Call the fire department-this squat variation is about to set everything ablaze. Squats will always light up your glutes and quads. But the cardio king of the squat family-the squat jack-does so much ...

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, ...

Whether you’re a jumping jack fanatic or you haven’t done a jumping jack since middle school gym class, there’s one thing (okay, two things) most of us can agree on: jumping jacks are fun (they make ...