The science-based Sprint 8 interval training workout, exclusively available on Matrix Fitness equipment, delivers maximum results in a minimal amount of time.
And the best news is, anyone can do it!
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 EFFECTIVE Sprint 8 builds lean muscle and burns fat faster than traditional exercise |
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The science-based Sprint 8 interval training workout, exclusively available on Matrix Fitness equipment, delivers maximum results in a minimal amount of time. And the best news is, anyone can do it!
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