Uploaded February 2018 | Updated September 2026, 11 hours ago
• Sitting down
Stand upright, with both feet the same distance from a chair with armrests. Distribute your weight evenly between prosthetic and sound sides; refer to Side-to-side and balance to practice equal loading.
Red light indicates insufficient loading.
Orange light indicates partial loading.
Green light indicates equal loading.
The bar display indicates knee support and the grey shadow the maximum support achieved between 20°and 40° knee flexion.
When you see the green light slowly bend your knees, keeping load on the prosthetic side. Reach back for the chair armrests and sit down; you will feel the knee resistance assisting you as you sit.
Try to achieve maximum output on the bar display indicating support by keeping the prosthetic side loaded (green light).
The app will indicate a successful repetition.
Stand up and repeat.
About The Össur Logic App:
supports clinicians to empower users, providing easy exercises
that can be done from rehab to home and at a pace to suit the individual. Helping to improve confidence and gait, the exercises
include symmetric weight bearing, rolling over the toe, more symmetric sitting down and stair descent.
• Sitting down
Stand upright, with both feet the same distance from a chair with armrests. Distribute your weight evenly between prosthetic and sound sides; refer to Side-to-side and balance to practice equal loading.
Red light indicates insufficient loading.
Orange light indicates partial loading.
Green light indicates equal loading.
The bar display indicates knee support and the grey shadow the maximum support achieved between 20°and 40° knee flexion.
When you see the green light slowly bend your knees, keeping load on the prosthetic side. Reach back for the chair armrests and sit down; you will feel the knee resistance assisting you as you sit.
Try to achieve maximum output on the bar display indicating support by keeping the prosthetic side loaded (green light).
The app will indicate a successful repetition.
Stand up and repeat.
About The Össur Logic App:
supports clinicians to empower users, providing easy exercises
that can be done from rehab to home and at a pace to suit the individual. Helping to improve confidence and gait, the exercises
include symmetric weight bearing, rolling over the toe, more symmetric sitting down and stair descent.










