Step 1: Stand against a wall with your feet together and your hands on your hips.
Step 2: Take a big step forward with your right foot, lowering your body toward the ground until your right leg forms a 90-degree angle.
Step 3: As you lunge, keep the knee of your right leg over your ankle.
Step 4: Allow your left heel to lift off the ground as you lower your left knee. Don't let it touch the ground.
Step 5: Keep your torso tall and your abs pulled in tight.
Step 6: Push back up to standing, swinging your left foot through to a lunge.
Step 7: Do 3 sets of 12, alternating lunges.