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 Duchenne. 2  The most common form of muscular dystrophy in children, Duchenne muscular dystrophy affects only males. 3  It appears between the ages of 2 and 6. 4  The muscles decrease in size and grow weaker over time yet may appear larger.
Duchenne muscular dystrophy: The best-known form of muscular dystrophy, due to mutation in a gene on the X chromosome that prevents the production of dystrophin, a normal protein in muscle. DMD affects boys and, very rarely, girls.he muscular dystrophies associated with defects in dystrophin range greatly from the very severe Duchenne muscular dystrophy (DMD) to the far milder Becker muscular dystrophy (BMD).