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Bone Markings01:26

Bone Markings

Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into articulating projections, processes for attachment, depressions, and openings.
Articulating Projections
Articulating projections are found where two bones meet to form a joint. These structures are usually found at the ends of bones. The largest articulation is a rounded projection called the head, supported by a narrow neck at the ends of...
Fascicle Arrangement in Skeletal Muscles01:25

Fascicle Arrangement in Skeletal Muscles

Fascicles are bundles of muscle fibers in a skeletal muscle. Muscle fascicle arrangement is directly associated with the power and range of motion of various muscles. The configuration of these fascicles can vary, leading to different functional outcomes.
The four primary types of muscle based on fascicle arrangement are:

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Updated: Jul 3, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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优化中枢关节螺丝的入口点

Kevin Huang1, Zachary A Rockov, Lukas O Foster

  • 1From the Cedars-Sinai Medical Center, Department of Orthopaedic Surgery, Los Angeles, CA.

The Journal of the American Academy of Orthopaedic Surgeons
|January 5, 2024
PubMed
概括

确定关节骨髓螺丝 (MHS) 的理想入口点对于治疗骨折至关重要. 这项研究在各种MHS系统中发现了一个一致的入口点,大约是6.4毫米中间到大三叉体尖端.

科学领域:

  • 整形外科手术 整形外科手术
  • 生物医学工程 生物医学工程
  • 放射学 放射学是一门学科.

背景情况:

  • 脊髓部螺丝 (MHSs) 是由于多功能性和抗缩短性而成为关节骨折的标准.
  • 准确的MHS入口点识别带来了外科手术的挑战.
  • 量化理想入口点 (IEP) 的变异性对于手术规划至关重要.

研究的目的:

  • 为了确定髓关节螺丝 (MHSs) 的理想入口点 (IEP) 的可变性.
  • 为了确定MHS插入的精确解剖学地标.
  • 为了改善关节间关节骨折治疗的外科治疗结果.

主要方法:

  • 使用TraumaCad软件对50名患者的站立对齐放射图进行分析.
  • 测量大腿部轴角和大三叉骨偏移.
  • 叠加五个MHS系统模板来确定IEP相对于大三叉体尖端.
  • 通过使用类内系数来评估评级者之间的和评级者内部的可靠性.

主要成果:

  • 平均大三叉骨偏移为13.5±5.6毫米;平均部轴角为129.5±4.0度.
  • 在MHS系统中,IEP的平均值在5.7至7.1毫米介面到大三叉体尖端之间.

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  • 在测量中,获得了优异的内和间可靠性.

    • 结论:

    • 一致的,大约1.5毫米宽的间隔,6.4毫米中间到大三叉体尖端,作为常见MHS系统的IEP.
    • 在评估的MHS系统中,没有观察到IEP的显著差异.
    • 这一发现为MHS插入提供了可靠的解剖学指南,无论腿部解剖学变异如何.