Multicomponent Exercise to Prevent Hospitalization-Associated Disability

The study is a randomized controlled trial conducted in the Geriatrics Department of a tertiary hospital in Spain (Hospital Universitario de Navarra). Participants aged 75 years or older will be recruited within the first 48 hours of admission to the acute care ward. Eligible hospitalized patients will be randomly assigned to either the intervention or control group using permuted block randomization (block sizes of 8 and 10), with consideration of gender balance. Data will be collected at four time points: baseline assessment, hospital discharge, 1 month, and 3 months post-discharge. Inclusion criteria include age ≥75 years and admission to the acute care unit. Exclusion criteria include refusal or inability to provide informed consent, life expectancy \

Inclusion Criteria: * Age equal to or greater than 75 years, admitted to the acute care unit for medical conditions. Exclusion Criteria: * Explicit refusal expressed verbally or refusal to sign the informed consent by the patient/main caregiver/legal guardian or inability to obtain it. * Life expectancy of less than 3 months or terminal oncological or non -oncological disease. * Inability to follow up. * Inability to participate in a multicomponent exercise program. * Medical contraindication to exercise. * Major neurocognitive disorder at moderate to severe stage (GDS - Fast Reisberg 5-7). * Moderate to severe disability (measured by the Barthel Index (BI \