Rhythmically breathe during this movement, inhaling whenever one leg reaches the highest point and exhaling when that same leg reaches the lowest point every time.
Muscles of your butt.
Muscles spanning the back of your thigh.
Center region of your back, spanning from the pelvis to just below the neck. However, parts of it are hidden beneath other muscles. The lower portion is the most visible.
Bodyweight
This means that the exercise requires you to use your bodyweight as resistance but you also need other equipment to successfully perform the exercise.
Flat Bench Without Rack
If you can't find this bench, consider using a flat bench with rack instead. If your exercise requires you to use a barbell or bar, you cannot substitute. If you do not need to use either, you probably can substitute.
Exercises that target the same primary muscle groups and require the same equipment.
Exercises that target the same primary muscle groups with different equipment