PhD Fekete - SZIE version - 2.2 - Szent István Egyetem

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3.5. Conclusions about the early numerical models.................................................104 3.6. The new numerical-kinematical model..............................................................108 3.6.1. Introduction.......................................................................................................108 3.6.2. Limitations and advancements of the model.....................................................108 3.6.3. Geometrical models ..........................................................................................109 3.6.4. Multibody models .............................................................................................110 3.6.5. Calculation method ...........................................................................................114 4. RESULTS .......................................................................................................................119 4.1. Results regarding the analytical-kinetical model..............................................119 4.1.1. Effect of the center of gravity – Standard squat model.....................................119 4.1.2. Effect of the center of gravity – Non-standard squat model .............................121 4.2. Results regarding the numerical-kinematical model........................................127 4.2.1. Individual results of the prosthesis models .......................................................127 4.<strong>2.2</strong>. Discussion and interpretation of the results ......................................................132 4.3. New scientific results ...........................................................................................139 5. CONCLUSIONS AND SUGGESTIONS .......................................................................143 6. SUMMARY ....................................................................................................................147 7. ÖSSZEFOGLALÁS (SUMMARY IN HUNGARIAN) .................................................148 APPENDIX ..............................................................................................................................149 A1. Bibliography.....................................................................................................................149 A2. Publications related to the thesis ....................................................................................162 A3. Geometric model creation ...............................................................................................164 A4. Mathematical-anatomical models...................................................................................166 ACKNOWLEDGEMENTS......................................................................................................178
NOMENCLATURE AND ABBREVIATIONS F pf : Patellofemoral compression force (N) F tf : F q : F , F : pt F s : F N : F h : F re : F rh : pl Tibiofemoral compression force (N) Quadriceps tendon force (N) Patellar tendon force (N) Friction force (N) Normal force (N) Hamstring muscle force (N) External force for knee extension (N) External force for knee flexion (N) F GR : Measured ground reaction force (N) T extension : Extension torque (Nm) T flexion : Flexion torque (Nm) BW: D h : Body weight force (N) Moment arm of hamstrings muscle (mm) D pl : Moment arm of patellar tendon (mm) D r : M q : Moment arm for external force (mm) Moment arm of the quadriceps force about the patellofemoral contact point (cm) M pt : Moment arm of the patellar tendon force about the patellofemoral contact point (cm) M act : Actual moment arm of patellar tendon about the tibiofemoral contact point (cm) M eff : Effective moment arm (cm) d : Moment arm of the net knee moment in case of standard squat (m) – 1 –
Page 1 and 2: SZENT ISTVÁN UNIVERSITY KINETICS A
Page 3: CONTENTS NOMENCLATURE AND ABBREVIAT
Page 7 and 8: ψ : Angle between the quadriceps t
Page 9 and 10: v CTt : Tangential velocity compone
Page 11 and 12: Introduction 1. INTRODUCTION AND OB
Page 13 and 14: 1.3. Aims of the PhD thesis Introdu
Page 15 and 16: Literature review 2. LITERATURE REV
Page 17 and 18: Literature review Figure 2.3. The f
Page 19 and 20: Literature review Figure 2.6. Patel
Page 21 and 22: Literature review Figure 2.8. Compo
Page 23 and 24: Literature review The knee carries
Page 25 and 26: Literature review For this reason,
Page 27 and 28: Literature review Figure 2.12. Thre
Page 29 and 30: Literature review As a short overvi
Page 31 and 32: Literature review Moment arm 60 [mm
Page 33 and 34: Literature review I. They demonstra
Page 35 and 36: Literature review The presented mod
Page 37 and 38: Literature review ε angle [˚] 100
Page 39 and 40: Literature review Fpf/Fq [-] 1.2 1
Page 41 and 42: Literature review β angle [˚] Mal
Page 43 and 44: Literature review Figure 2.35. Mech
Page 45 and 46: Literature review Moment arm 60 [mm
Page 47 and 48: Literature review Let us follow the
Page 49 and 50: Literature review Finally, the pate
Page 51 and 52: Literature review Figure 2.43. Tota
Page 53 and 54: Literature review One great advanta
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Literature review Implant wear is t
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2.3.2. General numerical models Lit
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a) The tibia plateau is a flat surf
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Literature review From their calcul
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Literature review Although a simila
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Literature review Slide/Roll [-] 1
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Literature review Figure 2.62. Mult
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Materials and Methods 3.1. Methodol
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Materials and Methods For the sake
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Materials and Methods 9 th QUESTION
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Materials and Methods 3.3. New anal
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Materials and Methods 3.3.3. Free-b
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Materials and Methods Figure 3.6. F
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Materials and Methods By the introd
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Materials and Methods 3.4. Experime
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Materials and Methods Figure 3.7. C
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Materials and Methods All of the pa
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Materials and Methods 3.4.5. Measur
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x c Materials and Methods ∑ Fi
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Materials and Methods Probability D
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Materials and Methods Figure 3.18.
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Materials and Methods By doing so,
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3.4.7.2. Steps of the approach Mate
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Materials and Methods All the funct
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Materials and Methods β [º] 40 20
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Materials and Methods If the center
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Materials and Methods By the use of
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Materials and Methods Thus, one pri
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Materials and Methods I. The patter
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3.6.3. Geometrical models Materials
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Materials and Methods − − −
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3.6.4.3. Contact [MSC.ADAMS] Materi
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Materials and Methods Besides the k
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Materials and Methods By multiplyin
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Results 4. RESULTS 4.1. Results reg
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Results This closely equal percenta
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Results Fpf/BW [-] 8 Fekete et al.
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Results In reality, human subjects
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Results 4.2. Results regarding the
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Results 0.8 Χ [-] 1 Sliding-rollin
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Results Χ [-] 1 Sliding-rolling ra
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Results Among the tested prostheses
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Results χ [-] 1 Averaged sliding-r
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Results Χ [-] 1 Sliding-rolling ra
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4.3. New scientific results Results
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Results 3 rd Thesis: Based on the m
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Conclusions and Suggestions 5. CONC
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Conclusions and Suggestions Suggest
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Summary 6. SUMMARY In this doctoral
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Appendix APPENDIX A1. Bibliography
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Appendix [31] Csizmadia B. M., Nán
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Appendix [61] Gill H. S., O’Conno
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Appendix [93] Klebanov B. M., Barla
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Appendix [123] Nägerl H., Frosch K
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Appendix [154] Reuben J. D., McDona
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Appendix [187] Wahrenberg H., Lindb
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Appendix 6. Fekete G., Kátai L.: M
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Appendix Figure 3. Setting Stitchin
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Appendix Fpf/Fq [-] 1.2 h = 6 mm h
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Appendix η1 angle [˚] 6 Hirokawa
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Appendix Figure 13. Mechanical mode
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Appendix Ψ angle [˚] 10 Van Eijde
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Appendix Figure 19. Mechanical mode
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Appendix - 177 -
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PhD Fekete - SZIE version - 2.2 - Szent István Egyetem

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