An external orthopaedic appliance, as a brace or splint, that prevents or assists movement of the spine or the limbs. [G. o., a making straight]
- ankle-foot o. an o. beginning at the toes, crossing the ankle, and terminating on the calf.
- cervical o. an o. designed to limit cervical spine motion to varying degrees, e.g., a soft cervical collar.
- cervicothoracic o. a device designed to limit cervical spine motion by extending to cover more of the upper torso than a standard cervical o..
- knee-ankle-foot o. an o. extending from the upper portion of the thigh, crossing the knee and ankle, and terminating at the toes; designed to control knee and ankle motion.
- thoracolumbosacral o. an external device applied to the trunk and extending from the upper portion of the thoracic spine to the pelvis; designed to provide immobilization of the thoracic spine.
- wrist-hand o. an o. that begins at the fingers, crosses the wrist, and terminates on the distal portion of the forearm; used to provided grasp and release despite some degree of hand paralysis.

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or·tho·sis ȯr-'thō-səs n, pl or·tho·ses -.sēz ORTHOTIC

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a surgical appliance that exerts external forces on part of the body to support joints or correct deformity.

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or·tho·sis (or-thoґsis) pl. orthoґses [Gr. orthōsis making straight] an orthopedic appliance or apparatus used to support, align, prevent, or correct deformities or to improve the function of movable parts of the body. See also brace and splint. orthotic adj

Medical dictionary. 2011.

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  • orthosis — noun (plural orthoses) Etymology: New Latin, from Greek orthōsis straightening, from orthoun to straighten, from orthos Date: 1958 orthotic …   New Collegiate Dictionary

  • Orthosis — An orthosis (sometimes called an orthesis) is a device that is applied externally to a part of the body to correct deformity, improve function, or relieve symptoms of a disease by supporting or assisting the neuro musculoskeletal system. The word …   Wikipedia

  • orthosis — /awr thoh sis/, n., pl. orthoses / seez/. 1. Med. the correction of orthopedic maladjustments. 2. an orthotic. [1955 60; < Gk órthosis a making straight, guidance, equiv. to ortho (var. s. of orthoûn to straighten, v. deriv. of orthós straight) + …   Universalium

  • orthosis — [ɔ: θəʊsɪs] noun (plural orthoses si:z) Medicine a brace, splint, or other device that serves to support part of the body or correct deformity. Origin 1950s: from Gk orthōsis making straight , from orthoun set straight …   English new terms dictionary

  • orthosis — /ɔˈθoʊsəs/ (say aw thohsuhs) noun (plural orthoses /ɔˈθoʊsiz/ (say aw thohseez)) a device applied to the body to modify position or motion, as a supporting collar, plaster cast, etc. {Greek orthōsis a straightening} …  

  • orthosis — noun A type of brace which either prevents, or assists movement of a limb or the spine See Also: orthotics …   Wiktionary

  • orthosis — n. straightening, alignment; (Medicine) correction of orthopedic maladjustments; (Medicine) orthotic, brace or orthopedic apparatus used to support or correct weak muscles or joints or improving function of movable body parts; (Medicine)… …   English contemporary dictionary

  • orthosis — or·tho·sis …   English syllables

  • orthosis — n. a surgical appliance that exerts external forces on part of the body to support joints or correct deformity …   The new mediacal dictionary

  • orthosis —   n. correction of neurotic state …   Dictionary of difficult words

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