To provide ground reaction forces to the knee which assist in stabilizing the knee during ambulation.
Indication of floor reaction orthosis.
As the body weight brings the heel downwards the supra patellar band will press the knee back preventing knee from buckling during stance phase.
In these cases the floor reaction afo functions to maintain the affected joints in proper alignment to accentuate knee extension at midstance and compensate for weak or absent gastroc soleus calf muscles.
Dorsiflexion assist for foot drop.
Cva w quadricep weakness.
Floor reaction orthosis it was described by saltiel for the use of weak quadriceps or plantar flexors in 1969.
It holds the ankle in equinus to prevent the heel from touching the ground.
A ground floor reaction ankle foot orthosis grafo or frafo is a type of custom fabricated molded plastic afo capable of triplanar control of the foot ankle complex.
It is a stance phase control orthosis.
Indication management of a crouch gait which is characterized by excessive ankle dorsiflexion increased knee flexion and increased hip flexion in midstance.
Contraindications hip flexion contracture 30 knee flexion contracture 20 and a thigh foot angle 15 external.
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Solid ankle designs available.
A floor reaction afo is generally used with patients affected by neurological conditions such as spina bifida cerebral palsy brain injury spinal cord injury and post polio paralysis.