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Friday, July 24, 2020 | History

2 edition of Some studies on the human response to low frequency whole-body vibrations. found in the catalog.

Some studies on the human response to low frequency whole-body vibrations.

B. K. N. Rao

Some studies on the human response to low frequency whole-body vibrations.

by B. K. N. Rao

  • 364 Want to read
  • 23 Currently reading

Published by University of Birmingham in Birmingham .
Written in English


Edition Notes

Thesis (Ph.D.)-University of Birmingham, Dept. of Mechanical Engineering.

ID Numbers
Open LibraryOL16433868M

  The asynchronous stimulus produces a primitive motion input, i.e., a spatial shift of the temporal features (e.g., peaks) of the vibrations. The frequency of vibration is within the low-frequency   Thomas Sugrue recognised vibrational elements at work in the human body: " The human body is made up of electronic vibrations, with each atom and elements of the body, each organ and organism, having its electronic unit of vibration necessary for the sustenance of, and equilibrium in that particular

A risk factor requiring attention in agriculture is the exposure to vibration, both whole-body and hand harm. It has been pointed out that vibrations with a frequency lower than 2 Hz can induce minor and temporary effects like carsickness that, producing remarkable discomfort, interfere with the desired working performance while long-term exposure to vibrations ranging from 2 to 20 Hz can   The biological consequences of mechanical whole body vibration (WBV) on the brain are not well documented. The aim of the current study was to further investigate the effects of a ?icid=

  A recent study shows that low frequency vibrations increase the growth rate and alter metabolic pathways in yeast. In adult rodents, whole-body vibrations (WBV) have been shown to affect bone health, with increased bone formation and decreased osteoclastic activity following 45 Hz treatments for 15 min/day for 3 weeks ://?id=/   In the physical body the eye views objects upside down. It sends the image of what it observes to the brain which interprets the image and makes it appear right side-up to us. But the human body has another physical eye whose function has long been recognized by ://


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Some studies on the human response to low frequency whole-body vibrations by B. K. N. Rao Download PDF EPUB FB2

The upper extremities of the human being can be considered a unique body segment. As with whole body vibration, the response to segmental vibration depends on frequency, amplitude, etc. Segmental vibration causes a symptom complex usually referred to as vibration syndrome.

The symptom originates from injuries Some Studies on the Human Response to Low Frequency Whole - Body Vibrations. Author: Rao, B. Nagaraja. ISNI: Awarding Body: University of Birmingham Current Institution: University of Birmingham Date of Award: Availability of Full Text: ?uin= Alfio Albasini, Martin Krause, in Using Whole Body Vibration in Physical Therapy and Sport, Multiple sclerosis.

WBV was used in 12 people with moderate disability as a result of multiple sclerosis (MS). A frequency of 2– Hz, with an amplitude of 3 mm, in five series of 1-min stimulation with a 1-min break was used in a randomized control ://   Whole-body vibration: Results when the entire body is supported – through standing, sitting or reclining – on a piece of equipment and absorbs the mechanical vibration from that equipment.

Low frequency: Vibrations occurring at a low level that can cause motion sickness or postural ://   By testing the response of the human body on a vibrating platform, many researchers found the human whole-body fundamental resonant frequency to be around 5 Hz.

However, in recent years, an indirect method has been prosed which appears to increase the resonant frequency In addition, to the best of the authors' knowledge, these designs are not effective at shielding low frequency sound, which is the most common and pervasive source of noise affecting human :// 2 days ago  Whole body vibration has been recently proposed as an exercise intervention because of its potential for increasing force generating capacity in the lower limbs.

Its recent popularity is due to the combined effects on the neuromuscular and neuroendocrine systems. Preliminary results seem to recommend vibration exercise as a therapeutic approach for sarcopenia and possibly ://   Some studies reported its effects of especially quadriceps strengthening [].

