Otto Bock Genium X3 Setup Manual page 23

Intuitive Stance Function
This function initiates a standing lock for maximizing
stability and comfort while standing with a slightly flexed
knee. This function locks and unlocks the knee only if all
of the initiation criteria are met (see below). Therefore, the
lock will never engage during sitting. Users must load the
blocked
joint
Intuitive Stance Function User Exercises
1 Have the user lock the knee while standing in front of a
chair. Then ask them to sit down. The knee will automati-
cally unlock. Some users might report feeling an initial
"stickiness" as the knee exits Intuitive Stance Function.
2 A sk the user to stand with the knee flexed, not flexing,
and loaded at the top of a ramp. Once the flexion block
engages, ask the user to take a step with their sound foot.
The knee will automatically release the flexion block.
Initiation Criteria (Locking the Knee)
Knee must be:
1 Flexed
2 Not flexing
3 Loaded
4 Not tilting forward or backward
prosthesis with 10% of their body weight to initiate the
Intuitive Stance Function. The flexion valve will be fully
closed once users reach 20% of their body weight through
axial loading, resulting in a standing lock.
Exit Criteria (Unlocking the Knee)
The user must be:
1 Un-weighting or...
2 E xtending faster than a certain speed and allowing
the knee to come close to full extension or...
3 Tilting the shank forward or backward
3 To engage Intuitive Stance Function, it's often easier to
first put the prosthesis slightly ahead of the sound limb,
contract the gluteal muscles to hold the limb in place, and
load the prosthesis.
Genium X3 Set-up Guide | Ottobock 23