Systematic Variation of Prosthetic Foot Spring Affects Center-of-Mass Mechanics and Metabolic Cost During Walking

@article{Zelik2011SystematicVO,
  title={Systematic Variation of Prosthetic Foot Spring Affects Center-of-Mass Mechanics and Metabolic Cost During Walking},
  author={Karl E. Zelik and Steven H. Collins and Peter Gabriel Adamczyk and Ava D. Segal and Glenn K. Klute and David Crespi Morgenroth and Michael E. Hahn and Michael Orendurff and Joseph M. Czerniecki and A. D. Kuo},
  journal={IEEE Transactions on Neural Systems and Rehabilitation Engineering},
  year={2011},
  volume={19},
  pages={411-419}
}
Lower-limb amputees expend more energy to walk than non-amputees and have an elevated risk of secondary disabilities. Insufficient push-off by the prosthetic foot may be a contributing factor. We aimed to systematically study the effect of prosthetic foot mechanics on gait, to gain insight into fundamental prosthetic design principles. We varied a single parameter in isolation, the energy-storing spring in a prototype prosthetic foot, the controlled energy storage and return (CESR) foot, and… CONTINUE READING
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