The treadmill has been designed to absorb the jolts of exercising astronauts so the vibrations do not disturb fragile biotechnology experiments planned aboard the global station. Atlantis blasted off Jan. 12. Late Sunday, the crew concluded a five-day visit to Mir . The shuttle delivered 3 tons of supplies and collected U.S. astronaut John Blaha, a guest aboard the Russian station since September. Russian doctors, said Blaha, believe he will re-adjust to gravity without great difficulty.
Every human being is different when they return to Earth.
So, I may have tremendous difficulty. I may have no difficulty at all. It will be a surprise for me.