When the long sciatic nerve in the posterior side of the body becomes irritated or compressed due to a slipped or degenerative disk, tingling sensations, numbness and weakness is felt down the back of the leg.

The CDC estimates that 1 in 5 adults in the United States, or 46 million people, suffer from some form of arthritis, a group of diseases that includes osteoarthritis, rheumatoid arthritis, gout and lupus.

If you told a group of well-meaning friends that you had a pain in one side of your buttocks and the back of your thigh, one might suggest that you that you have "sciatica." But do you? How do you know it's not just a pulled muscle, or bursitis or some other less nefarious condition?

The scapula is a flat bone in the back of the shoulder that is often referred to as the shoulder blade. Pain in this region is often the result of tight muscles or injury to the rotator cuff -- a small grouping of muscles that allow you to move your shoulder in multiple directions.

Swelling and inflammation are common symptoms of seafood allergies, according to MayoClinc.com. Although most swelling occurs in the skin, the sinuses and the lungs, if you have any joint conditions -- such as arthritis -- you may develop joint pain.

Pain in the hip from a pinched nerve can be temporary, or the result of a longer-term condition such as sciatica, which results when the sciatic nerve becomes trapped between two muscles or muscle and bone. Stretching is a beneficial way of lengthening and loosening the muscle that may be putting pressure on the nerve.

Calcium is a mineral important to a number of our normal bodily functions. Its concentration in your blood is only normal within a very narrow range. Too much calcium, which is usually caused by dysregulation of your parathyroid gland, can cause a number of symptoms, including joint pain.

Androgens are the group of male hormones that include testosterone. Excess production can lead to a number of hormonal disorders like polycystic ovary syndrome and might even increase cancer risk.

Subluxation -- a less than full dislocation of a joint -- occurs when movement of a joint goes beyond its maximum range causing the bones to move out of alignment. Subluxations commonly occur in the sacroiliac (SI) joint, which is formed by the bottom of your spine and your pelvis.

You may not be able to enjoy foods that contain tomatoes because you develop joint pain and other symptoms. Tomatoes are considered by the University of Maryland Medical Center to be one of the most common food allergens that may trigger joint pain.

Acute inflammation is a healthy response to acute injuries because it helps the healing process, but chronic inflammation in your body may increase your risk for conditions such as heart disease, arthritis and diabetes.

Instead of having muscles that are too tight, people with hypermobility syndrome are often too flexible. They are able to extend their joints and flex their muscles beyond the normal range.