lateral ulnar collateral ligament origin and insertion

These CT scans were converted into patient-specific 3-dimensional computer models. This study may serve as a pilot for larger scale studies.We believe this study represents the first to evaluate the supinator tubercle anatomy in relation to the supinator crest and radial head. These images were previously obtained for diagnostic workup of several pathologies, including valgus instability, olecranon stress fracture, and valgus extension overload. With the MCP in approximately 30° flexion, the proper collateral ligaments and dorsal capsule provide stability to radial and ulnar deviation of the thumb MCP joint; therefore, this is … The CT scan protocol included 0.5-mm axial cuts with inclusion of the distal humerus through the proximal radius and ulna in the Digital Imaging and Communications in Medicine (DICOM) format.

This is of importance during LUCL reconstructions. Manuscript content on this site is licensed under Creative Commons Licenses,Characterization of the Supinator Tubercle for Lateral Ulnar Collateral Ligament Reconstruction,http://www.creativecommons.org/licenses/by-nc-nd/3.0/,http://www.uk.sagepub.com/aboutus/openaccess.htm,posterolateral rotatory instability of the elbow,Posterolateral Rotatory Instability of the Elbow.Medial Epicondyle Morphology in Elite Overhead Athletes: A Closer Look Using 3-Dimensional Comp...Characterizing Bone Tunnel Placement in Medial Ulnar Collateral Ligament Reconstruction Using P...LUCL internal bracing restores posterolateral rotatory stability of th...Complex Case of Open Fracture-Dislocation of the Elbow.Effect of ulnar tunnel location on elbow stability in double-strand la...Byram, IR, Khanna, K, Gardner, TR, Ahmad, CS.Dunning, CE, Zarzour, ZD, Patterson, SD, Johnson, JA, King, GJ.Lin, KY, Shen, PH, Lee, CH, Pan, RY, Lin, LC, Shen, HC.Moritomo, H, Murase, T, Arimitsu, S, Oka, K, Yoshikawa, H, Sugamoto, K.Sanchez-Sotelo, J, Morrey, BF, O’Driscoll, SW.Shiba, R, Sorbie, C, Siu, DW, Bryant, JT, Cooke, TD, Wevers, HW.Takigawa, N, Ryu, J, Kish, VL, Kinoshita, M, Abe, M.

All rights reserved.https://doi.org/10.1016/j.jse.2018.09.019. The proximal border of the radial head, residing 15 mm proximal to the most predictable location of the supinator tubercle, is a useful landmark when drilling tunnels during LUCL reconstructions.Results of this study may aid proper anatomic LUCL reconstruction.Posterolateral rotatory instability (PLRI) of the elbow was first described by O’Driscoll et al.Anatomic reconstruction of the LUCL requires proper and predictable identification of the supinator tubercle.After institutional review board approval was obtained, elbow computed tomography (CT) scans of 17 adults were retrospectively reviewed for inclusion in our study. The origin of the ligament is round and located along the anteroinferior aspect of the medial epicondyle, distal to and lateral with respect to the adjacent common flexor tendon origin.

Lean Library can solve it.If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. The visually estimated footprint centers were generally within 1 mm of the geometric centroid. Finally, the distance from the supinator crest at the radial head junction to the posterior cortex in the sagittal plane was measured.The supinator tubercle was found to be prominent in 5 of 10 ulnar models. The purpose of this investigations was to determine the percentage of specimens in which this structure is present, and to describe its anatomy and function. However, the principle remains to achieve anatomic re-creation of the native ligament with the use of autograft or allograft. Ten patients with adequate CT scans met criteria for inclusion in this study. Although surgical reconstruction of the LUCL is often required, gaps in our understanding of the LUCL complex remain.

Following this, the crest was examined for a distinct raised bony tuberosity that would be consistent with the supinator tubercle.

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