Stand with your feet shoulder-width apart, toes slightly pointed outwards. Lower your body by bending your knees and pushing your hips back as if you were sitting down in a chair.
Stand with your feet together, then take a big step forward with one foot. Lower your body until both knees are bent at 90-degree angles, with your front knee positioned directly above your ankle.
Stand with your feet hip-width apart, holding a barbell or dumbbells in front of your thighs with an overhand grip.
Sit on a leg press machine with your back flat against the pad and your feet placed hip-width apart on the platform.
Stand on a raised surface such as a step or platform with your heels hanging off the edge.
Stand in front of a sturdy bench or step. Step onto the bench with one foot, driving through your heel to lift your body up onto the step. Step back down and repeat on the other side. You can hold dumbbells for added resistance if desired.