Elbow Instability: Anatomy, Biomechanics, Diagnostic Maneuvers, and Testing

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• 作者：Lauren E. Karbach ; MD^&lowast ; ; John Elfar ; MD^&lowast ; ; ^{openelfar@gmail.com}
• 关键词：Valgus instability ; posterolateral rotatory instability ; varus posteromedial rotatory instability ; elbow biomechanics
• 刊名：The Journal of Hand Surgery
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：42
• 期：2
• 页码：118-126
• 全文大小：1470 K
• 卷排序：42

文摘

The elbow comprises a complex of bony and ligamentous stabilizers that provide both primary and secondary constraints to elbow instability. Through trauma and overuse, classic instability patterns arise by loss of these important stabilizers. The diagnosis of elbow instability can made using specific examination maneuvers and testing to diagnose the clinical pattern. This article reviews the elbow’s unique anatomy and biomechanical characteristics and these are applied when reviewing the maneuvers and testing used to diagnose elbow instability.