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. Cervical muscle spasms often occur in response to another condition, or as a result of pain, fatigue or overuse. Common causes of cervical muscle spasm include: 1  Muscle strain or fatigue. 2  Increased physical exertion. 3  Stress, and having tense muscles. 4  In response to certain medications.5  As the result of a fracture in the cervical spine.auses. Cervical muscle spasms often occur in response to another condition, or as a result of pain, fatigue or overuse. Common causes of cervical muscle spasm include: 1  Muscle strain or fatigue. 2  Increased physical exertion. 3  Stress, and having tense muscles. 4  In response to certain medications.