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.
RLS is different from simply wanting to shake your leg a lot while sitting. In order to be officially diagnosed, you must have all of the following, says the Restless Legs Syndrome Foundation: A strong, sometimes irresistible, urge to move your legs.en percent of Americans suffer from Restless Leg Syndrome (RLS), an under-diagnosed neurological disorder that causes creepy-crawly, tingling, aching, burning sensations in the calves, thighs, feet and even arms.