Table 1.

Study inclusion and exclusion criteria

Inclusion	Exclusion
Age ≥50 years old	Presence of a terminal disease (eg, receiving hospice services)
Community dwelling	Major medical problem, unstable chronic disease, or psychiatric disorder interfering with safe and successful testing and training (ie, use of supplemental oxygen, current substance abuse, symptomatic orthostatic hypotension, schizophrenia)
Ability to speak and understand English	Myocardial infarction or major surgery in previous 3 months
	Planned major surgery (eg, joint replacement) within upcoming year
Usual gait speed 0.5-1.0 m/s	Baseline Short Physical Performance Battery Score <4
	Use of a walker
	Mini-Montreal Cognitive Assessment <10
	Presence of significant disease specific impairment, such as patients who have peripheral neurologic impairment (ie, significant limb spasticity ≥3/5 on modified Ashworth Scale or rigidity ≥2/4 rigidity), orthopedic impairment (significant loss or restricted motion in major joint; ie, amputee, contracture, severe osteoarthritis), visual impairment