Agreement and intra-rater reliability between static balance test using Nintendo Wii Balance Board and gait test under dual-task conditions in community-dwelling older adults.

Participants:

Investigators aim to recruit a minimum of 30 participants aged 65 years or above through convenience sampling at an senior activity centre in the Municipality of Aalborg. Participants inclusion critiria is age about 65, the ability to stand for 30 seconds unaided and the ability to walk 8 meters. Exclusion critiria is severe cognitive impairment (e.g., dementia).

Procedure:

Each participant will undergo two testdays separated by approximately two weeks. Both testdays have the same number and order of tests and are placed approximately the same time of the day. At the first testday descriptive information for each participant is collected.

Measuring device:

The Nintendo Wii Balance Board (Nintendo, Kyoto, Japan) is a small portable force plate measuring sway ellipse area and sway speed.

Analysis:

Will include intra-rater reliability for each test and agreement between the two. Calculations of balance/gait costs will be made to unify the unit and to compare the two tests to each other. Results shown by intraclass correlation coeffients and Bland Altman plots.

Inclusion Criteria:

• Minimum 65 years old.
• Community dwelling

Exclusion Criteria:

• Unable to stand unsupported for 30 seconds
• Unable to walk 8 meters unsupported

Minimum 65 year-old community dwelling citizens at activity centers.