For added benefit, squeeze your chest consciously as you bring your arms together.
Largest portion of your chest, spanning from your sternum to your shoulder. It takes up a majority of your chest and is multiple times larger than your clavicular head.
Smallest portion of your chest, spanning from your clavicle to your shoulder. It takes up a very small area of your chest and is multiple times smaller than your sternal head.
Front portion of your shoulder.
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