Cosmonauts Vladimir Titov and Musa Manarov are taking long walks as part of their recovery from a record year in space and are having a tough time persuading doctors they feel all right, the Tass news agency said Friday.

Titov and Manarov returned to Earth and the restrictions of gravity Wednesday after 366 days, 22 hours and 39 minutes in the of weightlessness of space, breaking all existing space endurance records."The most difficult thing for us now is to convince the doctors that we are still healthy," Titov said at a news conference.

Speaking to Tass at Star City, a space center outside on the outskirts of Moscow, Titov, 41, said, "yesterday and today, we went outside to take 15 and 20 minute strolls."