10 Best Dumbbell One Arm Bench Fly Alternatives for Chest Development
If you can’t perform the Dumbbell One Arm Bench Fly, use these five substitutes: bilateral dumbbell fly, single-arm cable fly, incline cable fly, pec-deck machine, or archer push-ups. Each preserves horizontal adduction to load the pectoralis major; cue: maintain a 20–30° elbow bend and slow the eccentric to protect the shoulder and increase time under tension.
Original Exercise: Dumbbell One Arm Bench Fly
How to Perform Dumbbell One Arm Bench Fly
- Sit on a flat bench with a dumbbell in one hand, resting it on top of your thigh.
- Lie back on the bench, keeping the dumbbell pressed against your thigh.
- Using your free hand, help lift the dumbbell up to the starting position.
- Hold the dumbbell directly above your shoulder with your arm extended and palm facing inward.
- Lower the dumbbell out to the side in a wide arc, keeping a slight bend in your elbow.
- Pause when your arm is parallel to the ground, then reverse the movement and bring the dumbbell back to the starting position.
- Repeat for the desired number of repetitions, then switch arms and repeat.
Best Dumbbell One Arm Bench Fly Alternatives
1. Dumbbell Incline One Arm Fly
99.9% MatchHow to perform this exercise
- Adjust the incline bench to a 30-45 degree angle.
- Sit on the bench with a dumbbell in one hand, resting it on your thigh.
- Lie back on the bench, keeping your feet flat on the ground.
- Hold the dumbbell with your arm extended straight up over your chest.
- Lower the dumbbell out to the side in a wide arc, keeping a slight bend in your elbow.
2. Dumbbell Decline One Arm Fly
99.9% MatchHow to perform this exercise
- Lie down on a decline bench with a dumbbell in one hand, resting it on your thigh.
- Using your thigh to help raise the dumbbell, lift it up to shoulder width with your palm facing your torso.
- Rotate your wrist so that the palm of your hand is facing forward.
- As you breathe in, lower the dumbbell slowly to the side until you feel a stretch in your chest.
- Exhale and use your chest muscles to bring the dumbbell back up to the starting position.
3. Dumbbell One Arm Fly On Exercise Ball
97.9% MatchHow to perform this exercise
- Sit on an exercise ball with a dumbbell in one hand and your feet flat on the ground.
- Walk your feet forward and roll your body down until your upper back is resting on the exercise ball.
- Extend your arm with the dumbbell straight up above your chest, palm facing inwards.
- Slowly lower the dumbbell out to the side, keeping a slight bend in your elbow.
- Pause for a moment, then squeeze your chest muscles to bring the dumbbell back to the starting position.
4. Dumbbell Incline One Arm Fly On Exercise Ball
97.9% MatchHow to perform this exercise
- Sit on an exercise ball with a dumbbell in one hand.
- Walk your feet forward and roll your body down until your head, neck, and upper back are supported on the ball.
- Hold the dumbbell with your arm extended straight up over your chest, palm facing inwards.
- Slowly lower the dumbbell out to the side, keeping a slight bend in your elbow.
- Pause for a moment when your arm is parallel to the ground.
5. Dumbbell One Arm Chest Fly On Exercise Ball
97.9% MatchHow to perform this exercise
- Sit on an exercise ball with a dumbbell in one hand and your feet flat on the ground.
- Walk your feet forward, rolling the ball until your upper back is supported on the ball and your head, neck, and shoulders are off the ball.
- Extend your arm with the dumbbell straight up above your chest, palm facing inward.
- Slowly lower the dumbbell out to the side, keeping a slight bend in your elbow.
- Pause for a moment when your arm is parallel to the ground.
6. Dumbbell Incline Fly On Exercise Ball
92.2% MatchHow to perform this exercise
- Set up an incline bench at a 45-degree angle.
- Sit on an exercise ball and roll forward until your upper back is resting on the incline bench.
- Hold a dumbbell in each hand with your palms facing each other and your arms extended above your chest.
- Lower the dumbbells out to the sides in a wide arc until you feel a stretch in your chest.
- Pause for a moment, then squeeze your chest muscles to bring the dumbbells back to the starting position.
