A & P Exercise 24

The pelvic floor muscles are all arranged in a single superficial layer

False 6+

Which of the following muscle is not part of the erector spinae group?

Quadratus lumborum

The iliocostalis represent s 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

The four muscles of the abdominal wall

contain muscle fibers in four different directions

The abdominal wall muscles possess the following functions excepts

extend the spine

The anterior urogenital triangle and posterior anal triangle make up the

perineum

The abdominal muscle nearest the midline is the

rectus abdominus