3.4 Surgical Approaches & Prosthesis Alignment
The most commonly used surgical approaches for TKR
The most commonly used surgical approaches for TKR
01. The medial parapatella approach cuts which large muscle?
02. The subvastus approach maintains the integrity of the extensor mechanism
03. The midvastus approach provides good visualisation of the patella
04. The trivector approach allows lateral patella subluxation
05. An object in 3D space can said to have how many freedoms of movement?
06. The three anatomical alignment planes are
07. Anterior and posterior movements occur in which axis?
08. Medial and lateral movements occur in which axis?
09. Superior and inferior movements occur in which axis?
10. Varus and valgus rotation occurs arround which axis?
11. Flexion and extension rotation occurs around which axis?
12. Internal and external rotation occurs around which axis?
13. In extension coronal alignment of the knee is established by the proximal tibial and distal femoral bone cuts
14. Coronal alignment is implant specific
15. The natural joint line forms what angle with the HKA axis?
16. The HKA axis is parallel to the midline
17. Tibial cut alignment is set by which of the following
18. The prosthetic tibial joint line is perpendicular to the midline
19. Sigma tibial components are designed to be placed in how many degrees of flexion?
?20. LCS Complete tibial components are designed to be placed in how many degrees of flexion?
3.4S68
7-10° oder 10°?
21. Tibial bone resection values are usually between
22. The femoral distal cut alignment is set by which of the following
23. The Sigma distal cut is made perpendicular to the mechanical axis
??24. The LCS Complete distal cut is made perpendicular in the coronal plane and in 15° of extension in the sagittal plane
ev. 3.4S75
??25. Internal/external rotation of the femoral A/P cuts can be made by which of the following
26. The flexion gap is made by
27. The extensioin gap is made by:
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Flashcards
01. The medial parapatella approach cuts which large muscle?
02. The subvastus approach maintains the integrity of the extensor mechanism
03. The midvastus approach provides good visualisation of the patella
04. The trivector approach allows lateral patella subluxation
05. An object in 3D space can said to have how many freedoms of movement?
06. The three anatomical alignment planes are
07. Anterior and posterior movements occur in which axis?
08. Medial and lateral movements occur in which axis?
09. Superior and inferior movements occur in which axis?
10. Varus and valgus rotation occurs arround which axis?
11. Flexion and extension rotation occurs around which axis?
12. Internal and external rotation occurs around which axis?
13. In extension coronal alignment of the knee is established by the proximal tibial and distal femoral bone cuts
14. Coronal alignment is implant specific
15. The natural joint line forms what angle with the HKA axis?
16. The HKA axis is parallel to the midline
17. Tibial cut alignment is set by which of the following
18. The prosthetic tibial joint line is perpendicular to the midline
19. Sigma tibial components are designed to be placed in how many degrees of flexion?
?20. LCS Complete tibial components are designed to be placed in how many degrees of flexion?
3.4S68
7-10° oder 10°?
21. Tibial bone resection values are usually between
22. The femoral distal cut alignment is set by which of the following
23. The Sigma distal cut is made perpendicular to the mechanical axis
??24. The LCS Complete distal cut is made perpendicular in the coronal plane and in 15° of extension in the sagittal plane
ev. 3.4S75
??25. Internal/external rotation of the femoral A/P cuts can be made by which of the following
26. The flexion gap is made by
27. The extensioin gap is made by:
