Site Icon Lee Priest – Flat Bench vs Incline for Chest Development

13/07/2026

Does flat bench work your upper chest? We got Lee Priest to sort out one of the most repeated lines in the gym: “flat bench is for your chest, incline is for upper chest.” It’s not that simple. Lee’s seen plenty of people who do nothing but flat and still carry a huge upper chest.

Flat Bench Works the Whole Chest

  • The chest works as one muscle. A flat bench press doesn’t just hit the middle of your chest. It works the whole thing — upper, mid and lower fibres all fire on every rep, whether you feel it up top or not.
  • As Lee puts it, “doing a flat bench will work generally your whole chest.” That’s the key point most gym-goers miss when they overthink angles.
  • Lee’s seen plenty of people who do nothing but flat bench and still carry a huge upper chest. If flat only built the mid-section, that wouldn’t happen.
  • Don’t skip flat to chase upper chest. Flat pressing lets you move the most weight, so it drives the most overall growth. It’s the foundation everything else is built on.
A man with tattoos lies on a bench press bench in a gym, gripping a barbell with red weight plates, preparing to lift. Gym equipment and weights are visible in the background.

So Does Incline Do Anything?

  • Yes — but it’s emphasis, not a different muscle. Changing the angle of the bench shifts a bit more load onto the upper chest fibres. That’s a real effect, and it’s worth using.
  • Even if you never did incline, in Lee’s words, “you’d still have overall chest development.” Incline is a useful extra, not a requirement for a full chest.
  • Use it, don’t obsess over it. If you want a bit more thickness up top, add some incline work.
A muscular man with slicked-back hair poses in a gym, showing off his flexed arms and upper body. He is shirtless, smiling, and has visible tattoos, including a NASCAR logo on his upper arm. The image is in black and white.

How To Build a Complete Chest

  • Make flat pressing your base. Flat barbell and dumbbell presses are your bread and butter — the heaviest, most productive movements for overall chest size and strength.
  • Add incline as a second angle. Throw in incline barbell or dumbbell presses to bias the upper chest a little more.
  • Progress the load over time. Whatever angle you’re on, add weight or reps week to week. A complete chest comes from getting stronger, not from chasing the perfect angle combination.
  • Train it hard, train it often enough. Hit your chest with real intensity a couple of times a week and give it time. Consistency beats fancy programming every time.

A solid bench, a decent barbell and a set of dumbbells will cover everything you need to build a full chest — flat, incline and everything in between.