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.
Caribou live in the arctic tundra, mountain tundra and northern forests of Alaska. Caribou in Alaska are distributed in 32 herds that include over 950,000 individuals. Caribou can be seen any time of the year â the question is where. Caribou are migratory and can move up to 50 miles per day.