Gyms are the go-to places for most people to stay fit and healthy, but they can also be one of the breeding grounds for unwanted foot conditions such as plantar warts. Plantar warts are essentially caused by the human papillomavirus (HPV) and they can be easily contracted in moist, communal areas such as locker rooms and showers. This could put gym-goers at risk for plantar warts, amongst other skin infections — unless they practice certain precautions.