The transverse abdominis is among the most powerful muscles in your deep core. This hidden abdominal muscle is essential for maintaining posture and reducing injury risk, but it may not be engaged ...

The multifidus is divided into the cervical multifidus, thoracic multifidus ... Transverse abdominis. The transverse abdominis is a sheet-like muscle that covers the front of the body.

you can learn to engage the muscle correctly,” she says. You can also try bracing to get it working. “You know you are engaging your core and contracting your transverse abdominis correctly ...