Evaluation of a Microprocessor-controlled Prosthetic Knee-ankle System (SPCM)

Inclusion Criteria: * Amputee at or above knee level * Person fitted for more than 3 months with a microprocessor-controlled knee support phase and oscillating phase, in accordance with the conditions for reimbursement set out in the LPPR. * Person with a level of activity according to the International Classification of of Functioning, Disability and Health greater than or equal to d4602 (moving around outside the house and other buildings) * Person able to understand simple commands, to read and write, and to give their informed consent * Person who has given informed consent * Person affiliated to a social security scheme Exclusion Criteria: * Minor * Person of full age subject to a legal protection measure or unable to express consent * Pregnant or breast-feeding women * Persons with bilateral amputations * Person with a neurological or orthopedic pathology with major repercussions on locomotion * Persons with a ground/knee height of less than 43.5 cm or more than 55 cm * Persons weighing more than 125 kg * Foot size less than 24 cm or greater than 30 cm * Person with a hip disarticulation * Person without an emergency walking solution * Person with a suspension fitting with vacuum pump * Person planning a trip outside Europe or unable to return in less than 24 hours (in case of device failure) for the duration of the protocol.