The thoracic cavity is separated from the abdominal cavity by the diaphragm. This is a broad flat muscle. (muscular) diaphragmThe diaphragm is a muscle that separate the thoracic from the abdominal cavity. The pelvis is the lowest part of the abdominal cavity and it has no physical separation from it Diaphragm
the abdominal is your abs which is a muscle and your pelvis is a bone
The rectus abdominus muscle, which is the muscle that becomes a six-pack if you train it, is the muscle at the front of the abdominal wall and stretches across the specified region.
Sit-ups will work out your abdominal muscles.
A curl-up on a stable surface, rectus abdominis muscle activity was 21% of MVC and external oblique muscle activity was 5% of MVC.
Stomage
abdominal cavity
Aponeurosis
abdominal muscles
Abdominal muscle
your gluts, abs, and your intogalactibal muscle.
We need to stablize our lumbar area and abdominal exercises stimulate that. Research shows muscle contractions in this area increase intra-abdominal pressure via stimulate transversus abdominis muscle and thoracolumbar fascia reactions.