As high intensity interval training (or HIIT) has grown in popularity, Tabata ... a step back on your right leg, crossing it behind your left leg, as if you were about to curtsy. Keep your weight ...

Using your body weight alone, you can work your muscles, strengthen your core, and raise your heart rate, like with this 30-minute equipment-free workout. The routine, designed by fitness trainer ...

Keep doing the workout until you can complete each and every set, and then you can look to keep progressing by doing a longer routine or introducing weights like in this 30-minute dumbbell workout.