A super set of combination jumping jacks and crunches is a great warm-up for conditioning exercises. Learn how to perform jumping jacks with crunches from a professional trainer in this workout video tutorial.
Focus on rhythm.
Alternate jacks & crunches.
Use full range of motion.
Michael Rosengart is a professional fitness trainer in Santa Monica, California.
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.