Exhale very deeply while raising your legs and torso for added benefit.
Lower abdomen, from just above your belly button to your pubis. The lower half of the six pack abs.
Outer sides of your abdomen.
Upper abdomen, from just above your belly button to your sternum. The upper half of the six pack abs.
Muscles spanning the front of your thigh.
Dumbbells
When gripping dumbbells, make sure you position your hands in the middle of the bar and not at the end next to the plates.
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