By Susan Chow, PhD, ELS. The pancreas is an organ that sits in the abdominal cavity behind the stomach and plays a role in both the digestive and endocrine system. In the endocrine system, it is responsible for producing several hormones, such as insulin, glucagon, somatostatin and pancreatic polypeptide. Additionally, its exocrine function involves the secretion of digestive enzymes that aid the digestion and absorption of nutrients in the small intestine. Head of pancreas.
The list of signs and symptoms mentioned in various sources for Upper back muscle strain includes the 8 symptoms listed below: 1  Muscle pain. 2  Muscle tenderness. 3  Muscle swelling.  Muscle 1  stiffness. Muscle inflammation. 2  Bruising. Redness.  Reduce ability to move the affected 1  body part. more information...Â».
Lower back pain symptoms. Although the pain may be concentrated on the lower back area, it may also affect the front, side, or back of the leg or legs. The pain may develop over many years, from causes such as poor posture. The symptoms can also appear suddenly, perhaps after some heavy lifting or twisting the back awkwardly. Sometimes the cause of the pain will remain unknown. Symptoms may be worse at night, while sitting or during some body movements.