نتایج جستجو برای: people body vibration

تعداد نتایج: 1115972  

2002
SAILA TORVINEN PEKKA KANNUS HARRI SIEVÄNEN TERO A. H. JÄRVINEN MATTI PASANEN TEPPO L. N. JÄRVINEN MARKKU JÄRVINEN ILKKA VUORI

TORVINEN, S., P. KANNUS, H. SIEVÄNEN, T. A. JÄRVINEN, M. PASANEN, S. KONTULAINEN, T. L. JÄRVINEN, M. JÄRVINEN, P. OJA, and I. VUORI. Effect of four-month vertical whole body vibration on performance and balance. Med. Sci. Sports Exerc., Vol. 34, No. 9, pp. 1523–1528, 2002. Purpose: This randomized controlled study was designed to investigate the effects of a 4-month whole body vibration-interve...

Journal: :Age and ageing 2009
Katherine Brooke-Wavell Neil J Mansfield

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 [1]. As such, it has attracted interest for its potential benefits regarding physical function, fall and fracture risk in older people. These potential bene...

Journal: :Ergonomics 2010
William D R Baker Neil J Mansfield

Standing people are exposed to whole-body vibration in many environments. This paper investigates the effects of horizontal whole-body vibration and standing posture on task performance. Sixteen participants were exposed to random vibration (up to 4 Hz) whilst performing a timed pegboard task in two standing postures. Objective and subjective indicators of performance were used. Time taken to c...

Journal: :Medicine and science in sports and exercise 2002
Saila Torvinen Pekka Kannus Harri Sievänen Tero A H Järvinen Matti Pasanen Saija Kontulainen Teppo L N Järvinen Markku Järvinen Pekka Oja Ilkka Vuori

PURPOSE This randomized controlled study was designed to investigate the effects of a 4-month whole body vibration-intervention on muscle performance and body balance in young, healthy, nonathletic adults. METHODS Fifty-six volunteers (21 men and 35 women, aged 19-38 yr) were randomized to either the vibration group or control group. The vibration-intervention consisted of a 4-month whole bod...

2017
Juan V. Durá-Gil Bruno Bazuelo-Ruiz David Moro-Pérez Fernando Mollà-Domenech

The literature indicates the best vibration positions and frequencies on the human body where tactile information is transmitted. However, there is a lack of knowledge about how to combine tactile stimuli for navigation. The aim of this study is to compare different vibration patterns outputted to blind people and to determine the most intuitive vibration patterns to indicate direction for navi...

Journal: :Gait & posture 2007
An Bogaerts Sabine Verschueren Christophe Delecluse Albrecht L Claessens Steven Boonen

This randomized controlled trial investigated the effects of a 12 month whole body vibration training program on postural control in healthy older adults. Two hundred and twenty people were randomly assigned to a whole body vibration group (n=94), a fitness group (n=60) or a control group (n=66). The whole body vibration and fitness groups trained three times a week for 1 year. The vibration gr...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1995
P S Bergin A M Bronstein N M Murray S Sancovic D K Zeppenfeld

Body sway and vibration perception in the lower limbs were measured in 32 normal subjects and 25 patients with peripheral neuropathies; nerve conduction studies were also performed in the patients with neuropathies. Body sway was measured by means of force-plate posturography, and three methods were used to assess vibration perception: a neurothesiometer, a semiquantitative tuning fork, and the...

A. Saghafi, M. Bagheri Hosseinabadi N. Khomarian

Electric wheelchair is one of the equipment to be used by the incapacitated and disable people. Constant exposure to vibration affects human comfort and health. Reducing the vibrations transmitted to the human body is important in the electric wheelchair design and becomes a healthcare industry demand. This paper deals with the study on vibration control of the electric wheelchair suspension sy...

Journal: :Annals of agricultural and environmental medicine : AAEM 2014
Jan Szczepaniak Wojciech Tanaś Jacek Kromulski

Many people are exposed to whole-body vibration (WBV) in their occupational lives, especially drivers of vehicles such as tractor and trucks. The main categories of effects from WBV are perception degraded comfort interference with activities-impaired health and occurrence of motion sickness. Absorbed power is defined as the power dissipated in a mechanical system as a result of an applied forc...

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