MariposasHow to Do the Dumbbell Bench Press
By Zachary, builder of Mariposas · Reviewed against published exercise-science sources (references)
· Last updated June 2026
The dumbbell bench press earns its place in almost every serious upper-body program because each arm moves independently, which forces your chest, triceps, and front delts to work without the stronger side compensating for the weaker one. That bilateral independence also gives your shoulders a freer range of motion than a barbell allows, letting the dumbbells travel slightly inward at the top in a way that increases chest fiber recruitment across the full arc of the lift. The setup takes a little more coordination than a barbell press, but that coordination cost pays dividends in balanced strength and joint-friendly pressing mechanics. Log your sets, reps, and load free in the Mariposas app so you can actually track whether you're progressing over time.
How to do it
- Sit on a flat bench with a dumbbell balanced vertically on each thigh, feet flat on the floor about hip-width apart, and take a breath to brace your core before you do anything else.
- Use a controlled kick-up motion, one thigh at a time, to bring the dumbbells to your chest as you lie back; do not just flop backward and hope the weights follow.
- Once you're lying flat, position the dumbbells at chest level with your palms facing your feet, elbows angled roughly 45 to 60 degrees away from your torso rather than flared straight out to the sides.
- Press both dumbbells upward in a slight arc so they travel toward each other at the top, stopping just short of the plates touching; that slight inward path keeps tension on the chest at lockout.
- At the top position, your arms should be nearly straight but not hyperextended at the elbow, and the dumbbells should be directly over your lower chest, not drifting over your face.
- Lower the dumbbells under control, taking roughly two seconds on the way down, until you feel a full stretch in your chest with the weights at or just below chest-level on the outer edges of your pec.
- Keep your upper back pressed firmly into the bench throughout; a small natural arch in your lower back is fine, but your glutes and upper traps should stay in contact with the bench the whole time.
- Complete the rep by pressing back to the top with the same slight inward arc, exhaling through the concentric portion, and repeat for your target reps before re-racking by guiding the dumbbells to your thighs in a controlled manner.
Form cues
- Elbows in, not winged out.
- Squeeze the chest at the top, don't just lock the elbows.
- Slow it down on the way down.
- Drive your feet into the floor.
- Chest up, shoulders back and down.
Common mistakes
- Flaring the elbows to 90 degrees puts enormous shear stress on the shoulder joint and shifts load away from the chest; pulling the elbows to a 45 to 60 degree angle fixes this immediately and protects the front of the shoulder.
- Letting the dumbbells drift over the face or neck rather than the lower chest means your front delts do most of the work and your pecs barely engage; keep the path of the press directly above the nipple line.
- Bouncing or rushing the eccentric strips the muscle-building benefit of the lowering phase and risks losing control of heavy dumbbells; a two-second descent keeps the chest under tension and keeps you safe.
- Pressing straight up like a barbell rather than allowing the slight inward arc at the top leaves tension on the table; the dumbbells should naturally converge a few inches by the time you reach the top of the rep.
- Sitting up too quickly after the final rep is how people drop 60-pound dumbbells on the floor or strain something; guide the weights back to your thighs first, then use that momentum to sit up in one smooth movement.
Why do the Dumbbell Bench Press?
- Because the two dumbbells move independently, side-to-side strength imbalances between the chest, triceps, and front delts become visible and correctable, which rarely happens with a barbell where the dominant side quietly carries more load.
- The free range of motion available with dumbbells allows a deeper stretch at the bottom of each rep than a fixed barbell path provides, and that increased range of motion under load is consistently associated with greater muscle growth in the chest.
- The stabilization demand on the front delts and triceps throughout the movement builds pressing strength that transfers well to other upper-body work, including overhead pressing and pushup variations, because those muscles learn to coordinate rather than just push in isolation.
- Compared to a barbell bench press, the dumbbell version is often easier to scale and adjust mid-program; going up 5 pounds per dumbbell is a smaller jump than adding a full plate, which makes steady progressive overload more accessible.
Dumbbell Bench Press variations
- Incline Dumbbell Bench Press
- Performed on a bench set to 30 to 45 degrees, this shifts more emphasis toward the upper chest and increases front delt involvement, making it a useful addition when upper chest development lags behind the mid-chest.
- Floor Press with Dumbbells
- Lying on the floor rather than a bench limits the range of motion at the bottom, which reduces shoulder stress and makes this a practical option for lifters managing anterior shoulder discomfort while still training the chest and triceps.
- Neutral-Grip Dumbbell Bench Press
- Rotating the palms to face each other throughout the lift places the elbows closer to the ribcage and reduces external rotation at the shoulder, a common entry point for people who find the standard grip causes elbow or wrist discomfort.
- Single-Arm Dumbbell Bench Press
- Pressing one dumbbell at a time dramatically increases the core anti-rotation demand and exposes even small left-to-right differences in pressing strength, making it a useful diagnostic and corrective tool.
How to program it
The dumbbell bench press appears across a wide spectrum of training goals. For hypertrophy, many lifters gravitate toward the 8 to 15 rep range with moderate loads, where the extended time under tension and full range of motion are easy to maintain. Strength-focused programs sometimes use it in the 4 to 8 rep range as a secondary movement after a heavier barbell main lift. In a typical session, it sits either as a primary chest movement on an upper-body or push day, or as a second compound exercise directly following a barbell bench press.
Dumbbell Bench Press alternatives
FAQ
- Should I touch the dumbbells together at the top?
- Not necessarily. Many lifters let the dumbbells converge close but stop short of contact because banging them together at the top can shift load to the wrists and disrupt control. The goal is tension on the chest, not touching the plates.
- How do I get heavy dumbbells into position without a spotter?
- The standard method is the kick-up: sit at the edge of the bench with the dumbbells resting on your thighs, then use a quick leg assist to pop each dumbbell up to chest height as you lie back. For very heavy dumbbells, a spotter tapping your elbows (not the weights) as you press the first rep is the safest option.
- Dumbbell bench press versus barbell bench press: which builds more chest?
- Research on range of motion suggests dumbbells may edge out the barbell for chest muscle activation because of the deeper stretch available at the bottom. Practically, the barbell allows heavier absolute loads, so most programs use both rather than treating it as an either-or decision.
- Why do my shoulders hurt during dumbbell bench press?
- The most common culprit is elbow flare, where the elbows travel too far out to the sides, loading the front of the shoulder capsule. Pulling the elbows inward to roughly 45 degrees and ensuring the dumbbells are pressing over the chest (not the face) resolves this for many lifters. Persistent pain warrants a check with a medical professional.
- How much should I be able to dumbbell bench press?
- There is no universal standard since it depends on bodyweight, training age, and individual leverages. A common informal benchmark among recreational lifters is that a comfortable working set with dumbbells tends to be roughly 70 to 80 percent of what someone can press with a barbell for the same rep range, though this varies considerably from person to person.