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7 Cards in this Set
- Front
- Back
What is the FPI? and who was it developed by?
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The FPI is a measurment system proposed by Anthony Redmond..as current evaluation techniques have displayed problems with reliability and more importantly validity (static measures reflecting dynamic events)
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What are some of the current measures?
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- calcaneus RCSP/NCSP
- Navicular drop/drift - Arch height/angle - Footprints - valgus index/arch index - Radiographic measures |
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What are the problems with the current measures?
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- High arched feet can pronate from NCSP so arch angle not indicative of Rfoot ROM
- Abducted feet may be high arched - Footprint not indicative of foot function - Single plane measurement too simplistic to predict foot function - What is neutral? - Measurement stem from hypothetical position - Normal (statistical) vs Root normal |
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What are ideal measures? - Essay or short answer question
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- Wb
- Multiplanar - Multisegmental (rearfoot/forefoot etc) - Reliable - valid - Requiring minimal manipulation to subjective position? |
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What does the FPI look at?
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1. talar head palpation
2. Supra and infra malleolar curves 3. TNK buldge 4. congruence of MLA 5. Add/Abd of Ffoot on the Rfoot 6. calcaneal FP position |
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How is the FPI scored?
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- Composite score
- each factor is calculated as -2, -1, 0, 1, 2 - +ve pronation, -ve supination - can identify individual planes by combination of elements |
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How good is the FPI?
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- Reliability intra and inter on different age groups good in one study but less so in a second study (08)
- Validity... pseudo validiation against Valgus Index is good, Cronbach's α = 0.84 - Criterion validation against x-ray measures not well correlated - validation against modelling returned good results, but same as criterion re gross movement |