Inclusion Criteria:  Patient in Geriatric acute care or Post-Emergency Medicine, Patient 75 years and older, Patient requiring physiotherapy, Patient with a minimum of 7 days of physical therapy Patient arrived with unsuitable footwear (assessment at the discretion of the clinician: no back support, unsuitable size, etc.) or without footwear, Patient able to walk at least 10 m with or without technical assistance, Patient who has given oral consent Patient with social security coverage.  Exclusion Criteria:  Inability to understand or perform study-specific clinical tests Patients with a history of dementia assessed prior to their hospitalization, with an MMSE score ≤ 22/30 Patient who is blind Patient under guardianship or curatorship Patient participating in an interventional clinical research protocol that may alter the assessments in this protocol. Patient with an inability to wear socks or walk barefoot (need for compression socks or stockings, wound, excessive edema, other)