Knowledgebase

Immersion foot is the term used to described tissue damage of the foot caused by long-term exposure to water. The mechanism of tissue damage is not fully understood. Damage occurs to soft tissue, blood... (read more)

Hyperhydrosis is a condition in which the sweat glands are over-productive, resulting in excessive perspiration. This condition is most common in adolescents and young adults. Hyperhydrosis of the feet... (read more)

The terms heel spur and heel spur syndrome describe a condition more commonly called plantar fasciitis. For more information on heel pain, please follow the link to plantar fasciitis. Last Update: December... (read more)

Each step that we take applies a phenomenal load to the heel. Consider the fact that in a simple slow walk, the load applied to the heel can be more than twice our body weight. If we increase the speed of our... (read more)

The term hammer toe describes three unique contracture deformities of the toes. The deformities differ by the location of contracture in each joint of the toe. The three deformities include hammer toe,... (read more)

Hallux rigidus is the term used to describe end-stage limited range of motion of the great toe joint. Hallux rigidus is the final stage (stage 4) of hallux limitus. Hallux limitus is a progressive degenerative... (read more)

Hallux limitus describes a condition where the hallux (great toe) is limited in its range of motion at the metatarsal phalangeal joint. This limited range of motion results in pain of the 1st metatarsal... (read more)

Haglund's deformity is the term used to describe an enlargement of the posterior/lateral heel. Haglund's deformity also goes by the name of Haglund's disease and pump bump. Most clinicians agree that Haglund's... (read more)

Gout is a form of crystal deposition arthritis, hence the name gouty arthritis. Uric acid, a chemical that is found in the serum component of our blood, and a by-product of protein metabolism, is the key... (read more)

Ganglionic cysts (ganglion cysts) are fluid-filled cysts that are common on the lateral aspect of the ankle and on the top of the foot. Clinicians and surgeons believe that ganglionic cysts are derived... (read more)

Fungus toe nail is also known as onychomycosis. Please follow the link to onychomycosis for more information on fungus toe nail. Internal reference only: ZoneD8, ZoneD9, ZoneL11, ZoneM9, ZoneM10 (read more)

Frostbite is a cold weather injury that freezes the water in the cells of skin and deep tissues. As the water in a cell freezes, the structures within the cell become dehydrated. As a result, the cell... (read more)