Growing American astronauts Williams and Barry Wilmor, who returned to the earth after a nine -month mission at ISS, threatened back pain back pain until the end of life. It was reported by the Daily Mail. The publication Note that the lack of gravity on the ISS reduces the compressive load on the spine, which is why it is straightened and prolonged.

After returning to Earth, the spine is recovered gradually, but it becomes weaker. According to a bone and endocrine expert of Dina Adimulam, under the influence of the severity of the earth, astronauts may have back pain.
In addition, the lack of gravity leads to the loss of bone and muscle atrophy, negatively affecting the state of the back and spine.
On March 19, the Dragon Spacecraft crew with American Company SpaceX with the crew of the Astronaut-9 mission was spent off the coast of Florida. Wilmore and Williams arrived on the ISS on June 5, 2024 as part of the first mission of Boeing Starliner.
They have to be in orbit until June 14. However, due to the ship's incident, their return was postponed.