LE, UE, Spinal Orthotics Flashcards
(82 cards)
What is a PRAFO stand for?
Pressure Relieving Ankle Foot Orthosis
What is a PRAFO indicated for?
Contracture prevention and pressure prevention caused by:
Neuro involvement (CVA, SCI, TBI)
Orthopedic (hip fracture, amputation)
Long term immobility (ICU)
What is the main orthotic principle?
3 point pressure system
What are design considerations for orthotics?
diagnosis, prognosis, comorbidities, height, weight, cost, cosmesis, degree of deformity, degree of correction, musculoskeletal factors, mobility requirements, stability requirements, anticipated functional level
What are the 5 trim lines?
Proximal (focuses on knee) Anterior (determines motion at ankle) Ankle Foot (medial and lateral stability) Metatarsal (effects push off, if behind MT heads you'll have more rocker but less push off, if past toes it extends push off)
What do you evaluate as a PT for orthotics?
Functional ROM: midtarsal, subtalar, talocrural, knee, and hip joints
Functional Muscle Strength: focus on general LE muscle groups
What do you look at for foot alignment?
Supination, pronation, skeletal deviations
What do you look at for ankle alignment?
foot drop, medial/lateral instability, plantarflexion contracture
What do you look at for knee alignment?
Flexion, genu recurvatum, genu varum, genu valgum
What is the foundation of any orthotic?
SHOES
What are characteristics of prefabricated AFOs?
"off the shelf" limited fit and function mild involvement temporary use diagnostic procedures
What are custom fit orthotics?
prefabricated device modified to fit a specific patient
What support does custom fit orthotics provide?
Provide limited fit and function
mild to moderate involvement
temporary use
diagnostic procedures
What is the process for getting a custom fabricated orthotic?
casting, measurement, negative mold, positive mold, fabrication, modification
What is the most common orthotic in kids?
Supramalleolar (SMO/DAFO)
What support does a DAFO provide?
allows DF and PF
provides forefoot, midfoot, and subtalar stability
tone management
has no force or stability around ankle
What does ground reaction orthotic facilitate?
pre-tibial cuff facilitates knee extension
rigid foot plate facilitates push-off
capable of tri-planar motion control
What is purpose of patellar tendon bearing orthotic?
reduces force on mid-foot and heel
What does a solid ankle orthotic do?
trim lines encompass malleoli to immobilize ankle and provide medial and lateral stability.
Maximum motion control in all planes
Disrupts normal gait because it doesn’t allow PF or rocker.
What is purpose of semi solid orthotics?
Trim lines bisect malleoli which takes away some restriction of solid AFO.
Allows some DF in late stance.
Provides some M-L stabilization
What is posterior leaf spring?
Stores energy during loading.
Releases energy to facilitate swing.
Provides little M-L stability
What does a articulated AFO do?
various materials can be used
can address multiple biomechanical functions (DF stop, PF stop, DF assist)
varying levels of adjustability
Size/weight and cosmesis may be problematic
What are types of articulated AFOs?
Oklahoma ankle joint with PF stop
Gillete ankle with DF assist
Chamber axis hinge
What is metal upright orthosis?
Easily adjustable
maximal stabilization
may be indicated for patients with high risk feet or fluctuating edema.
weight and cosmesis are major concerns