Identify the action of the muscle at A flex the spine compre

Identify the action of the muscle at A. flex the spine compress the abdomen extend the spine twist the trunk

Solution

This is the muscle of Internal Oblique.

It functions to Compress the abdomen.

It helps in supporting the abdominal wall, and assist in forced respiration,raises pressure in the area of abdomen and also rotates and twists trunk with the help of other muscles. These muscles are also called same side rotators.