Do not pull on your head with your arms. Doing so can lead to later discomfort in your neck. It is best to focus on using your abs to raise you up, consciously ignoring your arms.
Outer sides of your abdomen.
Upper abdomen, from just above your belly button to your sternum. The upper half of the six pack abs.
Lower abdomen, from just above your belly button to your pubis. The lower half of the six pack abs.
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
