Despite recent controversy, it is not yet formally rec- ognised how lower-limb prosthesis should be assessed for their performance. To assist in this process, ex- periments are undertaken to investigate the linearity, stiffness and assessment of feet based energy return prosthesis technology typically used for elite level high speed running. Through initial investigations, it is concluded that static load testing would not be rec- ommended to specify or regulate energy return pros- theses for athletes with a lower-limb amputation. Fur- thermore, an assessment of energy return technology when loaded under dynamic conditions demonstrates changes in mechanical stiffness due to bending and effective blade length variation during motion. Such radical changes of boundary conditions due to load- ing suggest that any assessment of lower-limb pros- thesis technology in the future should use methods that do not assume linear mechanical stiffness. The research into such effects warrants further investiga- tion in the future. Keywords:
CITATION STYLE
Dyer, B., Sewell, P., & Noroozi, S. (2013). How should we assess the mechanical properties of lower-limb prosthesis technology used in elite sport?—An initial investigation. Journal of Biomedical Science and Engineering, 06(02), 116–123. https://doi.org/10.4236/jbise.2013.62015
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