Muscle weakness, or myasthenia, is a decrease in strength in one or more muscles. It is a common symptom of muscular, neurological and metabolic disorders. Muscular diseases, such as muscular dystrophy and dermatomyositis (disorder characterized by muscle inflammation), are common causes of muscle weakness.
Rating Newest Oldest. Best Answer: A doctor has a degree from medical school (4 years, either an MD or a DO) and has gone through residency (anywhere from 3 to 10 additional years of training). They are licensed to practice medicine or surgery (or both) independently, write prescriptions, etc.
D.O. vs. M.D. applicants. The main difference between the two types of physicians is that D.O.s have been specially trained to perform osteopthic manipulations on patients. They view the patient as a total person and focus on preventative care. They view the whole body rather than treat specific symptoms or illness.