Tag: Angle of louis

The sternal angle, or Angle of Louis, is an important and easily palpable anatomical landmark located at the junction of the manubrium and body of the sternum. While often confused, this bony ridge corresponds to the intervertebral disc between the fourth and fifth thoracic vertebrae (T4/T5), definitively answering the question of whether the sternal angle is T2 or T4.

The Angle of Louis, or sternal angle, is a crucial anatomical landmark that aligns with the second rib and is used as the starting point for counting ribs. Accurately knowing how to locate the 5th intercostal space is essential for healthcare professionals and students performing heart and lung assessments and other critical medical procedures.

The Manubriosternal angle, an important anatomical feature, is typically palpable as a transverse ridge on the upper chest. So, what is another name for the Manubriosternal angle? It is widely known as the **Sternal angle** or **Angle of Louis**, names that are frequently used in both clinical and academic settings.

The human sternum is a vital piece of the thoracic cage, protecting numerous internal organs. This guide provides a comprehensive overview of the upper sternal angle, a prominent anatomical feature often used in clinical practice for orientation and assessment. Understanding what is the upper sternal angle is essential for a complete picture of your body's design.