What Is Gout? Gout is a disorder that results from the build-up of uric acid in the tissues or a joint. It most often affects the joint of the big toe. Causes Gout attacks are caused by deposits of crystallized uric acid in the joint. Uric acid is present in the blood and eliminated in the urine,

Gangrene occurs when there is a lack of blood supply to tissue, depriving it of oxygen, and thereby causing death and decay of the tissue. The two types of gangrene are wet (caused by bacterial infection) and dry (no infection). Most common causes of gangrene are diabetes, arteriosclerosis, tobacco abuse,

"Foot drop” refers to the inability to lift the front part of one’s foot off the ground when walking, resulting in a scuffing or dragging of the foot or lifting the thigh (known as “steppage” gait). It is most often caused by nerve or muscle disorders or damage, or by a central nervous system

Arthritis is a general term for a group of more than 100 diseases. “Arthritis” means “joint inflammation.” When it affects joints of the foot it can produce swelling and pain, and may eventually result in deformity, loss of joint function, and decreased ability to walk. The most common form

What is a Fifth Metatarsal Fracture? Fractures (breaks) are common in the fifth metatarsal – the long bone on the outside of the foot that connects to the little toe. Two types of fractures that often occur in the fifth metatarsal are: Avulsion fracture. In an avulsion fracture, a small piece

"Fallen arches" is a common term used to describe a flatfoot condition that develops during adulthood. This should not be confused with other causes of flatfoot that may develop during childhood or adolescence. Most cases of “fallen arches” develop when the main arch-supporting tendon (the posterior

There are 26 bones in the human foot.  Some people have “extra bones” (accessory ossicles) which are usually congenital (present at birth) but may also be due to previous trauma. These extra bones, which can occur with any bone in the foot, can be painless (asymptomatic) and are only noticed when

What is Deep Vein Thrombosis? The blood supply of the leg is transported by arteries and veins. The arteries carry blood from the heart to the limbs; veins carry blood back to the heart. The leg contains superficial veins, which are close to the surface, and deep veins, which lie much deeper in the

“Drop foot” refers to the inability to lift the front part of one’s foot off the ground when walking, resulting in a scuffing or dragging of the foot or lifting the thigh (known as “steppage” gait). It is most often caused by nerve or muscle disorders or damage, or by a central nervous system

What Is the Achilles Tendon? A tendon is a band of tissue that connects a muscle to a bone. The Achilles tendon runs down the back of the lower leg and connects the calf muscle to the heel bone. Also called the “heel cord,” the Achilles tendon facilitates walking by helping to raise the heel off

Cold feet are most commonly a result of medical conditions that cause poor blood flow in the legs or feet, such as peripheral vascular disease (PVD), a blockage or narrowing of the arteries, Raynauds’s phenomenon (cold sensitivity which causes a spasm of the blood vessels), and heart disease. Some

Clubfoot (congenital talipes equinovarus) is a deformity that is present at birth in about one in every 1,000 children. It occurs in males more often than females, and can affect one or both feet. The feet of an infant with clubfoot point down and inward. It is not painful, but must be corrected to

What Is Chronic Ankle Instability? Chronic ankle instability is a condition characterized by a recurring “giving way” of the outer (lateral) side of the ankle. This condition often develops after repeated ankle sprains. Usually the “giving way” occurs while walking or doing other activities,

What Is Charcot Foot?Charcot foot is a condition causing weakening of the bones in the foot that can occur in people who have significant nerve damage (neuropathy). The bones are weakened enough to fracture, and with continued walking the foot eventually changes shape. As the disorder progresses, the

What is Cavus Foot? Cavus foot is a condition in which the foot has a very high arch. Because of this high arch, an excessive amount of weight is placed on the ball and heel of the foot when walking or standing. Cavus foot can lead to a variety of signs and symptoms, such as pain and instability. It

What is Capsulitis of the Second Toe? Ligaments surrounding the joint at the base of the second toe form a “capsule,” which helps the joint to function properly. Capsulitis is a condition in which these ligaments have become inflamed.   Although capsulitis can also occur in the joints of the