I really like them because its a welcome break from heavy weight low rep training and it gives an amazing pump. (scoobysworkshop.com)
Similar to a cardio workout, higher reps training burns more calories than lower reps training during the workout. (fitnessandpower.com)
This means that it provides many of the benefits of low rep training combined with the benefits high rep training by allowing for relatively heavy loads to be used while increasing time under tension. (directlyfitness.com)