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Short term microgravity effect on isometric hand grip and precision pinch force with visual and proprioceptive
P Pastacaldi1, P Orsini, F Bracciaferri
1Hand's Microsurgery Department, S. Chiara Hospital, Pisa, Italy.
Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|April 5, 2005
Summary
Experiments on the upper limb in space are crucial for astronaut locomotion and preventing fatigue during space missions. Studying these effects aids in understanding motor control and offers potential therapeutic applications for central nervous system disorders on Earth.
Area of Science:
- Human Physiology
- Space Medicine
- Neuroscience
Background:
- The upper limb is vital for astronaut locomotion and daily tasks in space stations.
- Musculoskeletal performance degradation and motor control alterations occur in microgravity.
- Understanding these effects is critical for astronaut health and mission success.
Purpose of the Study:
- To investigate the physiological and motor control effects of microgravity on the human upper limb.
- To establish scientific protocols for monitoring upper limb function in space.
- To explore the transferability of findings to terrestrial medical applications.
Main Methods:
- Conducting specific scientific protocols on the upper limb during prolonged space missions.
- Monitoring changes in musculoskeletal performance and motor control programs.
- Analyzing the impact of altered gravity on biomechanics and psycho-physical conditions.
Main Results:
- Upper limb experiments are increasingly significant for human physiology in space.
- Fatigue significantly impacts hand function during routine and extra-vehicular activities.
- Microgravity alters motor control programs, affecting biomechanics and overall well-being.
Conclusions:
- Upper limb studies in space enhance understanding of human adaptation to microgravity.
- Specific protocols can reveal performance degradation and aid motor control research.
- Findings have potential applications in treating central nervous system disorders and local traumas on Earth.
