Orthotic Services Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
Sagittal Plane Control
The management of forward and backward motion (flexion and extension) through orthotic design, particularly relevant to ankle and knee function during gait.
Footwear Modification
A structural or material alteration made to a shoe to accommodate an orthotic device, correct a deformity, or redistribu...
Forefoot Post
A wedge or platform incorporated into the forefoot section of an orthosis to correct or accommodate forefoot alignment r...
Functional Electrical Stimulation
A technique that uses electrical impulses to activate muscles weakened or paralysed by neurological conditions, often us...
Functional Orthosis
An orthotic device designed to permit and optimise controlled movement during activity, as opposed to providing static i...
Gait Analysis
The systematic measurement and description of human locomotion, used in orthotic practice to identify movement deviation...
Ground Reaction Force
The force exerted by the ground upon the body in reaction to the force the body exerts on the ground, as described by Ne...
Hallux Rigidus
A degenerative condition of the first metatarsophalangeal joint characterised by painful limitation or complete loss of...
Hallux Valgus
A common forefoot deformity in which the great toe deviates laterally toward the lesser toes, often requiring specialist...
Heel Counter
The stiffened cup-shaped component at the rear of a shoe or orthosis that encases and stabilises the calcaneus, resistin...
Heel Cup
The concave posterior section of an orthotic device that cradles the calcaneus, providing rearfoot control and cushionin...
HKAFO
An orthotic device extending from the hip to the foot, used to stabilise multiple lower-limb joints in patients with sig...
Intrinsic Posting
A correction ground or moulded directly into the orthotic shell material itself, rather than added as a separate externa...
ISO 9999
The international standard classification system for assistive products, including orthotics, providing a hierarchical c...
KAFO
Abbreviation for Knee–Ankle–Foot Orthosis; a device spanning the knee, ankle, and foot used to provide stability and con...
Knee-Ankle-Foot Orthosis with Hip Joint
An extended lower-limb orthosis incorporating a hip joint mechanism to control motion at the hip, knee, and ankle simult...
Leg-Length Discrepancy
A difference in the measured length of the lower limbs, either structural (true) or functional, commonly addressed throu...
Medial Longitudinal Arch
The primary weight-bearing arch of the foot, extending from the calcaneus to the first metatarsal head, whose height and...
Metatarsal Pad
A small, dome-shaped padding element placed proximal to the metatarsal heads within a shoe or orthosis to redistribute f...
Metatarsalgia
A clinical term for pain and inflammation localised to the metatarsal heads, commonly addressed through orthotic offload...
Metatarsophalangeal Joint
The articulation between the head of a metatarsal bone and the base of the corresponding proximal phalanx, commonly abbr...
Modular Orthosis
An orthotic device constructed from a range of standardised, interchangeable components that can be assembled and adjust...
Morton's Extension
An orthotic modification involving a rigid plate that extends under the first metatarsophalangeal joint to limit its dor...
Navicular Drop Test
A clinical measurement technique that quantifies medial longitudinal arch mobility by recording the vertical descent of...
Neuropathic Ulcer
A skin wound arising from repetitive pressure or trauma in an area of sensory deficit, commonly associated with diabetic...