Then do them.
it's just squats.
don't let your knees go past your toes. Ass to grass. thighs need to be parallel (in a straight line no slant legs, that's not real) to the ground. Don't arch your back.
In High School when I was weight lifting, my coach taught me by, pretending you're sitting in a chair, and then get back up without leaning forward. So you can practice in a chair to see if you're doing it right.