According to the Centers for Disease Control and Prevention, there are 50 million Americans who suffer from some form of arthritis or joint pain. While arthritis and joint pain can be caused by a variety of factors, including age and joint injuries, vitamin and mineral deficiencies can also play a role in joint pain.

Your knee cartilage is composed of two separate wedges called menisci. Each meniscus acts as a cushion for your knee joint, and tears in a meniscus can cause significant pain and decrease your overall knee stability.

The symptoms of forearm tendinitis in a person’s forearm are described with his or her palm facing up. Tendinitis is frequently used to classify pain from several types of tendon injuries or diseases. More specifically, tendinitis is an inflammation of a person's tendon, which can heal with treatment.

According to the American Academy of Orthopaedic Surgeons (AAOS), over 580,000 total knee replacement surgeries occur every year in the U.S. Common reasons for a total knee replacement include osteoarthritis, rheumatoid arthritis, and injuries.

Knee pain is a common complaint for anyone who participates in a running program or attempts to run without being prepared. Running in the cold weather can add to knee pain or make it more difficult to run at your normal pace.

Trigger finger occurs when your flexor tendon becomes stuck, making it impossible to straighten your finger. Severe cases of trigger surgery may necessitate surgery that cuts the tendon in order to allow finger movement.

The knee has more structures than any other joint, making it very vulnerable to injury and pain. It doesn’t help matters that it’s also a weight-bearing joint. Factors that contribute to knee pain include overuse, an unusual motion, abnormal joint structure or a degenerative condition such as arthritis.

Excess weight puts a strain on every part of your body, including your ankles. Having to bear additional weight puts stress on bones, tendons and ligaments.

Gout patients must avoid foods high in the organic chemical purine to prevent outbreaks. Purine increases uric acid in the body, which can crystallize in the joints and cause gout attacks. Some high-protein foods, such as meats, seafood and poultry, are purine rich, but most protein-shake ingredients are not.

Haglund’s deformity is a condition characterized by a bone deformity at the back of your heel and irritation of the related soft tissue. In some cases, this condition stems from abnormal tightness in your Achilles tendon, which runs from your calf muscles to your heel bone.

Running is an exercise that benefits almost every system in your body -- it helps you lose or maintain body weight, strengthens your leg muscles and improves your cardiovascular fitness.

Even if you don’t have an exceptionally active lifestyle, your calf muscles still get quite the workout during a normal day. They become strong, and unless stretched regularly, tight, and prone to injuries.