When it comes to power development, there might not be a more effective method than sprinting because it is a more efficient workout to build muscle and cardio.
Running 101: Getting Started With Sprints, Livestrong.com
Sprints Are Short Duration International Society of Precision Agriculture
A 10-Minute Sprint Can Change Your Life: Five Reasons Why Sprinting Is Great For You Fitness
Short Distance Or Sprints International Society of Precision Agriculture
Races Over Short Distances Are Sprints International Society of Precision Agriculture
Sprints Are Short Duration International Society of Precision Agriculture
Races Over Short Distances Are Sprints International Society of Precision Agriculture
Running 101: Getting Started With Sprints
Running 101: Getting Started With Sprints Livestrong
Short Distance Or Sprints International Society of Precision Agriculture
Running 101: Getting Started With Sprints Livestrong