Liability and contra liability accounts are usually classified (put into distinct groupings, categories, or classifications) on the balance sheet. The liability classifications and their order of appearance on the balance sheet are: 1  Current Liabilities.  Long Term Liabilities.
1 Myotonic muscular dystrophy is the most common form of adult-onset muscular dystrophy. 2  Facial and neck muscles are usually the first to be affected. 3  Facioscapulohumeral (FSHD). 4  Muscle weakness typically begins in the face and shoulders.
The Most Common Types of MD. Duchenne MD is the most common form of muscular dystrophy and is caused by the absence of the protein dystrophin. This is a devastating disorder that progresses rapidly, with most sufferers (who are almost all boys) unable to walk by age 12 and needing a respirator to breathe.