OINAs Abdomen Muscles Flashcards
1
Q
Rectus Abdominus
A
O: pubic crest, pubic symphysis
I: Xiphoid process, 5-7 costal cartilage
N: lower thoracic
A: flex ab, compress ab contents
2
Q
External Oblique
A
O: ribs 5-12
I: iliac crest, inguinal lig, rectus sheath
N: lower thoracic
A: compress ab, flex ab
3
Q
Internal Oblique
A
O: iliac crest, lumbar fascia, inguinal lig
I: rectus sheath, ribs 10-12
N: lower thoracic
A: compress ab, flex ab
4
Q
Transverse Abdominus
A
O: ribs 7-12, lumbar fascia, iliac crest, inguinal lig
I: rectus sheath, sup. xiphoid process, inf. pubic tubercle
N: lower thoracic
A: compress ab