Reference Values of Different Functional Tests With or Without Cognitive Dual-task in Young Adults

Timed Up and Go Test without dual task

The test measures the time (in seconds) will taken by a participant to stand up from a chair, walk a distance of 3 m, turn, walk back to the chair, and sit down. To perform the test, the participants will sit on a chair, placing his/her back against the backrest and resting his/her arms on armrests. On the instruction "Go", the participants will rise up from a chair, walk to a line/block on the floor 3 m away, turn around, return, and sit back on a chair.

Time frame: Baseline

4 Meter Gait Speed Test without dual task

The participant will walk briskly through the 1-meter "test" zone for acceleration, the central 4-meter "test" zone, and the 1-meter deceleration zone. Time starts with the first leg after the 0 meter line and time is stopped with the first leg after the 4 meter line. In this test, the result is recorded in meters per second (m/s).

Time frame: Baseline

10 Meter Walk Test without dual task

In this test, the participant will walk at the best possible speed in a pre-measured 10-meter area. The time starts when the participant's foot is on the starting line and ends when they cross the finish line. In this test, the result is recorded in total seconds.

Time frame: Baseline

Timed 25-Foot Walk Test without dual task

The participant walks the distance of 7.62 meters as fast as possible but without running. The time to complete the distance will recorded in seconds.

Time frame: Baseline

1 min-Sit-to-Stand Test without dual task

Participants put their hands on their hips and they had to stand up and sit down completely and as many times as possible from a chair (height = 46 cm) without arm rests during one minute. Participants are not allowed to use their arms as support. The number of sit-ups performed during 1 minute will recorded.

Time frame: Baseline

Timed Up and Go Test with dual task

The test measures the time (in seconds) will taken by a participant to stand up from a chair, walk a distance of 3 m, turn, walk back to the chair, and sit down. To perform the test, the participants will sit on a chair, placing his/her back against the backrest and resting his/her arms on armrests. On the instruction "Go", the participants will rise up from a chair, walk to a line/block on the floor 3 m away, turn around, return, and sit back on a chair. The participants will perform with dual task. This dual task will be to say the names of animals.

Time frame: Baseline

4 Meter Gait Speed Test with dual task

The participant will walk briskly through the 1-meter "test" zone for acceleration, the central 4-meter "test" zone, and the 1-meter deceleration zone. Time starts with the first leg after the 0 meter line and time is stopped with the first leg after the 4 meter line. In this test, the result is recorded in meters per second (m/s). The participants will perform with dual task. This dual task will be counting down the months of the year starting from December.

Time frame: Baseline

10 Meter Walk Test with dual task

In this test, the participant will walk at the best possible speed in a pre-measured 10-meter area. The time starts when the participant's foot is on the starting line and ends when they cross the finish line. In this test, the result is recorded in total seconds. The participants will perform with dual task. This dual task will be counting numbers back from 100 by threes.

Time frame: Baseline

Timed 25-Foot Walk Test with dual task

The participant walks the distance of 7.62 meters as fast as possible but without running. The time to complete the distance will recorded in seconds. The participants will perform with dual task. This dual task will be counting numbers back from 100 by sevens.

Time frame: Baseline

1 min-Sit-to-Stand Test with dual task

Participants put their hands on their hips and they had to stand up and sit down completely and as many times as possible from a chair (height = 46 cm) without arm rests during one minute. Participants are not allowed to use their arms as support. The number of sit-ups performed during 1 minute will recorded. The participants will perform with dual task. This dual task will be counting city names.

Time frame: Baseline