He continued to explore Central America, hoping to find a strait from the Atlantic to the Pacific. He failed, instead discovering, and naming, California. In 1541, Cortes cortÃ©s returned To spain an embittered man and retired to an estate Near seville where he died on 2 december. 1547
Causes. The cause of the muscle spasm lies in the fact that the bulging disc is pressing against the ligament that holds it in place. Since this ligament contains nerves, the result is pain. Because of the initial pain, the back muscles go into spasm as part of the body's effort to immobilize the painful area.he cause of the muscle spasm lies in the fact that the bulging disc is pressing against the ligament that holds it in place. Since this ligament contains nerves, the result is pain.
A herniated disc may be the result of a lifting injury, or repetitive use of the low back in such a way that the discs become weakened. The symptoms of a disc herniation depend on which part of the disc ruptures, and whether or not the nerves in the spine are affected. It may cause burning pain, numbness or electric shock-like pain into the legs. This may be worse with coughing, sneezing or with straining during bowel movements.