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 Muscle or ligament strain. 2  Repeated heavy lifting or a sudden awkward movement may strain back muscles and spinal ligaments. 3  If you're in poor physical condition, constant strain on your back may cause painful muscle spasms. 4  Bulging or ruptured disks. 5  Disks act as cushions between the bones (vertebrae) in your spine.