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.
Sections. A herniated disc can cause muscle spasms and pain in the neck or back, as well as radiating pain, numbness, tingling and muscle weakness in the upper or lower extremities. herniated disc can cause muscle spasms for two reasons: 1  Inflammation â The nucleus pulposus contains enzymes that cause inflammation and, in turn, pain. 2  Micromotion instability â A weakened annulus fibrosus is less able to absorb impact and control motion within the spine, which is referred to as micromotion instability.