The Effects of Prosthesis Inertial Parameters on Inverse Dynamics: A Probabilistic Analysis
Journal of Verification, Validation and Uncertainty Quantification, ISSN: 2377-2166, Vol: 2, Issue: 3, Page: 0310031-310038
2017
- 5Citations
- 15Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations5
- Citation Indexes5
- CrossRef1
- Captures15
- Readers15
- 15
Article Description
Joint kinetic measurement is a fundamental tool used to quantify compensatory movement patterns in participants with transtibial amputation (TTA). Joint kinetics are calculated through inverse dynamics (ID) and depend on segment kinematics, external forces, and both segment and prosthetic inertial parameters (PIPS); yet the individual influence of PIPs on ID is unknown. The objective of this investigation was to assess the importance of parameterizing PIPs when calculating ID using a probabilistic analysis. A series of Monte Carlo simulations were performed to assess the influence of uncertainty in PIPs on ID. Multivariate input distributions were generated from experimentally measured PIPs (foot/shank: mass, center of mass (COM), moment of inertia) of ten prostheses and output distributions were hip and knee joint kinetics. Confidence bounds (2.5-97.5%) and sensitivity of outputs to model input parameters were calculated throughout one gait cycle. Results demonstrated that PIPs had a larger influence on joint kinetics during the swing period than the stance period (e.g., maximum hip flexion/extension moment confidence bound size: stance = 5.6 N·m, swing: 11.4 N·m). Joint kinetics were most sensitive to shank mass during both the stance and swing periods. Accurate measurement of prosthesis shank mass is necessary to calculate joint kinetics with ID in participants with TTA with passive prostheses consisting of total contact carbon fiber sockets and dynamic elastic response feet during walking.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85076872175&origin=inward; http://dx.doi.org/10.1115/1.4038175; http://www.ncbi.nlm.nih.gov/pubmed/35832400; https://asmedigitalcollection.asme.org/verification/article/doi/10.1115/1.4038175/369024/The-Effects-of-Prosthesis-Inertial-Parameters-on; http://asmedigitalcollection.asme.org/verification/article-pdf/doi/10.1115/1.4038175/6385179/vvuq_002_03_031003.pdf; https://dx.doi.org/10.1115/1.4038175; https://asmedigitalcollection.asme.org/verification/article-abstract/2/3/031003/369024/The-Effects-of-Prosthesis-Inertial-Parameters-on?redirectedFrom=fulltext
ASME International
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