QOTD: What Gadgets Help You Exercise?

Like it or not, exercise is an essential part of life. Well, a decent life, anyway. So to make all that hard work bearable, there are gadgets.

Our question today is this: What gadgets do you use to make your regular exercise more enjoyable? Let us know in comments.

Playing with balls is Gizmodo AU’s week-long look at the technology behind the sports we love, from the jerseys to the balls and everything in between. Go the Woodies!