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Orthotics
Exam 1
42
Medical
Graduate
02/24/2012

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Term
A device used to protect, support, or improve the function of a body part which moves.
Definition
Orthotic
Term
Name 3 types of spinal orthoses.
Definition
Immobilization
Supportive
Corrective
Term
This type of spinal orthosis is used after a trauma possibly as a surgical fixation. It limits motion in portions of the spinal column and may be worn several weeks or months.
Definition
Immobilization
Term
Give a few examples of an immobilization spinal orthosis
Definition
Body Jacket
Halo
TLSO
Ex. Fixator
Term
This type of spinal orthosis provides temporary care in cases of pain in cervical or TL regions of the spine. It can be used to increase intra-abdominal pressue or as a kinesthetic reminder of restraint of painful ROM. It also applies pressure over the larges possible surface area.
Definition
Supportive
Term
Give a few examples of a supportive spinal orthosis
Definition
Soft C-collar
Philadelphia Collar
Abdominal Binder
Term
This type of spinal orthosis is primarily used in children that have spinal diseases such as scoliosis and kyphosis
Definition
Corrective
Term
What is an issue with a cervical thoracic orthosis?
Definition
It is very uncomfortable and hits the face and neck a lot. Can cause pressure sores at the chin or on the back of the neck
Term
Name 2 types of cervical collars
Definition
Philadelphia
Philadelphia with stabilizer
Term
Name 3 types of cervical orthoses
Definition
Malibu
Marlin
Soft (for whiplash)
Term
What is a typical orthosis for a pt with a lower back fx
Definition
LSO with hip extension (pt will not be able to sit)
Term
What type of orthosis is good for females with large breasts or for a female who is pregnant?
Definition
Off the Shelf Jewett Brace
Term
What 5 aspects effect the selection of materials used in orthosis
Definition
1. Strength
2. Stiffness
3. Durability
4. Density
5. Corrosion Resistance
Term
Max external load that the material can support or sustain
Definition
Strength
Term
The amount of bending or compression that occurs on loading (determined by whether the amount of external stability is desired or conformation to body segments is the goal)
Definition
Stiffness
Term
The ability of the material to withstand repeated cycle of loading or unloading during functional activities.
Definition
Durability
Term
A material's weight per unit volume. Determines energy cost during functional activities
Definition
Density
Term
The degree to which the material is susceptible to chemical degradation (perspiration, incontinence)
Definition
Corrosion Resistance
Term
Name 4 types of materials used in orthosis
Definition
Leather
Metals - aluminum or titanium
Plastics
Combination
Term
Used for supportive components such as straps, belts, and as a covering for pelvic, thigh, or calf bands
Definition
Leather
Term
Name the 4 aspects of fabrication
Definition
Measurement
Negative Mold
Positive Mold
CAD/CAM (Computerized-aided design/computer-aided manufacture) systems
Term
What are the benefits of off the shelf orthoses?
Definition
-Economical
-Readily Available
-Can be used to determine need for orthosis
-Standard sizes available
Term
What are some disadvantages of off the shelf orthoses?
Definition
-Difficult to properly fit the pt
-May cause pressure sores
-Fewer options
-Most often plastic is the only material available
Term
What are some benefits to a custom orthosis?
Definition
-Custom, intimate, fitted to pt
-Less likely to cause skin breakdown
-More comfortable
-Greater options to meet pt needs
-Various materials can be used
Term
What are some disadvantages to custom orthoses?
Definition
-Costly
-May take a while to fabricate
-Does not conform to weight change
Term
What types of skin care should you do when wearing an orthosis?
Definition
-Twice daily skin inspections
-Redness indicates improper fit or donning/doffing issues
-If redness occurs, discontinue wear until orthosis is evaluated
Term
With this orthosis the pt will need to donn/doff independently, it helps decrease energy expenditure by advancing the legs.
Definition
RGO
Term
What type of SCI would be appropriate for an RGO?
Definition
Para or low tetra plegia SCI pt
Term
Is good standing balance important in an RGO?
Definition
Yes
Term
This type of lock requires the pt to back up to a chair and hit it to unlock. It is hard to fit under clothin and pt can fall if another person hits it.
Definition
Bail Lock
Term
-A plastic/metal combo
-Casted to fit the pt
-May be adjusted at the ankle to increase or decrease DF/PF
-Designed to fit against the skin
Definition
Custom HKAFO
Term
-Metal/leather combo
-Ankle adjustments
-Knee pad
-Stirrups to fit shoes
-Channot change shoes easily
Definition
LE Conventional Orthosis
Term
This is common in colorado. Uses a bail lock and must be extremely stable in stance
Definition
Scott-Craig Orthosis
Term
-Plastic/metal combo
-Lighter weight
-Does not change well when pt grows
-May or may not have ankle adjustments
-The part that is on the calf is plastic so gets hott and sweaty in the summer
Definition
Custom molded plastic KAFOs
Term
-Helps pt strengthen as they walk
-Can adjust to give pt more or less control
-Allows pt to step instead of walking "locked"
Definition
Stance Control Orthosis
Term
What type of pt may need a resting hand splint?
Definition
-Anyone who has no function hand fxn
-Stroke, TBI, MS, SCI, ALS
-Guillan-Barre
Term
What SCI level needs a wrist extension splint?
Definition
-C5-6
-C4 is too involved
-C7-8 has wrist ext
Term
Name 3 aspects in the maintenance of orthosis
Definition
-Daily cleaning and inspecting
-Periodic evaluation to determine the fit of the orthosis based on pt changes
-Sevicing schedule by the orthotist dependent upon the type of orthosis, materials used and the knowledge and abilities of the pt or caregiver
Term
Name some positive effects of orthotic wear
Definition
-Support the body part on which its applied
-Motion control:
-Via mechanical support
-Via psychological/proproceptive restraint
-Spinal Relignment thru mechanical support/forces
-Helps with bone density, joint ROM, stretching, GI fxn, and circulation
Term
What are some negative effects of orthotic wear?
Definition
-Weakness and atrophy by supporting the joint too much
-Tightness and/or contracture formation if the position is maintained too long
-Aggravation of sypmptoms (spasm)
Term
What are 6 things to think about when recommending a LE orthosis to a pt?
Definition
-Based on dx
-Function/activity level
-Size
-Pt preference
-Insurance
-Age
-Pt goals (exercise/community fxn)
Term
If pt has not stood in over 6 months, you need to get what done first before standing?
Definition
bone density study to check for osteoporosis
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