The aim of this study was to evaluate the efficacy of daily use of a walking platform to improve recovery of preoperative walking speed at hospital discharge following oncological surgery in patients aged 65 or older.

Inclusion Criteria:

• Men or women aged 65 or over
• Candidate for scheduled major oncological surgery and/or surgery with high morbidity
• Patient able to walk for 10 minutes on the walking platform at the time of the test
• Patient affiliated to a social security system
• Signature of informed consent prior to any specific study-related procedure

Exclusion Criteria:

• Patient with severe undernutrition (BMI<18, and/or weight loss >15% in 6 months or >10% in 1 month)
• Emergency surgery
• Physical contraindications preventing use of the platform
• Simultaneous participation in another clinical study that could compromise the conduct of this study
• Patients deprived of their liberty, under guardianship or subject to a legal protection measure, or unable to express their consent.
• Patient unable to undergo trial follow-up for geographical, social or psychopathological reasons.