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)
Orthopedic surgeons are a popular choice for treatment of sciatica, mostly because they regularly treat lower back pain and problems of the spine. For cases of sciatica that do not resolve quickly on their own, or cases that do not respond to exercise and mild pain medicine, an orthopedic surgeon is a good option.He will have expertise in management of the pain and in handling the lower back issues that may be causing the sciatica.or most cases of sciatica, which are simple compressions of the sciatic nerve by either lower back muscles or disks in the back, a family doctor can treat the problem.