Muscles of Anterolateral Abdominal Wall Flashcards
1
Q
External Oblique Origin
A
External surfaces of 5th-12th ribs
2
Q
External Oblique Insertion-3
A
- Linea alba
- Pubic tubercle
- anterior 1/2 of iliac crest
3
Q
External Oblique Innervation-2
A
- Thoraco-abdominal nerves (Anterior rami of T7-T11)
- Subcostal nerve
4
Q
External Oblique Action-2
A
- Compress and support abdominal viscera
- Flex & rotate trunk
5
Q
Internal Oblique Origin-3
A
- Thoracolumbar fascia
- Anterior iliac crest
- Connective tissue deep to inguinal ligament
6
Q
Internal Oblique Insertion-3
A
- Inferior borders of 10th-12th ribs
- Linea alba
- Pubis via conjoint tendon
7
Q
Internal Oblique Innervation-2
A
- Thoraco-abdominal nerves (Anterior rami of T7-T11)
- 1st lumbar nerve (L1)
8
Q
Internal oblique Action-2
A
- Compress and support abdominal viscera
- Flex & rotate trunk
9
Q
Transversus Abdominis Origin-4
A
- Internal surfaces of 7th-12th costal cartilages
- Thoracolumbar fascia
- Iliac crest
- Connective tissue deep to inguinal ligament
10
Q
Transversus Abdominis Insertion-3
A
- Linea alba w/ aponeurosis of internal oblique
- Pubic crest
- Pectin pubis via conjoint tendon
11
Q
Transversus Abdominis Innervation-2
A
- Thoraco-abdominal nerves (Anterior rami of T7-T11)
- 1st lumbar nerve (L1)
12
Q
Transversus Abdominis Action
A
Compresses and supports abdominal viscera
13
Q
Rectus abdominis Origin-2
A
- Pubic symphysis
- Pubic crest
14
Q
Rectus abdominis Insertion-2
A
- Xiphoid process
- 5th-7th costal cartilages
15
Q
Rectus abdominis Innervation
A
-Thoraco-abdominal nerves (Anterior rami of T7-T11)
