Abdominal internal oblique muscle

The internal oblique muscle (Latin for " internal oblique abdominal muscle " ) is one of the abdominal muscles. Its fibers are (back - outside in humans down outside, the animal ) to craniomedial directed by kaudolateral ( in humans up inside, the animal front - inside). You cross those of the musculus obliquus externus abdominis at an angle of 90 °. His broad fascia ( aponeurosis ), together with those of the musculus obliquus externus abdominis and the musculus transversus abdominis, the linea alba.

Function

The internal oblique muscle flexes the trunk, compresses the abdomen together and is involved in the expiration ( exhalation ).

• Skeletal muscle of the trunk