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NPTE: Prosthetics

QuestionAnswer
Describe Syme's Disarticulation Ankle disarticulation with attachemtn of the heel pad to the distal end of tibia for weight bearing
For a long below-knee amputation, how much of the tibial length is spared? More than 50% of the length spared
Desired tibial length for below-knee amputation 20-50% of length spared
For a long above-knee amputation, how much of femoral length is spared? More than 60% of the length spared
Desired femoral length for above-knee amputation 35-60% of length spared
Define Hemicorporectomy Amputation of both lower limbs and pelvis below L4-L5 level
Disadvantages of Rigid Dressing Requires careful application & close supervision during healing stages, does not allow for daily wound inspection or dressing changes
Advantages of a Temporary Prosthesis Shrinks residual limb more effectively than elastic wrap, allows for early bipedal ambulation & return to function, positive motivational factor, reduces need for complex exercises
Advantages of Soft Dressing Relatively inexpensive, lightweight, readily available, easily laundered
Socks should not exceed... 15 ply thickness for proper fit & weight bearing of socket
SACH (Solid Ankle Cushioned Heel) Foot allows motion in... Plantarflexion with small amounts of mediolateral & transverse motions
Describe a Patellar-tendon bearing socket A total contact socket that allows for maximum distribution of the load and and assistance in venous blood circulation.
Describe a Quadrilateral Socket Medial & posterior walls are same height, Anterior & Lateral walls are 2.5-3 inches higher, A horizontal posterior shelf to support ischial tubs & gluteals
List anatomic causes for Excessive Knee Flexion at Initial Contact Flexion contracture, weak quadriceps
List Prosthetic Cause for Excessive Lateral Thrust at Midstance Excessive foot inset
List Prosthetic Cause for Excessive Medial Thrust at Midstance Excessive foot oustet
List Prostheitc Causes of Circumduction during Swing Phase in AKA Long prosthesis, locked knee unit, loose friction, inadequate suspension, small socket, loose socket, foot plantarflexed
List Anatomic Causes of Lordosis during Stance Hip flexion contracture, weak extensors
List Prosthetic Causes of Lateral Trunk Lean during Stance Short prosthesis, inadequate lateral wall adduction, sharp or high medial wall
Created by: zimrizzle on 2010-09-13



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