What are two of the major lower torso trunk muscles?

Muscles of the abdominal wall Rectus abdominis. Rectus abdominis is a long, strap-like, paired muscle that passes vertically over the entire length of the abdomen. Pyramidalis. Pyramidalis is a small triangular muscle found in the lower abdomen. Abdominal oblique muscles. Transversus abdominis. Quadratus lumborum. Click to see full answer. People also ask, which of the following muscles is a muscle of the trunk?The muscles of the trunk include those that move the vertebral column, the muscles that form the thoracic and abdominal walls, and those that cover the pelvic outlet. The erector spinae group of muscles on each side of the vertebral column is a large muscle mass that extends from the sacrum to the skull.Subsequently, question is, what is your lower torso? The torso or trunk is an anatomical term for the central part or core of many animal bodies (including humans) from which extend the neck and limbs. The torso includes: the thoracic segment of the trunk, the abdominal segment of the trunk, and the perineum. In respect to this, what body parts are found in the trunk? The trunk includes the chest (in front), the back, the shoulders and the abdomen. The internal organs which we cannot see, are the heart, the lungs, the stomach, the liver with the gall-bladder, the pancreas, the spleen, the kidneys and the small and large intestines (bowels). The arms and legs are called the limbs.What muscles attach to the lower ribs? Following is a list of the muscles attaching to the twelfth ribs: External oblique. Internal oblique. Transversus abdominis. Diaphragm. Serratus posterior inferior. Latissimus Dorsi. Iliocostalis. Quadratus lumborum.