Effect of Muscle Strengthening on the Incidence of Psychomotor Disadaptation Syndrome in Elderly Persons

Inclusion criteria: * Subject over 70 years of age at the time of signing the consent, with no upper limit, * History of a fall, * Subject affiliated with a social health insurance plan, beneficiary or beneficiary's assistant * Subject able to understand the objectives and risks of the research and to give dated and signed informed consent. Exclusion criteria: * Osteoarticular limitations compromising muscle strengthening, * Unstabilized cardiac pathologies, * Unstabilized chronic pathologies, * Unstabilized ventricular and supraventricular rhythm disorders or ECG abnormalities at the inclusion visit, * Swallowing disorders (CNO) * Acute coronary syndrome \< 1 month, * Unstabilized or oxygen-dependent respiratory failure, * Cognitive impairment compromising muscle strengthening achievement (MMSE\<22/30), * Evolving cancers, * Subject under guardianship or curatorship, * Severe malnutrition, * Severe functional limitation.