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Product Description
Bench Alignment
Dynamic Alignment
Heel Stiffness
Toe Stiffness
Instructions for Use (R-720-092, Rev. J)
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Runway_HX_A4.indd 8
Runway® HX Instruction for Use
Product Number: RS2-K1
The Runway® HX is a carbon fiber adjustable heel height prosthetic foot. Its anatomical
gliding ankle maintains appropriate foot alignment to provide knee stability and consistent
performance at all heel heights. The Runway® carbon fiber material stores and returns
energy so that users can walk farther, faster, longer. The Runway® fiber layers are tailored
to an individual's body weight and impact level, providing a customized product for superior
comfort.
Prior to donning the prosthesis:
• Plantarflex/Dorsiflexion foot to match the shoe heel height. (See Operation Section)
• Adduct/Abduct socket to provide appropriate frontal plane angle.
• Flex/Extend socket to provide appropriate sagittal plane angle.
• Move the socket to ensure the weight line falls along the anterior edge of the pylon (see
illustration).
Weight Line
To optimize the heel to toe rollover motion, adjust the following variables:
• Anterior/posterior foot placement
• Dorsiflexion/plantarflexion
• Heel stiffness
Heel too soft
Heel too hard
Toe too stiff
Toe too soft
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Symptoms
• Foot flat occurs too rapidly
• Toe feels excessively stiff
• Knee hyperextension
Solutions
• Shift socket anteriorly in relation to the foot
• Attach rubber stiffening bumpers
Symptoms
• Rapid knee flexion, instability
• Heel to toe progression too rapid
• Lack of energy return sensation
Solutions
• Shift socket posteriorly in relation to the foot
• Verify appropriate foot module category
Symptoms
• Flat spot in rollover motion at slow cadences
Solutions
• Consider a lower category foot module
Symptoms
• Clicking noise at initial contact
• Excessive toe deflection with high impact activity
Solutions
• Consider a higher category foot module
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RS2-K1 Runway® HX
11.02.2021 07:11:43
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