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Page Summary:
This page focuses on the description of various muscles in the human back, detailing their origins, insertions, and functions. It explains how these muscles contribute to movements such as lifting the head, straightening the back, and manipulating the scapula. The text serves as an anatomical guide for artists, using illustrative terms to describe the muscle grouping and actions.
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English Translation of this page:

19. Muscles that resemble milk (smooth muscles), originate from the upper tissues of the neck and end at the nape, assisting the twisted muscles in lifting the head.

20. Twisted muscles.

20(enclosed by formatting). Muscles that lift the scapula, originate from the 2nd, 3rd, and 4th upper tissues of the neck, and end at the higher angle of the scapula.

21. Long muscles of the back which start from the sacrum and lumbar tissues, run upwards over all the ribs, end exactly at the spinal column, aiding in raising the chest and straightening the back.

22. Large round muscles, originate from the lower angle of the scapula, and end under the head of the scapula, helping to press down the supposed lifted part.

23. Diamond-shaped muscles, which do not come into view.

24. The height of the iliac bone, under which is the fleshy part, assists in rising and lowering muscles.

25. Muscles lying over the visible part of the scapula and under the spine help direct the shoulder blade downwards.

26. The broadest muscle of the back, originates from the lumbar tissues, and ends under the head of the lifting part, linking in progress to the lower angle of the scapula, helping with the rounded muscle in pressing down the lifting part.