R-720-190 Rev.
E
English
8
4.3.4
Ensure the transverse rotation of the knee and foot is appropriate.
4.3.5
Instruct the user to sit in a chair. Adjust the height of the knee joint axis to match the
contralateral limb as closely as possible.
To prevent risk of injury to the user, perform the static alignment, dynamic alignment,
and set-up between parallel bars.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
4.4
Dynamic Alignment
4.4.1
Instruct the user to take a lunge step with the prosthesis. The lunge motion will allow
the user to feel the
Stance Flexion
resistance and develop confidence. Repeat as
necessary.
4.4.2
Instruct the user to carefully ambulate. Teach the user to flex the ipsilateral hip
extensor muscles at initial contact to stabilize the knee joint.
4.4.3
Train the user to load the prosthetic toe to initiate the swing phase transition.
4.4.4
Train the user to take steps of equal length.
4.4.5
Adjust the alignment in the transverse, coronal and sagittal planes as necessary.
