Home Workout: 21,15, 9

home workout 21-15-9

I thought 21, 15, 9 was only a CrossFit style workout? Actually, 21, 15, 9 is just a clever countdown of repetitions that can even be done within home workouts and traveling workouts.  Although this rep cycle is notorious for the CrossFit workout “Fran,” and its notorious countdown of 21, 15, and 9 repetitions of…

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