ArticleArchives of orthopaedic and trauma surgery2020
The effects of soft tissue lateral release on the stability of the ligament complex of the knee.
Article in Archives of orthopaedic and trauma surgery, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 7 citations in OpenAlex.
- A study on the association between tibial plateau fractures and intra-articular soft-tissue injuries under valgus injury mechanisms.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2026Article
- Preoperative Patellofemoral Malalignment Worsened the Outcome of Patients after Total Knee Arthroplasty.The journal of knee surgery · 2025Observational
- [Posterolateral instability of the knee joint].Orthopadie (Heidelberg, Germany) · 2024Article
- Pre-Planning the Surgical Target for Optimal Implant Positioning in Robotic-Assisted Total Knee Arthroplasty.Bioengineering (Basel, Switzerland) · 2023Article
- Arthroscopic anatomy of the posterolateral corner of the knee: anatomic relations and arthroscopic approaches.Archives of orthopaedic and trauma surgery · 2022Article
- Severity of valgus knee osteoarthritis has no effect on clinical outcomes after total knee arthroplasty.Archives of orthopaedic and trauma surgery · 2021Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeValgus deformity presents a particular challenge in total knee arthroplasty. This condition regularly leads to contractures of the lateral capsular ligament complex and to overstretching of the medial ligamentous complex. Reconstruction of the knee joint kinematics and anatomy often requires lateral release. However, data on how such release weakens the stability of the knee are missing in the literature. This study investigated the effects of sequential lateral release on the collateral stability of the ligament complex of the knee in vitro.
methodsTen knee prostheses were implanted in 10 healthy cadaveric knee joints using a navigation device. Soft tissue lateral release consisted of five release steps, and stiffness and stability were determined at 0, 30, 60 and 90° flexion after each step.
resultsSoft tissue lateral release increasingly weakened the ligament complex of the lateral compartment. Because of the large muscular parts, the release of the iliotibial band and the M. popliteus had little effect on the stability of the lateral and medial compartment, but release of the lateral ligament significantly decreased the stability in the lateral compartment over the entire range of motion. Stability in the medial compartment was hardly affected. Conversely, further release of the posterolateral capsule and the posterior cruciate ligament led to the loss of stability in the lateral compartment only in deep flexion, whereas stability decreased significantly in the medial compartment.
conclusionOur study shows for the first time the association between sequential lateral release and stability of the ligamentous complex of the knee. To maintain the stability, knee surgeons should avoid releasing the entire lateral collateral ligament, which would significantly decrease stability in the lateral compartment.
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