What is the transversus abdominus muscle is innervated by the __________.?

The transversus abdominis muscle is innervated by the lower intercostal nerves (T7-T11) and subcostal nerve (T12). This muscle is the deepest of the abdominal muscles and is responsible for providing stability to the core, assisting with forced expiration, and maintaining intra-abdominal pressure. Its primary function is to compress the abdominal contents and support the spine.