quadratus lumborum
The transversus abdominis.
Some floor exercises, if done correctly, do strengthen abdominal muscles. Crunches and situps do this. Some yoga or pilates positions accomplish this as well.
abdominal muscles
I'm no expert but one difference is your external abdominal muscles are voluntary and intestinal muscles are involuntary.
Tendons
ligamints
tendons
Tendons.
An abdominal wall is the layer of muscles which surrounds the abdominal cavity and contains the abdominal organs.
The causes of loose abdominal muscles include extreme weight loss and pregnancy.
Yes, you get abdominal muscles.
Attaches them together.