Muscles- Deep Back, Abdominal Wall, Pelvic Outlet Flashcards
1
Q
External oblique
A
Origin- lower ribs
Insertion- iliac crest
Action- tenses ab wall, compresses contents
2
Q
Internal oblique
A
Origin- crest of ilium
Insertion- linea alba
Action- tenses ab wall, compresses contents
3
Q
Transversus abdominus
A
Origin- costal cartilages
Insertion- iliac crest
Action- tenses ab wall, compresses contents
4
Q
Rectus abdominus
A
Origin- crest of pubis
Insertion- xiphoid process
Action- tenses ab wall, compresses contents
5
Q
Levator ani
A
Origin- pubic bone
Insertion- coccyx
Action- provides sphincter like action
6
Q
Bulbospongiosus
A
Constricts vagina
7
Q
Ischiocavernosus
A
Erects penis, clitoris
8
Q
Sphincter urethrae
A
Opens/closes urethra
