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Muscles of the Abdominal Wall Origin Insertion Action External Oblique Internal Oblique Rectus Abdominis Transversus Abdominis Pectorats mr Se terer erton Thanave abdomine Rectus mini emal e Eternalb Aponeuro theeenal nguna gamen

Muscles of the Abdominal Wall Origin Insertion Action External Oblique Internal Oblique Rectus Abdominis Transversus Abdominis Pectorats mr Se terer erton Thanave abdomine Rectus mini emal e Eternalb Aponeuro theeenal nguna gamen

Human Anatomy & Physiology (11th Edition)
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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# Muscles of the Abdominal Wall | Muscle | Origin | Insertion | Action | |--------------------------|--------|-----------|--------| | External Oblique | | | | | Internal Oblique | | | | | Rectus Abdominis | | | | | Transversus Abdominis | | | | ## Diagram Explanation The diagram illustrates the anatomy of the abdominal wall muscles. Key components are labeled, highlighting the structure and placement of each muscle. - **Serratus Anterior**: Shown at the upper side of the ribcage. - **Rectus Abdominis**: The central muscle, commonly known as the "abs." - **Linea Alba**: A fibrous structure running down the midline of the abdomen. - **Tendinous Intersection**: Bands found horizontally across the rectus abdominis. - **Transversus Abdominis**: Located beneath the obliques. - **Internal Oblique**: Labeled between the external oblique and transversus abdominis. - **External Oblique**: The outermost layer of muscles. - **Aponeurosis of External Oblique**: Tendinous sheet connecting muscles. - **Inguinal Ligament**: Described as forming the lower border of the external oblique aponeurosis. ### Diagram (b) This part provides a cross-section view: - **Transversus Abdominis**: Depicted at the deepest layer. - **Internal and External Oblique**: Shown spatially relative to each other and the external anatomy. - **Rectus Abdominis**: Highlighted in relation to its positioning with other muscles and the linea alba. These components collectively illustrate the interconnected anatomy of the abdominal wall muscles.
Transcribed Image Text:# Muscles of the Abdominal Wall | Muscle | Origin | Insertion | Action | |--------------------------|--------|-----------|--------| | External Oblique | | | | | Internal Oblique | | | | | Rectus Abdominis | | | | | Transversus Abdominis | | | | ## Diagram Explanation The diagram illustrates the anatomy of the abdominal wall muscles. Key components are labeled, highlighting the structure and placement of each muscle. - **Serratus Anterior**: Shown at the upper side of the ribcage. - **Rectus Abdominis**: The central muscle, commonly known as the "abs." - **Linea Alba**: A fibrous structure running down the midline of the abdomen. - **Tendinous Intersection**: Bands found horizontally across the rectus abdominis. - **Transversus Abdominis**: Located beneath the obliques. - **Internal Oblique**: Labeled between the external oblique and transversus abdominis. - **External Oblique**: The outermost layer of muscles. - **Aponeurosis of External Oblique**: Tendinous sheet connecting muscles. - **Inguinal Ligament**: Described as forming the lower border of the external oblique aponeurosis. ### Diagram (b) This part provides a cross-section view: - **Transversus Abdominis**: Depicted at the deepest layer. - **Internal and External Oblique**: Shown spatially relative to each other and the external anatomy. - **Rectus Abdominis**: Highlighted in relation to its positioning with other muscles and the linea alba. These components collectively illustrate the interconnected anatomy of the abdominal wall muscles.
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