Opg Function (Optimised Physiological Gait); Mymodes - Otto Bock X2 Series Instructions For Use Manual

9.6 OPG function (Optimised Physiological Gait)

INFORMATION
The O&P professional can turn the "PreFlex" function on or off using the adjustment software.
All other parameters of the OPG function are always active and cannot be influenced.
The OPG function minimises the prosthesis wearer's prosthetic deviations from a harmonious gait
pattern and promotes more biomechanically correct walking. This function enables the following
features:
PreFlex
PreFlex ensures the knee is in 4° of flexion at the end of swing phase in preparation for loading
response. This makes initiating stance phase flexion easier and forward movement is less restric­
ted.
Adaptive yielding control
The knee joint has auto-adaptive stance and swing extension resistance. The stance flexion resist­
ance experienced by the user is dependent on the slope or incline when walking downhill. When
walking on a ramp, adaptive yielding control manages flexion depending on the angle of the ramp.
The knee joint flexes slowly if the ramp is flat, and flexes quickly if the ramp is steep.
Dynamic stability control (DSC)
DSC ensures the knee will not release stance resistance during biomechanically unstable static
and dynamic conditions. Constantly checking multiple parameters, DSC ensures the optimally
timed decision for the knee to safely switch from stance to swing. Because DSC is always monit­
oring knee function, multi-directional movement and walking backward are also possible without
risk of stance resistance releasing.
Adaptive swing phase control
Instantaneous adaptation to varied walking cadences and to changes of the pendular mass (e.g.
varying footgear) ensures the knee always achieves the swing flexion target angle within (+/-) one
degree. The swing phase extension and flexion resistance experienced by the user are auto-
adaptive.
The flexed and partially loaded knee will also disable the stance phase on slopes and ramps to
allow for greater knee flexion and more ground clearance in the swing phase.

10 MyModes

With the help of adjustment software, the O&P professional can activate and configure up to
5 MyModes in addition to the basic mode. These can be selected by using the Cockpit app. Only
the first 3 MyModes can be selected using movement patterns. Switching by using movement
patterns has to be activated in the adjustment software by the O&P professional.
These modes are intended for specific motion patterns or postures (e.g. inline skating, running
(jogging) ...). Settings can be adjusted using the Cockpit app (see Page 85).
Only when "DUAL" marking is not present (see Page 60)
For information on switching MyModes with the remote control (optional accessory), see the
remote control instructions for use.
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