Make sure you focus on maintaining a flat back when you bend your torso and lean forward to touch your heel.
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.
Outer sides of your abdomen.
Muscles spanning the front of your thigh.
Bodyweight Only
This means that the only thing you need to successfully perform the exercise is your body. No other equipment is needed.
Exercises that target the same primary muscle groups and require the same equipment.
Exercises that target the same primary muscle groups with different equipment