Keeogo is an ambulatory assistive device that is fitted to the lower body, and is powered at the knee. This computer-controlled orthosis provides complementary force to the knee joint throughout a variety of activities, including knee flexion, extension and eccentric knee control in swing phase and weight bearing of gait. Keeogo integrates seamlessly with movements initiated by the user him/herself, and provides assistance based on the detected activity. It helps people regain their autonomy through mobility, with dignity and confidence.