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Impact of different ground-based microgravity models on human sensorimotor system.

Alina Saveko¹, Maria Bekreneva¹, Ivan Ponomarev¹

¹Russian Federation State Scientific Center-Institute of Biomedical Problems of the Russian Academy of Sciences, Moscow, Russia.

Frontiers in Physiology

|March 6, 2023

Summary

Ground-based microgravity models imperfectly simulate spaceflight effects on the human sensorimotor system. Researchers can use this review to select appropriate models for effective experiment design.

Keywords:

anti-orthostatic hypokinesia bed rest dry immersion (DI)groundbased observations immobilization parabolic flight space flight suspension

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Area of Science:

Human physiology
Space medicine
Biomechanics

Background:

Ground-based microgravity models are crucial for studying spaceflight's physiological effects.
Existing models offer imperfect simulations with unique advantages and limitations.

Purpose of the Study:

To review current ground-based microgravity models.
To assess their impact on the human sensorimotor system.
To guide researchers in selecting appropriate models for experiment design.

Main Methods:

Literature review of ground-based microgravity models.
Analysis of model limitations and benefits.
Synthesis of information on sensorimotor system responses.

Main Results:

All reviewed microgravity models have inherent imperfections.
Each model presents distinct advantages and disadvantages for research.
Understanding gravity's role in motor control requires diverse data.

Conclusions:

No single ground-based model perfectly replicates microgravity.
Careful selection of models is essential for valid research outcomes.
This review aids researchers in planning effective spaceflight-related experiments.