Abstract
Abstract The article presents the results of research on the influence of whole body vibrations (WBVs) on a person moving in a wheelchair. The tests were carried out using an electrohydraulic shaker for a kinematic harmonic excitation with a constant amplitude and frequencies, respectively, 2, 5, 10, 15, and 20 Hz. The accelerations caused by vibrations were measured with three-axis accelerometers at three measuring points: on the seat, chest, and head of the examined person. The research included frequency and statistical analyses of vibrations. The analyses were focused on the course of the transition functions over frequency. The range of the disabled person’s exposure to the negative factor which is WBVs was assessed.
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