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».
What is Back Strain. A muscle strain (or pulled muscle) is an overstretched or torn muscle. Back strain is the most common cause of back pain, especially lower back pain. Muscle strain is often caused by overuse of a muscle or overloading a muscle. When a muscle is stressed beyond its limits, injury occurs. With injury comes inflammation, which is part of the healing process.