'Learn the aerobics exercise step called the L Step with a demonstration from our aerobics expert in this free exercise video on basic aerobic steps.  Expert: Riki Butler Bio: Riki Butler graduated from the University of Florida with a B.S. in Health Science Education. She is a certified personal trainer and group fitness instructor. Filmmaker: Michael Carter' 

Tags: Aerobic exercise for beginners , aerobic exercise tips , aerobic exercise steps , aerobic exercise lesson , aerobic exercise guide , beginners aerobic exercises , learn aerobic exercises

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