Lab Report 22: Muscles of the Deep back, abdominal wall, and pelvic floor

A band of tough connective tissue in the midline of the anterior abdominal wall called the __ serves as a muscle attachment

linea alba

The __ muscle spans from the ribs and the xiphoid process of the sternum to the pubic bone

rectus abdominis

The __ forms the third layer of the abdominal wall muscles

transverse abdominis

The action of the external oblique muscle is to compress the abdomen and __

compress abdominal cavity

The action of the rectus abdominis is to compress the abdomen and __

flex vertebral column

The iliocostalis, longissimus, and spinalis muscles together form the __

erector spinae

The levator ani and coccygeus together form the __

pelvic diagram

The action of the external anal spincter is to __

closes anal canal

The action of the coccgyeus is to __

support pelvic viscera and provide spinchterlike action in anal canal and vagina

The __ surrounds the base of the penis

bulbosponglosus

In females, the bulbospongiosus acts to constrict the __

vagina

The ischiocavernosus extends from the penis or clitoris of the pubic arch to the __

ischial tuberosity

In the female, the __ muscles are separated by the urethra, vagina, and rectum

levator ani

The action of the deep transversus perinei is to ___

support pelvic viscers

The coccygeus extends from the coccyx and sacrum to the ___

ischial spine

The __ assists in closing the urethra

sphincter urethr