Flat bench · Dumbbell

Dumbbell Bench Press

A flat-bench chest press with a dumbbell in each hand. Each arm works on its own, and the hands can travel a little further than with a barbell.

Dumbbell Bench Press shown on a 3D figure, with the working muscles highlighted

Press the dumbbells up, forearms vertical

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PrimaryChest
SecondaryShouldersTriceps

How to do it

  1. Sit on the end of a flat bench with a dumbbell resting on each thigh.
  2. Lie back, bringing the dumbbells up beside your chest, and plant your feet flat on the floor.
  3. Pull your shoulder blades back and down into the bench.
  4. Press the dumbbells up until your arms are straight, finishing over your shoulders.
  5. Lower them slowly with your forearms vertical and your elbows tucked about 45–60° from your sides, stopping when your upper arms are about level with the bench.

Common mistakes

  • Flaring the elbows straight out to the sides at 90°, which puts the shoulder joint in a vulnerable position.
  • Letting the elbows sink well below the bench, which overstretches the front of the shoulder.
  • Letting the dumbbells drift inside or outside the elbows instead of keeping the forearms vertical.
  • Clanging the dumbbells together at the top, which takes tension off the chest.
  • Lifting your hips off the bench to push the weight up.

Sets and reps

GoalSetsRepsRest
Starting out2–38–121–2 min
Strength3–45–82–3 min
Muscle size3–48–121–2 min

Heavier dumbbells are hard to get into position: sit with them on your thighs and kick them up one at a time as you lie back. Expect to press a little less in total than with a barbell, since each arm also has to steady its own weight.

These are starting points for healthy adults. End each set with a little left in the tank, and move up once you reach the top of a range. The research behind them: How Many Sets and Reps? and How Long to Rest Between Sets.

Variations

  • Barbell bench press: Both hands on one bar, so you can lift heavier and add weight in small steps.
  • Incline dumbbell press: The bench raised to about 30° to focus on the upper chest.
  • Neutral-grip dumbbell press: Palms face each other through the whole rep. Many people find it easier on the shoulders.
  • Floor press: Pressing while lying on the floor, so each rep stops when your upper arms touch down. A shorter range, and no bench needed.

The animation shows general technique, not advice for your body. If you have an injury or are new to lifting, check your form with a qualified coach. See the Disclaimer.

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