Definition. Night leg cramps, also called nocturnal leg cramps, are painful, involuntary spasms, aching or contractions of muscles in your legs. In most cases, night leg cramps involve your calf muscles, but muscles in your feet or thighs may cramp as well.1  Causes.ight leg cramps, also called nocturnal leg cramps, are painful, involuntary spasms, aching or contractions of muscles in your legs.
Tlingit and neighboring peoples. The greatest territory historically occupied by the Tlingit extended from the Portland Canal along the present border between Alaska and British Columbia, north to the coast just southeast of the Copper River delta in Alaska.
These Sections are located in southwestern Alaska, and, as their names describe, include the Alaska Peninsula, Aleutian Islands, and part of Kodiak Island. The area of these Sections is about 22,200 mi2 (57,500 km2).