Inclusion Criteria:  Adults who are 60 years of age and older. Who can read and write in Arabic language. Who are able to walk outdoors with no more support than a single point cane.  Exclusion Criteria:  Who have a serious orthopedic condition (e.g., recent lower limb surgery, severe arthritis of a lower limb) or major neurological disorder (e.g., stroke with unilateral or bilateral paresis, Parkinson disease or multiple sclerosis) that could restrict functional mobility. Who are unable to comprehend study information and consent processes due to any illness including dementia.