You know how it is with doing exercise routines… 15 minutes can feel like an hour. Or, you lose track of how many crunches youve done when you were aiming to do 100, so you just quit instead. This is where an online workout timer is such a great tool to make sure you get the most out of your workouts and eliminate any guesswork or temptation to cheat! http://www.videofitness.org
Duration : 1 min 2 sec