Evaluation of Balance and Movement in Order to Prevent the Risk of Falling in the Post-operative Period

All patients (hip and knee) upon admission to the Orthopedic Department of the DRS (Rizzoli Sicily Department), throughin the pre-operative setting will undergo an assessment of mobility level, dynamic stability and co-ordination: Test UP and GO, Il Four Square Step Test, Stabilometric Analysis. After admission to the DRS Rehabilitation Medicine Department, hip and knee will receive an evaluation, which is currently used, consisting of: History of fall risk through multidimensional assessment, Compilation of ICF(International Classification of Functioning, Disability and Health) and Barthel Index. The following ratings will also be added: Compiling the Morse scale, Pharmacological history, CIRS (Cumulative Illness Rating Scale)