Comparison of the 6-minute Walking Test in a Corridor and on a Non-motorized Treadmill

6-minutes walking test on a corridor : patient will be asked to achieve the longest possible distance without running. He/she will be allowed to take breaks if he/she feels the need to do so.

6-minutes walking test on a treadmill : patient will be asked to achieve the longest possible distance without running on the treadmill. He/she will be allowed to take breaks if he/she feels the need to do so.