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Targets: quads + hamstrings + glutes + calves + cardio
Cline does these plyometric jumps onto the top of a picnic table. Keller recommends starting with something lower, like a two-foot-high weight bench. From a standing position, jump with both feet onto the bench. Immediately jump backwards, drop into a tuck, and bound back on top of the bench. “Everything is dynamic, says Cline. “You’re moving continuously. Do three sets of 10 jumps, with 30-second rests in between.