Biodynamic Responses of the Seated Human Body to Single-axis and Dual-axis Vibration
نویسندگان
چکیده
منابع مشابه
Biodynamic response of the seated human body to single-axis and dual-axis vibration: effect of backrest and non-linearity.
The biodynamic responses to the human body give an understanding of why human responses to vibration (changes in health, comfort, and performance) vary with the frequency and direction of vibration. Studies have shown that biodynamic responses also vary with the magnitude of vibration and that the backrests of seats influence the transmission of vibration to the seated human body. There has bee...
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The biodynamic response of the seated human body has been investigated with 20 males exposed to upward and downward shocks at 13 fundamental frequencies (1-16 Hz) and 18 magnitudes (up to ±8.3 ms-2). For 1- and 2- degree-of-freedom models, the stiffness and damping coefficients were obtained by fitting seat acceleration waveforms predicted from the measured force to the measured seat accelerati...
متن کاملApparent mass and seat-to-head transmissibility responses of seated occupants under single and dual axis horizontal vibration.
The apparent mass and seat-to-head-transmissibility response functions of the seated human body are investigated under exposures to fore-aft (x), lateral (y), and combined fore-aft and lateral (x and y) axis whole-body vibration. The experiments were performed to study the effects of hands support, back support and vibration magnitude on the body interactions with the seat pan and the backrest,...
متن کاملBiodynamic characteristics of upper limb reaching movements of the seated human under whole-body vibration.
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...
متن کاملVibration exposure and biodynamic responses during whole-body vibration training.
PURPOSE Excessive, chronic whole-body vibration (WBV) has a number of negative side effects on the human body, including disorders of the skeletal, digestive, reproductive, visual, and vestibular systems. Whole-body vibration training (WBVT) is intentional exposure to WBV to increase leg muscle strength, bone mineral density, health-related quality of life, and decrease back pain. The purpose o...
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ژورنال
عنوان ژورنال: Industrial Health
سال: 2010
ISSN: 0019-8366,1880-8026
DOI: 10.2486/indhealth.mswbvi-26