The goal of this clinical trial is to determine whether a multicomponent physical exercise program improves functional and cognitive capacity in hospitalized older adults compared to the usual hospital care. The main questions it aims to answer are: * Does a multicomponent physical exercise program improve functional and cognitive capacity? * Is there a difference between a multicomponent physical exercise program and usual care regarding functional and cognitive outcomes after an acute hospitalization? Researchers will compare a multicomponent physical exercise program (containing strength, balance, and walking exercises) to the usual care of the hospital to see if the program is better at maintaining or enhancing functional and cognitive outcomes Participants will: * Participate in multicomponent physical exercise program or receive usual care. The multicomponent group will complete the program daily for the entire hospitalization period; * Perform functional and cognitive tests at the beginning and end of hospitalization; * Be contacted by researchers 3, 6, and 12 months after hospital discharge.
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Short Physical Performance Battery
Timeframe: Baseline and immediately after the intervention
Timed Up and Go
Timeframe: Baseline and immediately after the intervention
6-meter walk test
Timeframe: Baseline and immediately after the intervention
Sit-To-Stand Muscle Power
Timeframe: Baseline and immediately after the intervention
Hand Grip Strength
Timeframe: Baseline and immediately after the intervention
Gait Symmetry
Timeframe: Baseline and immediately after the intervention
Gait Regularity
Timeframe: Baseline and immediately after the intervention
Gait Variability
Timeframe: Baseline and immediately after the intervention
Mini Exam of Mental State
Timeframe: Baseline and immediately after the intervention
Trial Making Test Part A
Timeframe: Baseline and immediately after the intervention
Geriatric Depression Scale
Timeframe: Baseline and immediately after the intervention