Virtual Tai ji Quan Exercise to Prevent Falls in Older Adults

Inclusion Criteria: * age between 65 and 90 years and * having had 1 or more falls in the preceding 12 months or having a score ≥12 seconds on the Timed Up\&Go (TUG) test. Exclusion Criteria: * showing a diagnosis of dementia or significant cognitive impairment, as indicated by a score of \<24 on the Mini Mental State Evaluation (MMSE, range: 0-30); * being unable to ambulate independently for household distances; (c) having no medical clearance; * having participated in any regular and structured tai ji quan-based or multicomponent exercise programs (≥2 times weekly) in the preceding 6 months; * having any physical condition that would preclude participation in moderate-intensity exercise; and * being unwilling to commit to the duration of the intervention or accept group assignment.