Muscle function: 1. contraction for locomotion and skeletal movement. 2. contraction for propulsion. 3. contraction for pressure regulation. Muscle classification: muscle tissue may be classified according to a morphological classification or a functional classification.ardiac muscle cells are not as long as skeletal muscles cells and often are branched cells. Cardiac muscle cells may be mononucleated or binucleated. In either case the nuclei are located centrally in the cell. Cardiac muscle is also striated.
1 A neurologist (if nerve problems are causing your pain) 2  A psychologist (if your pain is caused or worsened by stress or other psychological issues) 3  An orthopedic surgeon.  A rheumatologist (if your back pain is caused by arthritis or other joint problem)
An Orthopedic Doctor â An orthopedist deals primarily in bone and muscle disorders. Thus is the most frequently consulted type of doctor for neck and back pain. An orthopedist can help address ruptured discs, bulging discs, sciatica, degenerative disc disease, and similar conditions. A Neurologist â If your doctor suspects a problem with the nervous system, he or she may refer you to a neurologist.