Abdominals Flashcards
Rectus abdominis
O: pubic crest, pubic symphysis
I: cartilage of costea 5-6-7 and xiphoid process
F: flex the vertebral column
tilt pelvis posterior
external oblique
O: external surfaces of costea 5-12
I: anterior part of the iliac crest, rectus sheath to linea alba
F: unilaterally
laterally flex vertebral column to the same side
rotate vertebral column to the opposite side
bilaterally
flex the vertebral column
compress abdominal contents
internal oblique
O: lateral inguinal ligament, iliac crest and thoracolumbar fascia
I: internal surface of lower 3 ribs, rectus heath to linea alba
F: Unilaterally
laterally flex vertebral column to the same side
Rotate vertebral column to the same side
Bilaterally:
Flex the vertebral column
Compress abdominal contents
transverse abdominis
O: lateral inguinal ligament, iliac crest, thoracolumbar fascia, and internal surface of lower 6 ribs
I: rectus sheath to linea alba
F: compress abdominal contents