This study aims to evaluate the feasibility and the impact on physical performance and falls occurence among geriatric inpatients hospitalized in acute care unit.

Having developed many tools to determine fall risk of 65 years and older patients, Angers University Hospital plans to develop a corrective action to prevent the occurrence of falls in this population.

This study aims to assess the feasibility of a physical activity program with 3 difficulty levels (depending on the patient's risk of falling): easy (low fall risk), moderate (average fall risk) and difficult (high fall risk).

The implementation process should be simply and fastly applicable in practice for routine care by paramedics.

Inclusion Criteria:

• Being 65 years old and older
• Being hospitalized in geriatric acute care unit of Angers University Hospital.
• No contraindications to physical activity practice.
• No contraindications to standing station and sitting station.
• Participants having given and signed an informed participation consent. If the participant is unable to answer, we will retain the disagreement expressed by a trusted person.
• Being affiliated to French social security

Exclusion Criteria:

• Refusal of participation
• Persons aged under 65.
• Topics including hospitalization at the entrance should not exceed 3 days.
• Participation in concomitant clinical trial.
• Civil Protection Measures such as trusteeship, guardianship or backup justice underway.