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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Please help label the following
Transcribed Image Text:**Diagram of Abdominal Muscles**
This diagram illustrates the structure and arrangement of various abdominal muscles. Each numbered label corresponds to a specific muscle or related structure:
1. **Aponeurosis of External Oblique**: A wide, flat sheet of tendon that covers and provides support to the external oblique muscle.
2. **Linea Alba**: A fibrous structure running down the midline of the abdomen, serving as an attachment point for abdominal muscles.
3. **Linea Semilunaris**: A curved line marking the lateral border of the rectus abdominis muscle.
4. **Obliquus Externus (External Oblique)**: The outermost muscle layer on the sides of the abdomen, responsible for trunk rotation and lateral flexion.
5. **Obliquus Internus (Internal Oblique)**: Located just beneath the external oblique, aiding in respiration and trunk rotation.
6. **Rectus Abdominis**: Often referred to as the "six-pack," this muscle helps flex the lumbar spine and stabilizes the pelvis.
7. **Transversus Abdominis**: The deepest layer of abdominal muscles, providing stability to the lower back and core.
The diagram provides a clear and detailed view of the layout and interconnections between these critical muscle groups, essential for movement and support functions in the human body.
Expert Solution
Step 1
Muscles are important structures, it helps in various movements and provides structure to the body, also forming some internal structures. There are different types of muscles.
The muscles that are in close association with the skeleton system are known as skeletal muscles. The skeletal muscles are connected to the bones through tendons.
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