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Changes of selected biochemical, physiological and densitometric parameters under low frequency vibration

Damijan D.

Archives of Acoustics

2006

Vol. 31, No. 4

451-460

The effects of low frequency vibration exposure on the humans were investigated in the Institute of Human Biophysiology of the Academy of Physical Education in Kraków. The research program involved nineteen 1200 s vibrations exposure sessions in the subsequent working days, at the same time of day for each participant. During each session, selected physiological parameters were registered before and after the exposure, the heart beat rate HR and saturation levels SpO2 were monitored on the constant basis. The research program was supported by the biochemical and densitometric analysis before and after the experiments.

Changes of selected biochemical parameters of blood, densytometric and strength bones of rats under low frequency vibration

Damijan Z.

Archives of Acoustics

2005

Vol. 30, No. 4

495-505

The aim of the research is to analyze the changes of selected biochemical blood, densitometric parameters and bone strength of rats under exposure to low-frequency vibrations. Experiments were run on 30 Wistar rats randomly divided into three groups: the first group was first exposed to vibrations when rats were 20 days old: _20 - before puberty, the second group was subjected to vibrations from the 70-th day on: _70 - after reaching puberty, the third is the control group: _K. On the 145-th day the rats' _20 and _70 bones were subjected to biochemical examination, followed by densitometric and bone strength tests.