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.
Quick Answer. Causes of upper arm pain include shoulder bursitis, biceps tendinitis, impingement syndrome and tennis elbow, according to the National Institute of Arthritis and Musculoskeletal and Skin Diseases. Pain can start near the shoulder and travel down, or start at the elbow and travel toward the shoulder. Keep Learning.