👉 Rigidulous is a term used in the context of anatomy and physiology to describe the condition where a muscle group has a tight, elastic-like structure that can be easily compressed or stretched. This type of muscle is often associated with the abdominal muscles, particularly those in the mesenteric (or upper) vagus nerve complex. The term "rigidulous" refers to its ability to resist compression and stretch. In terms of physical therapy, rigidulous muscles are often used in exercises designed to help