Valgus Knee: Difference between revisions
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Valgus knee or '''knock knee''' is a lower leg deformity that exists when the bone at the knee joint is angled out and away from the body's midline. This deformity is defined as a valgus angle equal to or greater than 10°<ref>Long WJ, Scuderi GRVarus and Valgus Deformities. In: Lotke PA, Lonner JH, eds. ''Knee Arthroplasty, Masters Techniques in Orthopaedic Surgery.'' 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2009:111–125</ref> | Valgus knee or '''knock knee''' is a lower leg deformity that exists when the bone at the knee joint is angled out and away from the body's midline. This deformity is defined as a valgus angle equal to or greater than 10°<ref>Long WJ, Scuderi GRVarus and Valgus Deformities. In: Lotke PA, Lonner JH, eds. ''Knee Arthroplasty, Masters Techniques in Orthopaedic Surgery.'' 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2009:111–125</ref> | ||
The | The valgus deformity is resulted of anatomical variations : ''bone tissue remodelling'' and ''soft tissue contraction/elongation.'' | ||
* | ''<u>Bone tissue remodelling:</u>'' | ||
* Lateral femoral condyle deficiency with external rotation deformity of the tibia and lateral tibial plateau deficiency as well. | |||
* The patellofemoral joint can be affected with lateral subluxation of the patella and trochlear blunting secondary to lateral femoral condylar wear. | * The patellofemoral joint can be affected with lateral subluxation of the patella and trochlear blunting secondary to lateral femoral condylar wear. | ||
''<u>Soft tissue contraction/elongation:</u>'' | |||
* '''The lateral side''' is '''contracted''' including the lateral collateral ligament (LCL), popliteus tendon, posterolateral capsule, iliotibial band (IT band), and posterior capsule. | |||
* '''The medial side''', the soft tissue are '''attenuated''', the medial collateral ligament (MCL) . | |||
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Revision as of 15:53, 25 April 2022
Original Editor - Yesmine Gouddi
Top Contributors - Yesmine Gouddi and Sehriban Ozmen
Definition[edit | edit source]
Valgus knee or knock knee is a lower leg deformity that exists when the bone at the knee joint is angled out and away from the body's midline. This deformity is defined as a valgus angle equal to or greater than 10°[1]
The valgus deformity is resulted of anatomical variations : bone tissue remodelling and soft tissue contraction/elongation.
Bone tissue remodelling:
- Lateral femoral condyle deficiency with external rotation deformity of the tibia and lateral tibial plateau deficiency as well.
- The patellofemoral joint can be affected with lateral subluxation of the patella and trochlear blunting secondary to lateral femoral condylar wear.
Soft tissue contraction/elongation:
- The lateral side is contracted including the lateral collateral ligament (LCL), popliteus tendon, posterolateral capsule, iliotibial band (IT band), and posterior capsule.
- The medial side, the soft tissue are attenuated, the medial collateral ligament (MCL) .
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Resources[edit | edit source]
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References[edit | edit source]
- ↑ Long WJ, Scuderi GRVarus and Valgus Deformities. In: Lotke PA, Lonner JH, eds. Knee Arthroplasty, Masters Techniques in Orthopaedic Surgery. 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2009:111–125
