![Biomechanical comparison of transdiscal fixation and posterior fixation with and without transforaminal lumbar interbody fusion in the treatment of L5–S1 lumbosacral joint - Hakan Özalp, Mustafa Özkaya, Onur Yaman, Teyfik Demir, 2018 Biomechanical comparison of transdiscal fixation and posterior fixation with and without transforaminal lumbar interbody fusion in the treatment of L5–S1 lumbosacral joint - Hakan Özalp, Mustafa Özkaya, Onur Yaman, Teyfik Demir, 2018](https://journals.sagepub.com/cms/10.1177/0954411918760959/asset/images/large/10.1177_0954411918760959-fig1.jpeg)
Biomechanical comparison of transdiscal fixation and posterior fixation with and without transforaminal lumbar interbody fusion in the treatment of L5–S1 lumbosacral joint - Hakan Özalp, Mustafa Özkaya, Onur Yaman, Teyfik Demir, 2018
![The result of S1 double screw fixation in patients not suited for L4 and/or L5 pedicle screw insertion | SpringerLink The result of S1 double screw fixation in patients not suited for L4 and/or L5 pedicle screw insertion | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00701-013-1954-z/MediaObjects/701_2013_1954_Fig1_HTML.gif)
The result of S1 double screw fixation in patients not suited for L4 and/or L5 pedicle screw insertion | SpringerLink
![Cureus | Thoracolumbar Cortical Screw Placement with Interbody Fusion: Technique and Considerations | Article Cureus | Thoracolumbar Cortical Screw Placement with Interbody Fusion: Technique and Considerations | Article](https://assets.cureus.com/uploads/figure/file/15720/b437bbb04b1411e7a7f3192027680eaf-Figure-1.jpg)
Cureus | Thoracolumbar Cortical Screw Placement with Interbody Fusion: Technique and Considerations | Article
![Reinforcement of lumbosacral instrumentation using S1–pedicle screws combined with S2–alar screws | SpringerLink Reinforcement of lumbosacral instrumentation using S1–pedicle screws combined with S2–alar screws | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00064-012-0160-0/MediaObjects/64_2012_160_Fig4_HTML.gif)
Reinforcement of lumbosacral instrumentation using S1–pedicle screws combined with S2–alar screws | SpringerLink
![Cureus | Modified Polyaxial S1 Screw Placement in Patients with Difficult Sacral Anatomy - Technical Report | Article Cureus | Modified Polyaxial S1 Screw Placement in Patients with Difficult Sacral Anatomy - Technical Report | Article](https://assets.cureus.com/uploads/figure/file/563/article_river_1432241202-1626fig1.png)
Cureus | Modified Polyaxial S1 Screw Placement in Patients with Difficult Sacral Anatomy - Technical Report | Article
![Triangular Osteosynthesis Using an S1 Pedicle Screw and S2 Alar Iliac Screw for a Unilateral Vertically Displaced Sacral Fracture - ScienceDirect Triangular Osteosynthesis Using an S1 Pedicle Screw and S2 Alar Iliac Screw for a Unilateral Vertically Displaced Sacral Fracture - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1878875020314297-gr3.jpg)
Triangular Osteosynthesis Using an S1 Pedicle Screw and S2 Alar Iliac Screw for a Unilateral Vertically Displaced Sacral Fracture - ScienceDirect
![Accuracy of Free-Hand Pedicle Screws in the Thoracic and Lumbar Spine: Analysis of 6816 Consecutive Screws | Semantic Scholar Accuracy of Free-Hand Pedicle Screws in the Thoracic and Lumbar Spine: Analysis of 6816 Consecutive Screws | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7ddc4a15a50e7203a1b1cd59f8d01f12136a313e/4-Figure3-1.png)
Accuracy of Free-Hand Pedicle Screws in the Thoracic and Lumbar Spine: Analysis of 6816 Consecutive Screws | Semantic Scholar
![A, B) Sub-S1 alar screw. Alar screws were added to enhance fixation of... | Download Scientific Diagram A, B) Sub-S1 alar screw. Alar screws were added to enhance fixation of... | Download Scientific Diagram](https://www.researchgate.net/publication/276231789/figure/fig3/AS:643930316103680@1530536359191/A-B-Sub-S1-alar-screw-Alar-screws-were-added-to-enhance-fixation-of-sacrum-for.png)
A, B) Sub-S1 alar screw. Alar screws were added to enhance fixation of... | Download Scientific Diagram
![To avoid complications leading to failure of S1 pedicle screws, multiple solutions for load-sharing have been used, including bilateral iliac screw fixation and interbody fusion. Interbody graft placement increases compression stiffness and To avoid complications leading to failure of S1 pedicle screws, multiple solutions for load-sharing have been used, including bilateral iliac screw fixation and interbody fusion. Interbody graft placement increases compression stiffness and](https://bizimages.withfloats.com/actual/5f74241d58b260000140f9eb.jpg)
To avoid complications leading to failure of S1 pedicle screws, multiple solutions for load-sharing have been used, including bilateral iliac screw fixation and interbody fusion. Interbody graft placement increases compression stiffness and
![Free-hand placement of iliac screws for spinopelvic fixation based on anatomical landmarks: technical note | International Journal of Spine Surgery Free-hand placement of iliac screws for spinopelvic fixation based on anatomical landmarks: technical note | International Journal of Spine Surgery](https://www.ijssurgery.com/content/ijss/8/3/F1.large.jpg)
Free-hand placement of iliac screws for spinopelvic fixation based on anatomical landmarks: technical note | International Journal of Spine Surgery
![PDF] Biomechanical Comparison of Same Size Transfacet Screws Versus Pedicle Screws Across the L5-S1 Native Disc | Semantic Scholar PDF] Biomechanical Comparison of Same Size Transfacet Screws Versus Pedicle Screws Across the L5-S1 Native Disc | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/44e5b2f0632700c64e30dc4ec3ef80fd98327262/3-Figure2-1.png)