If you want to emphasize your triceps more, tuck your elbows in. Leave them flared out to focus more on your chest.
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.
Lower tricep, close to your elbow.
Outer region of your tricep.
Upper region of your tricep.
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