Definition of rectus abdominis

The rectus abdominis spans the front of the abdomen and is the most prominent of the abdominal muscles. It flexes the vertebral column particularly the lumbar portion.

Medical Definition of rectus.

Definition of rectus abdominis. Medical Definition of rectus abdominis. A long flat muscle on either side of the linea alba extending along the whole length of the front of the abdomen arising from the pubic crest and symphysis inserted into the cartilages of the fifth sixth and seventh ribs and acting to flex the spinal column tense the anterior wall of the abdomen and. Any of several straight muscles such as the central vertical muscle on either side of the midline of the abdomen the rectus abdominis the rectus femoris on the front of the thigh or the four rectus muscles that move the eyeball.

From the Latin rectus straight. The rectus abdominis is made up of a pair of parallel muscles that extend up the entire length of the stomach. Rectus abdominis is actually a Latin phrase that simply means straight abdominal.

A large muscle in the front of the abdomen that assists in regular breathing movements supports the muscles of the spine while a person lifts something and keeps the intestines and other abdominal organs in place. Rectus abdominis informally known as the abs muscle is a long muscle of the anterior abdominal wall. In those with low body fat it is clearly visible beneath the skin forming the six pack.

Rectus abdominis synonyms rectus abdominis pronunciation rectus abdominis translation English dictionary definition of rectus abdominis. Recti Any of various straight muscles as of the abdomen eye neck and thigh. A muscle with origin from the pubis with insertion into the xiphoid process and the fifth to seventh costal cartilages and whose action flexes the vertebral column and draws the chest downward.

Musculus rectus abdominis TA rectus muscle of abdomen. Medical Dictionary for the Health Professions and Nursing Farlex 2012 rectus abdominis muscle. A long flat muscle that extends along the whole length of both sides of the abdomen.

Meaning pronunciation translations and examples. The rectus abdominis muscle is the muscle that is located at the front of the abdomen. It is most often referred to as the abs The action of this muscle pulls the rib cage and the pelvic bone.

National Library of Medicine 000 0 votes Rate this definition. A long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column particularly the lumbar portion.

It also tenses the anterior abdominal wall and assists in compressing the abdominal contents. Any of various straight muscles as of the abdomen eye neck and thigh. New Latin mūsculus rēctus from Latin straight muscle.

See rectum American Heritage Dictionary of the English Language Fifth Edition. Copyright 2016 by Houghton Mifflin Harcourt Publishing Company. Rectus Abdominis A long flat muscle that extends along the whole length of both sides of the abdomen.

It flexes the vertebral column particularly the lumbar portion. It also tenses the anterior abdominal wall and assists in compressing the abdominal contents. Medical Definition of rectus.

Any of several straight muscles as the rectus abdominis or the rectus femoris 2. Any of four extraocular muscles of the eyeball that arise from the border of the. Rectus abdominis is the muscle that runs vertically adjacent to the umbilicus along the whole abdomen from the sternum up to the pubic bone.

They are commonly known as abdominals or abs muscles and are present in the pair at the front wall of the abdomen. A Latin word meaning of the abdomen used in the names of abdominal muscles for example the. The rectus abdominis spans the front of the abdomen and is the most prominent of the abdominal muscles.

Rectus definition any of several straight muscles as of the abdomen thigh eye etc. The rectus sheath is the durable resilient fibrous compartment that contains both the rectus abdominis muscle and the pyramidalis muscle. The fascial coverings of the external oblique internal oblique and transversus abdominis muscles comprise the rectus sheath.

The layers of decussating and interweaving fascial aponeuroses vary according to their position within the superior. The rectus sheath is a multilayered aponeurosis a fibrous sheath of dense regular connective tissue. However the rectus sheath doesnt completely enclose its contents.

It covers the anterior and posterior surfaces of the upper three-quarters of the rectus abdominis muscle and the lower quarter of its anterior surface.