Coal, oil and natural gas are three main types of fossil fuels. Fossils fuels are combustible materials that are formed over millions of years by the decomposition of plant and animal life. Continue Reading.
Some of the possible common medical causes of Extremity pain may include: 1  Brachial plexus lesions. 2  Carpel tunnel syndrome. 3  Biceps tendonitis.  Raynauds 1  phenomenon. Sickle cell anemia.  Black widow spider 1  bites. Polyneuropathy.  Cat scratch 1  disease. Post herpetic neuralgia.  Erythema nodosum.
Signs and symptoms that advanced lower extremity arterial disease is causing the leg pain include: 1  Decreased hair growth on the legs and feet. 2  Discoloration of the affected leg or foot when dangling (from pale to bluish-red) 3  Diminished or absent pulses in the affected leg or foot.