Longissimus
Longissimus
Longissimus (pronunciation: lon-jis-i-muhs) is a muscle within the human body that is part of the Erector Spinae group. It is the longest and largest of the three muscles in this group, which also includes the Iliocostalis and Spinalis muscles.
Etymology
The term 'Longissimus' is derived from the Latin word 'longus', which means 'long'. This is a fitting name for the muscle, as it is the longest muscle in the Erector Spinae group.
Function
The Longissimus muscle plays a crucial role in various movements and postures. It helps in the extension and lateral flexion of the vertebral column and also aids in the rotation of the head.
Related Terms
- Erector Spinae: A group of muscles and tendons running along the side of the spine.
- Iliocostalis: One of the three muscles in the Erector Spinae group.
- Spinalis: The most medial of the muscles in the Erector Spinae group.
See Also
External links
- Medical encyclopedia article on Longissimus
- Wikipedia's article - Longissimus
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