Lab 24 Assessments Flashcards
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 costal cartilages and xiphoid process to the pubic bones.
Rectus Abdominis
The ______ forms the third layer (deepest layer) of the abdominal wall muscles.
Transverse Abdominis
The action of the external oblique muscle is to _____.
- Tense the abdominal wall
- Compress the abdominal contents
- Aid in trunk rotation
The action of the rectus abdominis is to _______.
- Flex the vertebral column
2. Compress the abdominal contents
The iliocostalis, longissimus, and spinalis muscles together form the _______ group.
Erector Spinae
The ______ has the origin on the iliac crest and the insertion on rib 12 and L1-L4 vertebrae.
Quadratus Lumborum
The origin of the _______ is on the iliac crest and inguinal ligament.
Internal Oblique
The insertion of the ______ is on the xiphoid process and costal cartilages.
Rectus Abdominis
Name 4 muscles that compress the abdominal contents.
- Transversus Abdominis
- External Oblique
- Rectus Abdominis
- Internal Oblique
The actions of the ______ group of vertebral column muscles are similar to the erector spinae group and the quadratus lumborum.
Semispinalis
Name the 3 muscles included in the semispinalis group.
- Semispinalis Capitis
- Semispinalis Cervicis
- Semispinalis Thoracis
The levator ani and coccygeus together form the ______ diaphragm.
Pelvic
The posterior portion of the perineum is called the ______ triangle.
Anal
The ______ ensheaths the root of the penis.
Bulbospongiosus
