نتایج جستجو برای: body vibration
تعداد نتایج: 779469 فیلتر نتایج به سال:
Introduction: Whole-Body Vibration (WBV) uses high frequency mechanical stimuli generated by a vibration plate and transmitted through bone, muscle and connective tissues to the whole body. Research has shown that long-term vibration-plate training improves neuromuscular facilitation, especially in afferent neural pathways, responsible for the conduction of vibration and proprioceptive stimuli,...
OBJECTIVES The purpose of this study was to determine exposure to whole-body vibration (WBV) and mechanical shock in rural workers who use quad bikes and to explore how personal, physical, and workplace characteristics influence exposure. METHODS A seat pad mounted triaxial accelerometer and data logger recorded full workday vibration and shock data from 130 New Zealand rural workers. Persona...
Exposure to whole body vibration (WBV) is a hazard for operators of earth-moving equipment. ISO2631.1 “Evaluation of human exposure to whole-body vibration. Part 1 General Requirements” is referred to within guidance provided to obligation holders such as mine operators and equipment manufacturers. Measurements gathered from dozers in operation at a surface coal mine are examined to both gain i...
The vibration transmission to the lumbar and thoracic segments of seated human subjects exposed to whole body vibration of a vehicular nature have been mostly characterised without the back and hand supports, which is not representative of general driving conditions. This non-invasive experimental study investigated the transmission of vertical seat vibration to selected vertebrae and the head ...
INTRODUCTION Whole-body vibration can resulted in low-back pain, disc degeneration and other harmful effects to the body [1]. Researchers are investigating optimal solutions for reducing vibration and seat pressure exposure of electric power wheelchair users [2, 3, 4]. The purpose of this study was to investigate the effectiveness of the newly designed waterfilled cushion (NDWF), based on vibra...
UNLABELLED This study examined reliability and concurrent validity of the newly developed OMNI-vibration exercise scale (OMNI-VIBRO) to measure Ratings of Perceived Exertion (RPE) during vibration exercise in twenty recreationally active students (12 males and 8 females). The criterion variables were muscle activity of the Vastus Medialis (VM), Vastus Lateralis (VL), Biceps Femoris (BF), and Me...
OBJECTIVE The aim of this study was to evaluate the effects of different whole-body vibration (WBV) training amplitudes on left ventricular stroke volume and ejection fraction in healthy young men. METHODS A total of 24 healthy men (age 21.71±1.49 year, height 176.17±6.61 cm, weight 70.73±10.08 kg, BMI 22.36±3.57 kg/m2, and body surface area 1.87±0.13 m2) were divided into two groups: high an...
Simulation of human movements is an essential component for proactive ergonomic analysis and biomechanical model development (Chaffin, 2001). Most studies on reach kinematics have described human movements in a static environment, however the models derived from these studies cannot be applied to the analysis of human reach movements in vibratory environments such as in-vehicle operations. This...
Case study: use of vibration therapy in the treatment of diabetic peripheral small fiber neuropathy.
The aim of the study was to describe a case of type II diabetic peripheral small fiber neuropathic pain treated with whole body vibration therapy after a failed trial of conventional drugs and interventional pain management. A 64-year-old male had chronic diabetic peripheral neuropathic pain in his both feet for about 2 years. The patient tried multiple pain medications and various intervention...
Long term exposure to high amplitude whole-body vibration is strongly associated with the development of back injury. Mobile plant used at mines are likely to be a source of high vibration amplitudes and management of the hazard requires systematic measurement of vibration levels. This paper describes measurements of whole-body vibration taken during projects funded by the Coal Services Health ...
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