7. Dumbbell Fly On Exercise Ball
92.2% MatchHow to perform this exercise
- Sit on an exercise ball and hold a dumbbell in each hand.
- Walk your feet forward and roll your body down until your head, neck, and upper back are supported by the ball.
- Extend your arms straight up above your chest, palms facing each other.
- Bend your elbows slightly and lower your arms out to the sides in a wide arc until you feel a stretch in your chest.
- Pause for a moment, then reverse the movement and squeeze your chest muscles as you bring the dumbbells back to the starting position.
8. Dumbbell Decline Twist Fly
91.1% MatchHow to perform this exercise
- Lie down on a decline bench with your head lower than your hips.
- Hold a dumbbell in each hand with your palms facing each other and your arms extended straight up over your chest.
- Lower the dumbbells out to the sides in a wide arc until you feel a stretch in your chest.
- As you lower the dumbbells, twist your wrists so that your palms face forward at the bottom of the movement.
- Reverse the motion and bring the dumbbells back up to the starting position, squeezing your chest muscles at the top.
9. Dumbbell One Leg Fly On Exercise Ball
90.9% MatchHow to perform this exercise
- Sit on an exercise ball with a dumbbell in each hand, palms facing each other.
- Place one foot on the ground and extend the other leg straight out in front of you.
- Lean forward slightly and bring your arms out to the sides, keeping a slight bend in your elbows.
- Slowly lower the dumbbells down and out to the sides, feeling a stretch in your chest.
- Pause for a moment at the bottom, then squeeze your chest muscles to bring the dumbbells back up to the starting position.
10. Dumbbell Decline Fly
90.6% MatchHow to perform this exercise
- Lie on a decline bench with your feet secured and your head lower than your hips.
- Hold a dumbbell in each hand with your palms facing each other and your arms extended above your chest.
- Lower the dumbbells out to the sides in a wide arc until you feel a stretch in your chest.
- Pause for a moment, then squeeze your chest muscles to bring the dumbbells back to the starting position.
- Repeat for the desired number of repetitions.
Why You Might Need a Dumbbell One Arm Bench Fly Alternative
You may substitute the Dumbbell One Arm Bench Fly for several reasons: shoulder pain during long-lever isolation, no access to dumbbells, a need for constant tension, or to correct bilateral imbalances. Cables and machines alter the load curve to keep tension through the range, reducing peak stress on the glenohumeral joint. If you have impingement, shorten range of motion and keep scapula retracted; cue: limit horizontal adduction just before painful end-range while maintaining a soft elbow. For hypertrophy, choose options that allow progressive overload and consistent pec activation rather than maximal range at the cost of joint pain.
How to Choose the Right Substitute
Select a substitute based on equipment, pain tolerance, and training goal. If you need constant tension and fine control of adduction, choose single-arm cable flys; cue: step back to create tension and lead with the elbow across the chest. For stability deficits or heavy loading, use bilateral dumbbell fly or pec-deck with controlled eccentrics (3-second descent). For limited equipment, choose archer push-ups to mimic horizontal adduction while building strength. Prioritize exercises that let you maintain progressive overload, controlled tempo, and clear pec engagement during the concentric.
Frequently Asked Questions
What muscles does Dumbbell One Arm Bench Fly work?
The primary target is the pectoralis major (sternal head in flat positions, clavicular head when inclined). The anterior deltoid assists and the serratus anterior plus scapular retractors stabilize the shoulder; cue: retract the scapula and lead movement with horizontal adduction to maximize pec activation.
What is the best bodyweight alternative to Dumbbell One Arm Bench Fly?
Archer push-ups are the best bodyweight alternative because they reproduce unilateral horizontal adduction with high pec loading. Cue: keep the elbow slightly tucked (~30°), lean the torso forward to bias the chest, and control the descent to emphasize eccentric time under tension.
Can I build muscle without doing Dumbbell One Arm Bench Fly?
Yes. You can achieve comparable hypertrophy with presses, bilateral fly variations, and cables that maintain high pec activation and progressive overload. Focus on consistent tension, controlled eccentrics (2–4 seconds), and gradual load increases to stimulate growth even without that specific isolation movement.
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