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an orthopedic appliance or apparatus used to support, align, prevent, or correct deformities or to improve function of movable parts of the body. See also brace and splint.
cervical orthosis a rigid plastic orthosis that encircles the neck and supports the chin and the back of the head; used in the treatment of injuries to the cervical spine.
dynamic orthosis an orthosis that both gives support and aids in the initiation and performance of movement by a body part.
flexion orthosis (flexor orthosis) tenodesis splint.
An external orthopaedic appliance, for example, a brace or splint, that prevents or assists movement of the spine or the limbs.
[G. orthōsis, a making straight]
orthosis/or·tho·sis/ (or-tho´sis) pl. ortho´ses [Gr.] an orthopedic appliance or apparatus used to support, align, prevent, or correct deformities or to improve function of movable parts of the body.
cervical orthosis one that encircles the neck and supports the chin, used in the treatment of injuries of the cervical spine.
dynamic orthosis a support or protective apparatus for the hand or other body part which also aids in initiating, performing, and reacting to motion.
halo orthosis a cervical orthosis consisting of a stiff halo attached to the upper skull and to a rigid jacket on the chest, providing maximal rigidity.
Etymology: Gk, orthos, straight
a force system designed to control, correct, or compensate for a bone deformity, deforming forces, or forces absent from the body. Orthosis often involves the use of special braces. orthotic, adj., n.
orthosisplural, orthoses Orthopedics The straightening of a deformity; an external device–eg, a cast, brace, or splint used to stabilize, reinforce or immobilize an extremity, ↓ sensory input to an extremity, prevent stretch weakness, ↓ contractures, functionally assist weak muscles, protect a limb with pressure sores, provide a mechanical block to prevent undesired movement Types Orthoses are available for spine, hip, foot, knee. See Foot orthotics, Scapular reaction.
or·tho·sis, pl. orthoses (ōr-thō'sis, -sēz)
An external orthopedic appliance, as a brace or splint, that prevents or assists movement of the spine or the limbs.
[G. orthōsis, a making straight]
orthosis(or-tho'sis) [Gr. orthosis, guidance, straightening]
Any device added to the body to stabilize or immobilize a body part, prevent deformity, protect against injury, or assist with function. Orthotic devices range from arm slings to corsets and finger splints. They may be made from a variety of materials, including rubber, leather, canvas, rubber synthetics, and plastic. orthotic (-thot'ik), adjective
ankle-foot orthosisAbbreviation: AFO
Any of a class of external orthopedic appliances, braces, or splints devised to control, limit, or assist foot and ankle motion and provide leg support. Typically, orthotics are made of lightweight materials such as thermoplastics. See: illustration
A variety of ankle-foot orthoses are used. In the treatment of Achilles' tendon rupture, e.g., the orthosis holds the foot at a right angle to the horizontal plane of the body, in plantar flexion.
balanced forearm orthosisMobile arm support.
halo vest orthosisHalo vest.
A supportive device applied to the back (and often encircling the trunk) that limits the movement of the vertebrae, alleviates pain, or unloads mechanical stress; back brace.
wrist-driven hand orthosisAbbreviation: WDHO
An orthotic that uses the muscles of the wrist, esp. the extensor muscles, to drive the fingers together into a grasping motion. It can be used by people with paralysis of the hand to improve the ability to hold on to and release objects.
wrist-driven wrist-hand orthosisAbbreviation: WDWHO
A dynamic splint used for functional grasp by people with C6 tetraplegia.See: tenodesis (2); universal cuff.
orthosisAn appliance worn on the body to reduce or prevent deformity or to provide support, relieve pain and facilitate movement.
A force system designed to control or correct or compensate for a bone deformity, deforming forces, or forces absent from the body.
pl. orthoses [Gr.] an orthopedic appliance or apparatus used to support, align, prevent or correct deformities or to improve function of movable parts of the body.