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.
Achy Legs: Top 7 Causes. 1  Cause #1: Sciatica. 2  Cause #2: Restless Leg Syndrome. 3  Cause #3: Tumor. # 4 4: Peripheral Arterial Disease. # 5 5: Varicose Veins. # 6 6: Tendonitis. # 7 7: Hyperthyroidism. 8  Other Possibilities for Achy Legs.