Reverse Lunges are a great exercise to strengthen your legs and glutes. Here are the steps to perform them correctly:
Stand with your feet shoulder-width apart and your arms by your sides or on your hips.
Take a big step back with your right foot and lower your right knee until it almost touches the floor. Keep your left knee aligned with your left ankle and your torso upright.
Push through your left heel and return to the starting position. Repeat with your left foot stepping back. That's one rep.