Orthotic Services Glossary

A wedge element placed in the heel section of an orthosis to control subtalar joint motion and calcaneal alignment.

A bilateral HKAFO system that uses a cable or lever mechanism to link the hip joints, enabling alternating hip flexion-e...

A surgical procedure in which the rectus femoris muscle tendon is relocated to alter knee-swing-phase mechanics, often c...

A curved modification applied to the sole of a shoe or orthotic footwear that alters the biomechanical roll-through of t...

The management of forward and backward motion (flexion and extension) through orthotic design, particularly relevant to...

A lateral curvature of the spine of 10 degrees or more (measured by the Cobb method), for which orthotic intervention su...

A lateral hip abduction orthosis designed for use in Legg-Calvé-Perthes disease, holding the femoral head within the ace...

The three-dimensional solid form — traditionally wooden, now often plastic or digital — around which a shoe is construct...

An orthotic device moulded from medical-grade silicone, used primarily for toe, digit, or soft-tissue corrections requir...

A device applied externally to the trunk to support, immobilise, correct, or offload the spine.

The portion of the gait cycle during which the foot is in contact with the ground, comprising approximately 60% of the t...

The articulation between the talus and calcaneus that controls triplanar rearfoot motion, including inversion, eversion,...

The position of the subtalar joint in which the calcaneus is neither inverted nor everted relative to the bisection of t...

The outward rotation of the foot or forearm; in the foot, the combined movement of inversion, adduction, and plantarflex...

The portion of the gait cycle during which the foot is off the ground and the limb advances forward, comprising approxim...

The angular displacement of the talus within the ankle mortise on a stress radiograph, used as a diagnostic indicator of...

The fabrication process in which thermoplastic sheet material is heated until pliable and then moulded over a positive m...

A progressive condition involving failure of the tibialis posterior tendon, resulting in acquired flatfoot deformity and...

Abbreviation for thoracolumbosacral orthosis, a rigid or semi-rigid spinal orthosis extending from the thoracic to the s...

An orthotic device designed to inhibit abnormal muscle tone, particularly hypertonia or spasticity, through specific con...

The uppermost layer of material applied to an orthotic shell or insole, in direct contact with the plantar surface of th...

A close-fitting, non-removable cast applied to the lower limb that distributes plantar pressure across the entire planta...

Abbreviation for Tibialis Posterior Dysfunction, a progressive tendon failure condition leading to acquired flatfoot def...

The shaped cut edge of a thermoplastic orthosis that determines the device's flexibility, rigidity, and the anatomical c...