“…RCACs are independent apartment complexes that provide not more than 28 h per week of a variety of services to those residing in the complex based on the individual's specific needs. Those services include supportive services (e.g., activities related to general housekeeping and recreational activities), personal assistance (e.g., services related to activities of daily living such as dressing, eating, bathing and grooming), and nursing services (e.g., health monitoring and medication management) [ 11 ]. Inclusion criteria were: English-speaking, age ≥ 70 years, capable of providing informed consent, ability to stand independently, free of major acute illness, a short SPPB score ≤ 9 or ≥ 2 in any of the three sections (balance, gait speed, or chair rise), willing to train for 10 min, 3 times per week for two 8-week periods.…”