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 rheumatologist (if your back pain is caused by arthritis or other joint problem)  A physical therapist and/or occupational therapist (to help you learn to move and exercise in ways that don't worsen the pain but may improve it)
Treating back pain often involves the expertise of several different kinds of medical specialists, depending on the cause and severity of your back pain. You may start by seeing your own primary care doctor for an initial assessment. Your primary care doctor may then refer you to specialists including: