Anatomy: Abdominal Muscles Flashcards
1
Q
External Oblique Origin
A
External Surface of Lower 8 Ribs
2
Q
External Oblique Insertion
A
Anterior Iliac Crest and Abdominal Aponeurosis
3
Q
External Oblique Action
A
- Flex Trunk
- Contralateral Rotation
4
Q
External Oblique Characteristics
A
- Non Ropy
- Superficial
5
Q
Internal Oblique Origin
A
- Lateral Inguinal Ligament
- Iliac Crest
- Thoracolumbar Aponeurosis
6
Q
Internal Oblique Insertion
A
- Cartilage of Lower 3 Ribs
- Abdominal Aponeurosis to Linea Alba
7
Q
Internal Oblique Action
A
- Flex Trunk
- Compress Abdominal Contents
- Ipsilateral Lateral Flexion and Rotation of the Trunk
8
Q
Internal Oblique Characteristics
A
- Non Ropy
- Deep
9
Q
Transverse Abdominis Origin
A
- Lateral Inguinal Ligament
- Iliac Crest
- Thoracolumbar Aponeurosis
- Cartilage of Lower 6 Ribs
10
Q
Transverse Abdominis Insertion
A
- Abdominal Aponeurosis to Linea Alba
11
Q
Transverse Abdominis Action
A
- Compress Abdominal Contents
12
Q
Transverse Abdominis Characteristics
A
- Non Ropy
- Deep
13
Q
Diaphragm Origin
A
- Inner Surface of Lower 6 Ribs
- Upper 2 to 3 Lumber Vertebrae
- Inner Part of Xiphoid Process
14
Q
Diaphragm Insertion
A
- Central Tendon
15
Q
Diaphragm Action
A
- Draws down the central tendon during inspiration and increases the volume of the thoracic cage
