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Synthesis of standing-up trajectories using dynamic optimizationKuželički, Jernej ...Dynamic optimization as a tool to compute standing-up trajectories was investigated. Sit-to-stand manoeuvres in five intact persons and five trans-femoral amputees were measured. Movement and ground ... reaction forces acting on the body were recorded. A five-segment 3D dynamic model of standing-up was developed. In each particular subject, the optimization criterion which yielded trajectories that best resemble the measured standing-up movement was determined. Since the intact persons used considerably different criteria in choosing the standing-up trajectories than the amputees, the optimal trajectories were computed by minimizing cost functionals (CF) with distinctive structures for each group of individuals. In intact persons, a unique cost functional was found which yielded realistic standing-up manoeuvres. In amputees, subject-specific sets of parameters indicating slightly different preferences in optimizing the effort of particular muscle groups were used.Vir: Gait & posture. - ISSN 0966-6362 (Vol. 21, no. 1, 2005, str. 1-11)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2005Jezik - angleškiCOBISS.SI-ID - 556393
Avtor
Kuželički, Jernej |
Žefran, Miloš |
Burger, Helena |
Bajd, Tadej
Teme
Amputation |
rehabilitation |
Amputees |
Artificial Limbs |
Adult |
Biomechanics |
Case-Control Studies |
Femur |
surgery |
Models, Biological |
Movement |
physiology |
Posture |
Reference Values |
Sampling Studies |
Sensitivity and Specificity |
Amputacija |
rehabilitacija |
Amputiranci |
Umetni udi |
Odrasli |
Biomehanika |
Kontrolirane študije |
Stegnenica |
kirurgija |
Modeli biološki |
Gibanje |
fiziologija |
Drža |
Normalne vrednosti |
standing-up |
dynamic optimization |
prostheses |
trans-femoral amputation
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Kuželički, Jernej | 19222 |
Žefran, Miloš | 12126 |
Burger, Helena | 14962 |
Bajd, Tadej | 02813 |
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