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.
1 It is important to determine the root of these symptoms as they may also warn of heart, lung or gastrointestinal failure.  Muscle spasms and lower back pain may be evidence of a bulging disc in the lumbar (lower back) region. Because this area holds so much of the upper bodyâs weight, approximately 90% of all bulging discs occur in the lumbar spine. Sometimes this discomfort spreads to the buttocks, thighs and feet.