Glossary

Arch - The arch of the foot is the area of the bottom of the foot between the heel pad and toe pad.

Acrokeratosis verruciformis - a hereditary dermatosis characterized by the presence of numerous flat wart-like papules on the dorsal aspect of the hand, foot, elbow, and knee.

Ankle - the part of the leg just above the foot; the joint between the leg and the foot. It is a hinge joint formed by the junction of the tibia and fibula with the talus, or ankle bone. The bones are cushioned by cartilage and connected by a number of ligaments, tendons, and muscles that strengthen the joint and enable it to be moved. Because it is in almost constant use, the ankle is particularly susceptible to injuries, such as sprain and fracture. It is also often one of the first joints to be affected by arthritis or gout.

Ankle clonus - a series of abnormal reflex movements of the foot, induced by sudden dorsiflexion, causing alternate contraction and relaxation of the triceps surae muscle.

Athlete's foot - a fungal infection of the skin of the foot; called also tinea pedis. It causes itching and often blisters and cracks, usually between the toes. Causative agents are Candida albicans, Epidermophyton floccosum, and species of Trichophyton, which thrive on warmth and dampness. If not arrested, it can cause a rash and itching in other parts of the body as well. It is likely to be recurrent, since the fungus survives under the toenails and reappears when conditions are favorable. Although Athlete''s foot is usually little more than an uncomfortable nuisance, its open sores provide excellent sites for more serious infections. Early treatment and health care supervision insure correct diagnosis and prevention of complications. Specific diagnosis is made by microscopic examination or culture of skin scrapings for the fungus.

Ankle sprains are caused by an unnatural twisting or force on the ankle bones of the foot, which may result in excessive stretching or tearing of one or more ligaments on the outside of the ankle. The severity of the sprain can impact the degree of damage as well as the type and duration of treatment. If not properly treated, ankle sprains may develop into long-term problems.

Primary symptoms of ankle sprains are pain following a twist or injury, swelling, and bruising.

Treatment includes resting and elevating the ankle and applying ice to reduce swelling. Compressive bandages also may be used to immobilize and support the injury during healing. Serious ankle sprains, particularly among competitive athletes, may require surgery to repair and tighten the damaged ligaments.

To prevent ankle sprains, try to maintain strength, balance, and flexibility in the foot and ankle through exercising, stretching, and wearing well-fitted shoes.

 




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