A group of bilaterally arranged muscles with many attachment sites spanning skull to the sacrum. Specifically, attachments are located on a posterior vertebra (spinous processes and transverse processes). ribs, posterior vertebral bodies, temporal bone, and sacrum:
a. Middle Scalene
b. Anterior scalene
c. Errector Spinae Group
The vertebral column, commonly called the spine, is a series of thirty-three vertebrae that provide the structure and stability for keeping the body upright. These vertebrae also protect the spinal cord which is the nerve center providing communication between the brain and the rest of the body. The vertebral column is assisted by three layers of intrinsic muscles that work together to stabilize the spine and allow for movement of the trunk.
Answer and Explanation: 1
A group of bilaterally arranged muscles with many attachment sites spanning skull to sacrum is c) erector spinae group.
The erector spinae group are...
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fromChapter 13 / Lesson 1
Learn about erector spinae action. Read about its muscles: iliocostalis, spinalis, and longissimus. Understand erector spinae muscle pain, origins, and insertions.