Andrew D. Hanlon

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There is currently no universal model or fitting method to characterize the visco-elastic behavior of the lumbar spine observed in displacement versus load hysteresis loops. In this study, proposed methods for fitting these loops, along with the metrics obtained, were thoroughly analyzed. A spline fitting technique was shown to provide a consistent(More)
We use the Hofer norm to show that all Hamiltonian diffeomorphisms with compact support in R 2n that displace an open set with a nonzero Hofer-Zehnder capacity move a point farther than a capacity-dependent constant. In R 2 , this result is extended to all compactly supported symplectomorphisms. Next, using the spectral norm, we show the result holds for(More)
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