Are you sluggish on the court or the field? Plyometrics are a tried and true training technique to build up power, speed and stamina. They're also great for conditioning style workouts if you're looking to burn some serious fat and lose weight. We asked Muscle and Fitness Magazine featured athlete and owner of Iron Cross Fitness, Andy McDermott for few of his favorite plyometric variations.

Try these out and tell us how you feel.

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