Answer:
The four muscles are , transversus abdominis , rectus abdominis , external oblique muscles , internal oblique muscles
Explanation:
The abdominal muscle is present in between the pelvis and the rib of the body. These muscles supports the body's trunk, allows the movement and holds the organs in place by regulating internal abdominal pressure.
The four main abdominal muscles are as follows-
transversus abdominis
rectus abdominis
external oblique muscles
internal oblique muscles
