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Accommodative foot orthoses

Soft or semirigid orthoses designed to have little effect on foot function while providing protection or relief to particular painful or pressure sensitive areas or structures of the foot.

Adjustable positioning orthotic joints

Movable single-axis hip joints with additional componentry that allows the orthotist to position the thigh in positions other than frontal and transverse plane neutral.

Alignment stability

Stance phase knee extension stability created by aligning the prosthetic or orthotic knee joint posterior to the gravity line or ground reaction force vector.


The surgical removal of a limb or body part. In this text, the term is used to refer to the removal or absence of a limb.

Anchoring (in clinical reasoning)

A cognitive error in the diagnostic process; locking into a particular diagnosis too early and failing to properly consider other plausible alternatives.

Angulation osteotomy

A surgical procedure for a medium or long residual humerus where the distal part of the bone is angled and pinned in place to provide an area for socket suspension.

Ankle disarticulation

Amputation through the ankle. May also be known as a Symes amputation.


An orthotic component or design that produces a force to aid a designated joint motion. For example, a dorsiflexion assist is an orthotic component or design that provides a force to aid dorsiflexion.


Tissue transplanted from one part of the body to another in the same individual.

Biomechanical analysis

The process of methodical observation of a client performing an activity, breaking it into component parts, comparing the movements in each component to typical or effective movement, and identifying the impairments or abnormalities that may limit or restrict the individual's ability to perform the activity.


An orthosis or cast that is cut into halves, usually resulting in a front and a back component, with openings on the sides.


An oxford shoe throat style in which the vamp (the upper) and tongue are made from one piece of material and the quarters lap over the vamp and are free distally. This style is preferred for use with most orthoses because it provides greater adjustability and is generally easier to don and doff.

Body image

Each individual's concept of his or her own body as an object in and bound by space independently and apart from all other objects.

Body jacket

A total contact molded plastic trunk orthosis, which may be trimmed as a lumbosacral (LSO) or a thoracolumbosacral (TLSO) orthosis.

Body powered

A prosthesis in which the force for operating the prosthetic components comes from a motion of the body.

Body sock

A garment like a tightly fitting T-shirt that is specially made to fit under spinal orthoses to protect the skin.


A term to describe the shape of a residual limb that has a rounded distal end that is larger than the proximal part.


Destruction of tissue by burning or freezing; burning was used to close wounds in early days.

Charcot-Marie-Tooth disease

A hereditary motor and ...

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