Effects of an eight-day space flight on microvibration and physiological tremor.

@article{Gallasch1997EffectsOA,
  title={Effects of an eight-day space flight on microvibration and physiological tremor.},
  author={Eugen Gallasch and Max Moser and Inessa B. Kozlovskaya and T. Kenner and Abraham Noordergraaf},
  journal={The American journal of physiology},
  year={1997},
  volume={273 1 Pt 2},
  pages={R86-92}
}
Microgravity was used to study accelerometrically recorded microvibration (MV) and postural tremor (PT) at reduced muscle tone on one cosmonaut before, during, and after an 8-day space flight on the Russian Mir station. MV of the relaxed forearm in the 1 g environment showed the typical 7- to 13-Hz resonance oscillations triggered by the heart beat. In 0 g, these pulsations shifted to below 5 Hz and the waveform became similar to an ultralow frequency acceleration ballistocardiogram. PT of the… CONTINUE READING

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