Squats will always light up your glutes and quads. But the cardio king of the squat family-the squat jack-does so much more. For starters, it burns calories like crazy. And since you crank out tons of ...

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When Kusum Sinha, the superintendent of Garden City Public Schools in New York, took a trip this summer to Finland, Estonia and Sweden with other district leaders, she came back wishing she could ...

Each branch of the armed forces uses a simple bodyweight exercise to keep everyone in peak physical condition — they clearly understand the benefits of jumping jacks! While exercises like squats, ...