mieszkowski, Bartłomiej Niespodziński i Katarzyna Ciechanowska. "Whole-body vibration exercise in postmenopausal osteoporosis". Menopausal Review 1 (2015): 41–47. http://dx.doi.org/10.5114/pm.2015.48679.

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Warde, Mikaela Cartwright, Alyssa Donnell, Michael Hanks, Ka Hing Ho, Elena Matt, Nathan Mock, Jonathan Luz i Kara A. Witzke. "Energy Expenditure During Whole Body Vibration Training". Medicine & Science in Sports & Exercise 53, nr 8S (sierpień 2021): 11. http://dx.doi.org/10.1249/01.mss.0000759156.81718.07.

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Lee, Soo-Jin, i Soo-Yong Roh. "The Health Effects of Whole Body Vibration". Journal of the Ergonomics Society of Korea 32, nr 4 (31.08.2013): 297–301. http://dx.doi.org/10.5143/jesk.2013.32.4.297.

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Rasmussen, Gunnar. "Whole body vibration on fast moving trains". Journal of the Acoustical Society of America 100, nr 4 (październik 1996): 2773. http://dx.doi.org/10.1121/1.416405.

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Motmans, R. "Reducing whole body vibration in forklift drivers". Work 41 (2012): 2476–81. http://dx.doi.org/10.3233/wor-2012-0484-2476.

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