If you wear high heels, tight fitting shoes or shoes with pointed toes, you may develop bunions. Medline Plus reports that if you are born with abnormal bones in your feet you may also be susceptible to bunions. A bunion forms as a bony bump located at the portion of your foot where it meets your big toe.

The sciatic nerve can become easily impinged, resulting in debilitating pain and physical limitations.

Progesterone is a hormone naturally produced in the body. Though it is present in both women and men, it is more prominent in women as it plays a key role in regulating menstrual cycles and preparation for pregnancy.

A knee replacement, or total knee arthroplasty, is a surgical procedure in which your severely damaged knee joint is replaced with an artificial joint. According to the American Academy of Orthopedic Surgeons, 581,000 knee replacements are performed each year in the United States.

Anyone who has ever experienced an elbow injury knows how excruciating and inconvenient it can be. Even the smallest task, such as tying your shoes, can seem impossible when every bend of the arm causes pain.

Table salt is a common food seasoning that contains the mineral sodium. If you habitually consume too much sodium, you can elevate your blood pressure and significantly increase your risks for a number of serious or potentially fatal health conditions.

Uric acid is formed in the body from the normal breakdown of chemicals called purines, which arise from normal DNA and RNA turnover, from molecules that are the source of energy in cells or from dietary sources. A higher than normal blood uric acid level is called hyperuricemia.

Bruising around the Achilles tendon, which connects the calf muscle to the heel bone, is often caused by overuse and is common in runners.

Tennis elbow, or lateral epicondylitis, is a condition that involves the inflammation of tendons that attach to the lateral elbow, or on the outside of the elbow, states the American Academy of Orthopaedic Surgeons. Inflamed tendons can cause pain during movement or tenderness when touched.

Iliopsoas tendon issues can hinder your ability to walk, as the iliopsoas muscle plays a role in the movement of your hip and thigh. The iliopsoas muscle is actually two muscles -- the iliacus and the psoas -- that stretch from your spine into your hip and upper thigh area.

Your muscles typically contract and release as you move them. However, when a muscle spasm occurs, it is due to a muscle contraction that occurs when your muscle tightens without your brain telling it to. Typically, a solution for muscle spasms is stretching, which can help to loosen tight or contracted muscles.

The space between the femur, or thighbone, and the tibia, or shinbone, on X-ray views represents the overall thickness of the joint cartilage surfaces of each opposing bone as they articulate, or come into contact with one another.