Try not to pull on your head with your hands because it can lead to neck discomfort down the line.
Lower abdomen, from just above your belly button to your pubis. The lower half of the six pack abs.
Upper abdomen, from just above your belly button to your sternum. The upper half of the six pack abs.
Muscles spanning your inner thigh.
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
