Muscles of Abdominal Wall Flashcards
1
Q
Rectus Abdominis
A
O: pubis
I: lower ribs & xiphoid process
A: flex trunk & compress abdomen
2
Q
External Oblique
A
O: ribs
I: iliac crest & linea alba
A: flex trunk; compress abdomen; bend trunk to same side; rotate trunk to opposite side
3
Q
Internal Oblique
A
O: iliac crest
I: ribs
A: flex trunk; compress abdomen; bend trunk to same side; rotate trunk to opposite side
4
Q
Transversus Abdominis
A
compress abdomen & rotate trunk to same side
5
Q
Quadratus Lumborum (QL)
A
O: iliac crest
I: transverse process L1-L4 & 12th rib
A: extend trunk & bend trunk to same side
6
Q
Diaphragm
A
O: ribs 7-12; xiphoid process; body of vertebrae L1-L3
I: central tendon of diaphragm
A: principle muscle of respiration
