1 First, try and keep your question as short as possible. 2  Include specific words that will help us identify questions that may already have your answer.  If you don't find your answer, you can post your question to WebMD Experts and Contributors.
Many people associate shaky hands with Parkinsonâs disease, but the most common cause of shaking hands is actually essential tremor. Essential tremor is the most common neurologic disorder affecting adults, but itâs not well understood.
Shaking of Legs or Leg Tremors: Classification, Types, Causes, Tests, Treatment. There are many causes for shaking of the legs or leg tremors. They may develop due to a central nervous system disease or due to thyroid gland problems. Excessive coffee or alcohol intake may also cause tremors in the legs.