Publicação
Biomechanical characterization of the gait pattern of healthy adults under different simulated hypogravity conditions
| Resumo: | Spatial flights harm astronauts' health, however, exploration programs are larger and closer than ever, with lunar and Martian habitats designed in the next decade. This study examines the impact of hypogravity on gait biomechanics, important for spatial exploration. Students from the University of Lisbon, aged 18 to 35, walked in a AlterG treadmill. The data were obtained during sequential 3-minute simulations on Earth (1g), Mars (0.38g), Moon (0.2g) and Return to Earth (1g), with and without 5% tilt on the treadmill. Substantial differences were found in the spatio-temporal and joint kinematics on the Moon and Mars in relation to the earth. On the moon, the length of stretching (+8.5%) as well as the balance time (+15.9%), the step frequency decreases (-7.7%), and the amplitude of movement of the hip and knee as well (+19.7 %), ankle dorsiflexion decreases contrasting with the increase in knee adduction (+33.4%), all these changes represent obstacles and may compromise astronauts. Similar adaptations are found in Mars, but to a lesser extent. Despite the changes in relation to Earth, there was no statistically significant difference in the conditions between Moon and Mars. Previous discharge levels did not affect the terrestrial march standard on the return. By examining the standard of marching in hypogravity, we hope to identify effective countermeasures to minimize the impacts of long -term Lunar and Martian missions, improving human spatial exploration, adaptation to severe environments, terrestrial rehabilitation, and athletic performance. |
|---|---|
| Autores principais: | Conchinhas, Duarte de Santa Maria Marques |
| Assunto: | Hypogravity Gait Biomechanics LBBP treadmill Mars walk Moon walk Musculoskeletal adaptations Hipogravidade Biomecânica da Marcha Passadeira Antigravidade Marcha Marciana Marcha Lunar Adaptações Musculoesqueléticas |
| Ano: | 2024 |
| País: | Portugal |
| Tipo de documento: | dissertação de mestrado |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade de Lisboa |
| Idioma: | inglês |
| Origem: | Repositório da Universidade de Lisboa |
| Resumo: | Spatial flights harm astronauts' health, however, exploration programs are larger and closer than ever, with lunar and Martian habitats designed in the next decade. This study examines the impact of hypogravity on gait biomechanics, important for spatial exploration. Students from the University of Lisbon, aged 18 to 35, walked in a AlterG treadmill. The data were obtained during sequential 3-minute simulations on Earth (1g), Mars (0.38g), Moon (0.2g) and Return to Earth (1g), with and without 5% tilt on the treadmill. Substantial differences were found in the spatio-temporal and joint kinematics on the Moon and Mars in relation to the earth. On the moon, the length of stretching (+8.5%) as well as the balance time (+15.9%), the step frequency decreases (-7.7%), and the amplitude of movement of the hip and knee as well (+19.7 %), ankle dorsiflexion decreases contrasting with the increase in knee adduction (+33.4%), all these changes represent obstacles and may compromise astronauts. Similar adaptations are found in Mars, but to a lesser extent. Despite the changes in relation to Earth, there was no statistically significant difference in the conditions between Moon and Mars. Previous discharge levels did not affect the terrestrial march standard on the return. By examining the standard of marching in hypogravity, we hope to identify effective countermeasures to minimize the impacts of long -term Lunar and Martian missions, improving human spatial exploration, adaptation to severe environments, terrestrial rehabilitation, and athletic performance. |
|---|