The changing of the season brings cooler weather, shorter days and more people heading to health clubs for a healthy dose of indoor exercise. While experts agree that exercise is one of the most beneficial activities a person can do to improve one’s overall health, dermatologists want gym goers to be aware of the hidden dangers of exercise – bothersome skin conditions that can be painful and inhibit further physical activity if left untreated.
Speaking November 8 at the American Academy of Dermatology’s (Academy) SKIN academy, dermatologist Brian B. Adams, MD, MPH, FAAD, associate professor of dermatology at the University of Cincinnati and director of dermatology at the Veterans Administration Medical Center, both in Cincinnati, Ohio, discussed the most common skin conditions to which people who engage in regular indoor exercise are susceptible and how to treat them.
“Despite its positive effect on a person’s physical and psychological health, regular exercise does not necessarily improve our skin health and may in fact lead to a rash of skin conditions that require treatment,” said Dr. Adams. “While exercising indoors eliminates the threat of skin cancer and sun damage, it is important for people who frequent health clubs to be aware of the risks to their skin as well.”
Blisters form when friction between an area of the body and athletic equipment causes a splitting of the top layer of skin, allowing fluid build-up. Runners and those who routinely lift weights often develop blisters. Dr. Adams suggests that the key to preventing blisters is to reduce friction by creating more distance from the equipment to the skin.
“Wearing moisture-wicking socks, applying a thin layer of petroleum jelly between the sock and the shoe, and using gloves to lift weights can help prevent blisters from forming,” said Dr. Adams. “Also, there is no better dressing for blisters than your own skin, so you should not peel off the top layer of a blister. If it comes off, keep the blister covered with petroleum jelly and a bandage.”
While blisters normally do not become infected, Dr. Adams cautioned that redness appearing on the skin in the vicinity of the blister could indicate an infection and should be treated by a dermatologist.
Unfortunately, health clubs are breeding grounds for all kinds of fungus – from swimming pool floors and diving boards to showers and locker rooms. The most common contagious fungal infection that exercise enthusiasts are prone to developing is tinea pedis, or athlete’s foot. This fungus grows best in dark, moist and warm environments, making sweaty feet tucked inside running shoes perfect targets.
Perhaps the most bothersome symptom of athlete’s foot is the itching and burning sensation people feel on their feet. In some individuals, the skin between the toes peels, cracks and scales, while others may experience redness, scaling or dryness on the soles and along the sides of the feet. Some people who develop athlete’s foot also may be at risk for toenail fungus, which can be difficult to treat without dermatologic care.
“The best defense against athlete’s foot is to never go barefoot in a health club,” advised Dr. Adams. “Wear shoes, socks, sandals or aquatic shoes at all times.”
Dr. Adams added that most cases of athlete’s foot respond well to over-the-counter medications, but persistent or recurring infections will require prescription-strength medications from a dermatologist.
Regular exercisers also may be susceptible to acne mechanica, a form of acne that can occur under athletic equipment or tight-fitting clothing. Acne mechanica typically develops in warm, moist environments – especially areas prone to friction. Wearing tight-fitting exercise shorts made of non-breathable fabrics can even cause an acne flare-up on the buttocks.
“Changing your workout attire by eliminating tight-fighting clothing and adding more breathable, moisture-wicking fabrics can help prevent acne mechanica,” said Dr. Adams. “If these preventive measures are not working, your dermatologist can prescribe prescription medications that are effective in treating this type of acne.”
Originally termed for outdoor athletes, turf burns (or road rash) are nasty abrasions that can occur on an area of the body – usually the arms or legs – if athletic padding is not used. Most cases of indoor turf burns are caused by sliding on the basketball court or from constant contact with exercise mats or carpet.
“For the quickest healing and to avoid scarring, turf burns need to be cleaned and covered with petroleum jelly and a bandage,” said Dr. Adams. “If there are any signs of an infection or it doesn’t seem to be healing properly, see your dermatologist.”
Indoor Tanning: Take a Pass
Unfortunately, not everything in a health club is “healthy.” Perhaps the biggest health threat is indoor tanning devices, which are still offered at some health clubs across the country despite their link to skin cancer. Ultraviolet light, whether from natural sunlight or artificial light sources, increases a person’s risk of developing skin cancer.
In September 2007, President Bush signed the Tanning Accountability and Notification Act (TAN Act) into law, which calls for the U.S. Food and Drug Administration (FDA) to determine if the current language and positioning of warning labels on indoor tanning devices is adequate to effectively warn consumers of the known dangers of indoor tanning – including the risk of skin cancer.
“As dermatologists, we see the serious health consequences skin cancer poses for patients every day,” said Dr. Adams. “There is absolutely nothing healthy about indoor tanning that should allow it to be offered to health club patrons, who are in some cases being misled to think that this form of UV-exposure is safe and that a tan is somehow healthy. Hopefully this new law will force health clubs to re-examine their choice about offering a disservice like indoor tanning to their patrons.”
In addition, Dr. Adams offered these sun-safety tips for outdoor fitness buffs:
“Being aware of the skin problems that can arise from indoor or outdoor exercise is a crucial first step in keeping your skin healthy and getting the most out of your workouts,” said Dr. Adams. “If you have a concern about your skin, whether or not it’s related to exercise, it’s important to see a dermatologist for diagnosis and treatment.”
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