iNDICA NEWS BUREAU-
As space agencies prepare for long missions to the Moon, Mars, and beyond, a recent study suggests that jumping exercises could be vital in preventing cartilage damage and strengthening bones in astronauts.
This research, published in npj Microgravity by Johns Hopkins University, highlights the potential benefits of jump training for astronauts who face extended periods in microgravity, such as aboard the International Space Station (ISS).
In space, astronauts experience reduced movement due to the lack of gravity, which can lead to cartilage thinning and cellular changes, early signs of arthritis. Studies from the European Space Agency (ESA) have shown that prolonged weightlessness accelerates cartilage degradation. This is particularly concerning, as cartilage doesn’t regenerate as quickly as other tissues, leading to long-term mobility issues. Additionally, space radiation can further contribute to joint damage.
The Johns Hopkins study found that jumping exercises helped mice maintain healthier cartilage and stronger bones. Mice that participated in a jump-training program three times a week saw a 26% increase in cartilage thickness compared to a control group that underwent reduced movement. In contrast, the non-exercising group experienced a 14% reduction in cartilage thickness. Additionally, the jumping mice showed a 15% increase in bone strength, demonstrating the potential of such exercises in mitigating the effects of microgravity.
These results are promising, suggesting that astronauts could benefit from jump training as a preventive measure to maintain their cartilage and bone health. Marco Chiaberge, an astrophysicist at Johns Hopkins and ESA, emphasized the unexpected magnitude of these effects and proposed that astronauts could adopt similar exercise regimens before their missions.
While these findings are based on mice, the research offers hope for human space exploration. As missions to Mars and the Moon become more feasible, safeguarding astronauts’ health will be critical. Jumping exercises could become part of astronauts’ training programs, ensuring they remain fit and protected against the physical challenges of long-duration space travel.
Though more research is needed to confirm the benefits for humans, this study offers valuable insights into how we might preserve astronaut health during future deep-space missions.
(Photo courtesy: twitter.com/ani_digital)
