DESCRIPTION: An orthotic device custom made for the individual, that allows no movement of the ankle. It is applied to completely limit the ankle joint movement in patients with foot drop, weak dorsiflexion and/or plantarflexion, ligament injury about the ankle, mild knee instability, and valgus/varus.
TECHNICAL DETAILS:
This can be made from plastic or carbon material. They are easy to apply, cover a variety of needs, an economic choice and can be customized by heat molding.
It is rigid type AFO that provides ultimate support of ankle in desired position that has implications for knee control. The rigid design works to prevent excess motion that might lead to instability or can contribute to pain.
They are often used in more severe situations and in conditions with some mediolateral instability. The rigid AFO allows the Three-Point Pressure System to function in the optimal way. It also influences the ground-reaction forces.
It is important to conduct a gait analysis when constructing these devices because we need to know what type of correction to apply. If the AFO moves the ground-reaction force in front of the knee joint at mid-stance, it will
DESCRIPTION: An orthotic device custom made for the individual, that allows no movement of the ankle. It is applied to completely limit the ankle joint movement in patients with foot drop, weak dorsiflexion and/or plantarflexion, ligament injury about the ankle, mild knee instability, and valgus/varus.
TECHNICAL DETAILS:
This can be made from plastic or carbon material. They are easy to apply, cover a variety of needs, an economic choice and can be customized by heat molding.
It is rigid type AFO that provides ultimate support of ankle in desired position that has implications for knee control. The rigid design works to prevent excess motion that might lead to instability or can contribute to pain.
They are often used in more severe situations and in conditions with some mediolateral instability. The rigid AFO allows the Three-Point Pressure System to function in the optimal way. It also influences the ground-reaction forces.
It is important to conduct a gait analysis when constructing these devices because we need to know what type of correction to apply. If the AFO moves the ground-reaction force in front of the knee joint at mid-stance, it will create a hyperextension moment. Alternatively, if the ground-reaction force is moved or remains behind the knee joint, it will create a flexion moment at mid-stance.
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