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Goals. Gait reviewKey muscles, joint mechanicsCommon conditions for orthoticsLower limb orthotic approachExamples. Normal gait = progression of passenger unit through space with stability and minimal energy output.*. Keep center of gravity in tightest spiralMost efficient CG path = line, only w
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1. Lower limb orthotics Jeff Ericksen, MD
VCU/MCV Dept. of PM&R
2. Goals Gait review
Key muscles, joint mechanics
Common conditions for orthotics
Lower limb orthotic approach
Examples
3. Normal gait = progression of passenger unit through space with stability and minimal energy output.* Keep center of gravity in tightest spiral
Most efficient CG path = line, only with wheels
Perry, J Atlas of Orthotics Double stance occurs in initial and terminal 10% of stance, thus middle 40% of stance is single limb supportDouble stance occurs in initial and terminal 10% of stance, thus middle 40% of stance is single limb support