Back: Topographic anatomy

by Craig Canby, PhD

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    Thank you for joining me on this lecture on the “Topographic Anatomy of the Back.” This slide lists the objectives that you should be able to answer at the conclusion of this lecture. First, list the regions of the back. List the skeletal and muscular elements that contribute to the surface relief of the back. Define the borders of the following triangles - triangle of auscultation, the superior lumbar triangle and inferior lumbar triangle. Describe the clinical relevance of the superior and inferior lumbar triangles. Describe the clinical relevance of the intercristal line. Describe the applied anatomy in performing a thoracentesis. Describe the applied anatomy in a retroperitoneal approach to the kidneys. And then lastly, list other abdominal organs that project onto the back. Then we’ll take a look at the summary and then identify and provide attribution to the images that are contained within this lecture. We will begin with a body map and the focus here would be on the image to our right. And so, we want to look at the relevant anatomy topographically in this particular view. So, let’s start with defining the regions of the back and we’ll take a quick look at the vertebral region, sacral region, deltoid region, scapular region, infrascapular region as well as the lumbar region. So, let’s begin here by focusing in on this middle portion of the back. This is going to be the vertebral area. This area right in through here that extends down into the intergluteal cleft represents the sacral region. Here, superior and lateral, we have the deltoid region as well as over here. Our scapular areas are defined within this territory as well as the territory to the right side of the body. The infrascapular region is defined by this area of [Inaudible 0:02:36] as...

    About the Lecture

    The lecture Back: Topographic anatomy by Craig Canby, PhD is from the course Abdominal Wall. It contains the following chapters:

    • Surface relief of the back
    • Triangles of the back
    • Lumbar puncture
    • Projections of viscera onto the back

    Included Quiz Questions

    1. Psoas major muscle
    2. 12th rib
    3. Quadratus lumborum muscle
    4. Internal abdominal oblique muscle
    1. LIV
    2. T12
    3. L2
    4. LV
    5. S1
    1. Rib 10
    2. Rib 4
    3. Rib 6
    4. Rib 8
    5. Rib 12
    1. Retroperitoneal surgical approach to the kidney
    2. Thoracentesis
    3. Lumbar puncture
    4. Lung auscultation
    5. Heart auscultation

    Author of lecture Back: Topographic anatomy

     Craig Canby, PhD

    Craig Canby, PhD

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