How Does Microgravity Affect Your Bones?

How Does Microgravity Affect Your Bones? In microgravity, bone loss occurs at a rate of 1 to 1.5 percent a month, leading to an acceleration of age-related changes similar to osteoporosis. Decreases in bone density and strength are more pronounced in some skeletal regions, such as the pelvis, although much of the loss is reversible

Do Astronauts Lose Muscle Mass During Space Travel?

Do Astronauts Lose Muscle Mass During Space Travel? Without regular use and exercise our muscles weaken and deteriorate. It’s a process called atrophy. Studies have shown that astronauts experience up to a 20 percent loss of muscle mass on spaceflights lasting five to 11 days. Why do astronauts lose muscle mass in space? Because astronauts