The general salary range can be from $35, 000 to $100,000 annually, depending on certif â¦ ication, etc. The hours involved per week can also vary from a normal 40 hours to 60 plus hours weekly, which will also impact how much per hour they make.
The most common causes of neck cramps or spasms are torticollis, sprain or strain, and muscle spasm.Other possible causes, such as gastroesophageal reflux disease (gerd), are more rare.he most common causes of neck cramps or spasms are torticollis, sprain or strain, and muscle spasm.
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.