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One-Arm Dumbbell Bench Presses

by
author image Kyle Arsenault
Kyle Arsenault is a performance coach, author and former intern of the renown Cressey Performance. Now working with Momentum PT, he specializes in combining principles of physical therapy with strength and conditioning to enhance overall performance for his competitive athletes as well as his general population athletes.
One-Arm Dumbbell Bench Presses
Skip the bench press and do a single-arm dumbbell press instead. Photo Credit Dumbbell

When the goal is to achieve a stronger, safer and more effective barbell bench press, sometimes the best thing to do is to get away from the bench altogether. Instead, opt for variation that can better enhance the qualities that are critical to improving your bench press.

Read More: Dumbbell Press vs Bench Press

Benefits of the Single-Arm Dumbbell Bench Press

One variation of the bench press is the single-arm dumbbell bench press. This variation demands greater stability demand from the shoulder, shoulder girdle and core, because of the unbalanced load.

With the dumbbell in one hand, its weight is working to rotate your body toward it, challenging your core -- specifically, your internal and external obliques -- to stabilize you and keep you flat on the bench.

Because of the greater stability demand and difficulty of the single arm dumbbell bench press, safety needs to be the first consideration when performing the exercise.

Read More: How to Build Stabilizer Muscles for Bench Presses

Single-Arm Dumbbell Bench Press Execution

Select a weight that is slightly lighter than the weight you would press with a two-arm dumbbell bench press. Once you have selected the appropriate weight, safely and effectively execute the single arm dumbbell bench press:

Step 1

Start sitting on the bench with the dumbbell resting on your thigh.

Step 2

Use both hands to bring the dumbbell up to shoulder height as you lie back on the bench in a controlled manner.

Step 3

Keep your abs engaged, thinking about pressing your low back to the bench, and drive your feet into the floor.

Step 4

With the dumbbell now in one hand and at shoulder height over one shoulder, keep the elbow 45 degrees to the body as you press it toward the ceiling.

Step 5

Slowly lower the dumbbell back down, not allowing the shoulder blade to tip forward or the elbow to pass too far behind the body as you approach the bottom of the motion.

Step 6

Repeat for reps and switch sides.

Swap the barbell for a dumbbell.
Swap the barbell for a dumbbell. Photo Credit Ramilon/iStock/Getty Images

Other Tips

Although the single-arm dumbbell position allows you to achieve a greater range of motion when compared to the standard barbell bench press, don't allow the dumbbell to go too low and actually contact the shoulder or upper chest.

Stop the dumbbell when the elbow is slightly less than 90 degrees, and the dumbbell is hovering just above the shoulder and upper chest.

Remember, this exercise creates a greater stability demand throughout the entire body. Don't grab the bench with your empty hand, as that decreases the amount of work your core is required to perform, eliminating one of the greatest benefits of the single-arm dumbbell bench press.

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