Get a slim, sleek body just like Carrie Underwood's by performing her fat-burning tabata workout designed by a celebrity trainer. Carrie uses these 4 no-equipment required moves at home or on the road to keep her flat stomach, toned legs and killer arms.
Squat down on your left leg, right toes just touching the floor for balance. Without standing up, move your right leg back into a lunge. Keep your left leg bent and return your right leg to starting position. Do 15 reps, then repeat on the other side. via StyleList