Lab 24 Pre-Lab
T/F: the iliocostalis represents the lateral muscle group of the erector spinae
true
which of the following muscles would be most important in relation to a vaginal delivery? -bulbospongiosus, spinalis, quadratus lumborum, erector spinae
bulbospongiosus
the four muscles of the abdominal wall
contain muscle fibers in four different directions
The abdominal wall muscles posses the following functions excepts -extend the spine, compress the abdominal visceral organs, assist in forceful exhalation, help maintain posture
extend the spine
T/F: the pelvic floor muscles are all arranged in a single superficial layer
false
anterior urogenital triangle and posterior anal triangle make up the
perineum
which of the following muscles is not part of the erector spinae group? -iliocostalis, spinalis, longissimus, & quadratus lumborum
quadratus lumborum
the abdominal muscle nearest the midline is the
rectus abdominis