Updated: January 13, 2015 | Minnesota, Native American, North Dakota, South Dakota | 1 |. Cheyenne Indians (from the Sioux name Sha-hiâyena, Shai-ena, or (Teton) Shai-ela, âpeople of alien speech,â from shaâia, âto speak a strange languageâ). An important Plains tribe of the great Algonquian family.
The shaking legs syndrome, also called the restless leg syndrome (RLS) is one of a number of disorders that can cause the legs to move, twitch, or shake uncontrollably.
A lack of potassium or calcium can also be the underlying cause, as well as cold weather. Acute leg cramps frequently are confused with restless legs syndrome (RLS) which is a different and more serious, chronic condition characterized by discomfort and persistent throbbing and pulling sensations in the legs.