The causes of plantar fasciitis are not entirely clear. Risk factors include overuse such as from long periods of standing, an increase in exercise, and obesity. It is also associated with inward rolling of the foot and a lifestyle that involves little exercise.
The Samsung Galaxy S4 is an Android smartphone produced by Samsung Electronics and was first shown publicly on March 14, 2013 at Samsung Mobile Unpacked in New York City.
Quick Answer. Most Samsung mobile phones use Google's Android operating system, but a few models use Microsoft's Windows Phone operating system or Samsung's own Bada operating system. All three operating systems are designed to work well with modern touch-screen smartphones. Continue Reading.