Continue alternating between plank jacks and shoulder taps at a steady rhythm.

When people think about fat loss, they usually picture long runs or hours on the treadmill. But here's the truth: you don't ...

To help you do exactly that, keep reading for how to do plank jacks correctly, plank jack variations to try, and tips for ...

Switch sides and repeat. The plank jack adds a cardio component to the traditional plank, challenging your core while boosting your heart rate. This dynamic movement works your legs, engages your ...