What's the internal oblique muscle part of?

Abdominal wall. Internal and external oblique muscles are part of the abdominal wall, along with rectus abdominus.

Related Questions

I just started feeling an occasional slight sharp pain at my right front side nesr where the internal oblique muscle is. What could this be?

Abdominal Pain. Any abdominal pain in a gentleman of your age worth checking it with your doctor to rule out a bad cause of it. The abdomen has many structures and at times it is difficult to decide the cause of it without thorough assessment and investigations.