Watch this instructional fitness video to learn how to sprint. Sprinting is a simple and efficient exercise, but more complex and ballistic than jogging. It's important to keep an active arm swing when keep you knees high to use all of your tense energy for sprinting forward.
Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.