Knee pain is one of the most common reasons for a doctor's visit, according to the American Academy of Orthopaedic Surgeons. Many individuals experience a burning knee pain as the result of exercise.

Fluid on the elbow is known as elbow bursitis or olecranon bursitis. This condition is the result of fluid accumulating in the bursa, which is a saclike structure located at the point behind the elbow. This sac allows smooth movement in the elbow, making it easier to pick up, throw and hold objects.

Arthritis in the knee can cause pain and stiffness and it may seem best to avoid exercise. However, the right level and kind of exercise can actually help improve symptoms. Bicycling is often a good option because it is non weight bearing and can help to strengthen the muscles of the legs.

Caffeine is a stimulant that occurs naturally in tea and cocoa and is added in generous amounts to many beverages for the sole purpose of providing bursts of energy and staving off fatigue. Researchers have been trying to understand the effects of caffeine for decades.

Sciatic nerve flossing is done to "massage" the sciatic nerve when it becomes compressed by the muscles and bones, which is a condition known as sciatica, says the Mavenlive website.

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.

A meniscus is a wedge-shaped piece of rubbery cartilage that sits between the bones in your knee joint. Each knee has two menisci, which help stabilize the knee, absorb shock and prevent the femur, tibia and kneecap bones from rubbing against one another.

Like many exercise related injuries, Achilles tendinitis, or pain in the Achilles tendon at the back of the ankle, typically results from overuse and repetitive stress.

Squats are an exercise that involves lifting weights upon your shoulders and conducting a series of squatting movements. This strengthens your legs, especially the group of four muscles above your knee called the quadriceps.

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.

While it becomes difficult for elderly men and women to bend over and take care of their own feet and toenails, there are a number of diseases and conditions that become more serious and are more prevalent among the elderly, report doctors at Toback Podiatry.

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?