Vibrations elicit a response called "tonic vibration reflex". which can deliver an extremely low frequency vibration to the whole body. This advantage means that vibration is effectively propagated to the knee joint in standing :// A viscoelastic standard nonlinear solid (SNS) model was used to predict the response of the human lumbar IVD subjected to low-frequency vibration.

Nonlinear behavior of the SNS model was simulated by a strain-dependent elastic modulus on the SLS :// HUMAN STUDIES.

Whole-body vibration (WBV) is a promising non-pharmacological treatment strategy to improve bone quality, strength, and posture in patients who are unable to perform high-impact exercises (Fig. 2).Available human trials are complicated because of multiple vibration parameters ranging from high (3–5g) to low intensity ( THE HEALTHY BODY.

Genius Brain Frequency 80–82 MHz Brain Frequency Range 72–90 MHz Normal Brain Frequency 72 MHz Human Body 62–78 MHz Human Body from Neck up 72–78 MHz Human Body When we are in harmony with the natural frequencies, we are a harmonious part of the whole.

A healthy cell has a certain frequency; a healthy mind is at just the right frequency, too. Our health can be greatly affected by high or low frequencies within the ://   Only studies examining health effects in relation to exposure to low-frequency noise and/or infrasound (up to Hz) in the general population were considered as eligible for the review.

Exposure characterization based on self-reported questionnaires was considered acceptable as   Introduction. The interest in using mechanical vibrations in physiotherapy and sports has clearly grown in the last several years.

Although many authors state that vibration training has a positive effect on the human body, some published studies have not demonstrated a positive effect.According to Gyulai et al., the reaction to whole-body vibration is training and individual ://?id=/   Whole-body vibration (WBV) is a new type of exercise that has been increasingly tested for the ability to prevent bone fractures and osteoporosis in frail people.

There are two currently marketed vibrating plates: a) the whole plate oscillates up and down; b) reciprocating vertical displacements on the left and right side of a fulcrum, increasing the lateral accelerations.

A few studies have   human health risk assessment for glyphosate have been previously addressed in the. Glyphosate: Response to Comments on the Human Health Draft Risk Assessment (D; M. Perron; APR) and did not result in changes to the agency’s risk assessment. During the public comment period, 65 open literature studies were also identified for the In the low-frequency range of interest for vibration serviceability ( Hz), the dynamic behaviour of the human body in vertical direction for a person standing still, resembles that of a highly   Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium word comes from Latin vibrationem ("shaking, brandishing").

The oscillations may be periodic, such as the motion of a pendulum—or random, such as the movement of a tire on a gravel road. Vibration can be desirable: for example, the motion of a tuning fork, the reed in a woodwind Regular whole body vibration training, i.e.

standing on a platform that vibrates at a high frequency over a small amplitude, has been reported to produce neuromuscular adaptation and increase bone mineral density in some frailer populations [].As such, it has attracted interest for its potential benefits regarding physical function, fall and fracture risk in older :// The acceleration response at the midspan was low-pass filtered using a fourth-order Butterworth filter with a cutoff frequency of 10 Hz to extract modal response in the first vertical bending mode only.

This modal response dominated the response of the bridge by contributing to at least 80% of the signal energy in out of trials. In the (ASCE)STX. The frequency at resonance is called resonance frequency. At resonance, energy transfer from the vibration machine to the human body is most efficient.

VTF's frequency range is designed to achieve resonance effect on the body soft tissues. The natural frequency of human body soft tissue are mostly in the range from 10Hz - ://The manuscript provides a discussion on the studies and analysis of influence of engine rotational speed to the vibration penetration into the driver via feet.

For the driving safety and comfort it is very important what kind and values of vibration are transferred to car body. The motor-engine was chosen as the vibration source. The paper presents some results of investigation on influence of   Enlightenment isn’t quite an emotion, but it is a state of mind – and has the highest vibrational frequency of all.

Very, very few people ever attain this level of vibrational frequency. Those that do have an incredible effect on humanity, and in some ways are