How heavy should the dumbbells be for lateral raises?

Start with light weights (5 to 10 lbs / 2 to 4.5 kg) to maintain proper form and gradually increase as strength improves. If you have to swing your body, lean, or shrug to get the dumbbells to shoulder height, the weight is too heavy.

Can I perform this exercise seated?

Yes, performing lateral raises seated can help minimize body movement and better isolate the delts.

How high should I raise the dumbbells?

Raise them until your arms are about parallel to the floor, with your elbows at roughly shoulder height. Going higher is not dangerous for a healthy shoulder, but past that point the dumbbells put less load on the side delts and more of the work shifts to the upper traps. It is also the range most likely to feel pinched if your shoulder is already irritated, so stop at shoulder height if you notice discomfort there.

Should I lead with my elbows or tilt my thumbs down?

Lead with your elbows, keeping a slight bend that stays fixed, and keep your palms facing the floor or your thumbs tilted slightly up at the top. Tipping the thumbs down as if pouring from a jug turns the upper arm inward, which can narrow the space at the top of the shoulder and is a common reason lateral raises feel pinched.

Do I need lateral raises if I already do overhead presses?

Not always, but they are one of the most direct ways to train the side delts. Overhead presses like the Dumbbell Shoulder Press do work the side delts, but the front delts handle much of the lifting, and bench presses and rows give the side delts relatively little work. Lateral raises are worth adding when you want broader-looking shoulders or more side delt volume than pressing provides.

How many sets and reps should I do?

Aim for 3 to 4 sets of 10 to 20 reps. The light weights this exercise uses make higher reps a practical way to add shoulder work while keeping every rep strict.

Dumbbell Lateral Raise

What Is the Dumbbell Lateral Raise?

Dumbbell Lateral Raise is an isolation exercise that primarily targets the lateral (middle) deltoid head, helping to build width and definition in the shoulders. It is a beginner-level movement that only needs light dumbbells, because the straight arm works as a long lever and makes even a small weight feel heavy by the time it reaches shoulder height. This exercise is particularly useful for improving shoulder aesthetics and creating a balanced upper body.

The side delts do most of the work as the arms rise out to the sides, while the front delts and upper trapezius contribute. The side delts meet the most resistance when the arms are level with the shoulders, so there is no need to lift higher, and going above shoulder height or shrugging shifts more of the work to the upper traps. Stopped at shoulder height, it trains the side delts with less inward rotation of the upper arm than a Barbell Upright Row.

It is usually programmed after the main pressing work in a shoulder or upper-body session. Presses such as the Dumbbell Shoulder Press work the front delts harder than the side delts, so a lateral raise gives the side delts direct work that pressing alone does not.

Performing it seated takes the legs and hips out of the movement, which makes it harder to swing the weights up. A Cable Lateral Raise keeps tension on the side delts at the bottom of the range, where dumbbells load them very little. Even so, an eight-week study of trained lifters who did dumbbell lateral raises with one arm and cable lateral raises with the other found both arms grew their side delts by a similar amount. A slight forward lean of the torso shifts some of the work toward the rear delts, and bending forward until the torso is close to parallel with the floor turns it into a rear delt exercise such as the Dumbbell Rear Lateral Raise.

It suits anyone who wants stronger, broader-looking shoulders, from beginners to experienced lifters. If even the lightest dumbbells force you to swing or shrug, start with a Band Lateral Raise or a Machine Lateral Raise, or bend your elbows more, which shortens the lever and makes the same weight easier to lift.

Muscles Worked

MuscleActivation

Deltoid: Primary
Upper Trapezius: Medium
Infraspinatus: Low
Lower Trapezius: Low
Serratus Anterior: Low
Extensor Carpi Radialis: Minimal
Teres Minor: Minimal

Instructions

Stand with your feet shoulder-width apart and hold a dumbbell in each hand with a neutral grip, arms resting at your sides.
Keep a slight bend in your elbows and engage your core for stability.
Slowly lift both dumbbells outward to the sides, leading with your elbows, until your arms reach shoulder height with your palms facing the floor. Maintain control throughout the movement.
Pause briefly at the top, ensuring tension remains on the lateral deltoids.
Lower the dumbbells back to the starting position in a controlled motion.
Repeat for the desired number of repetitions.

Common Mistakes

Using Momentum
Swinging the weights instead of using controlled movement reduces effectiveness and increases injury risk.
Lifting Too High
Raising the dumbbells well above shoulder height takes load off the lateral delts and shifts work toward the upper traps and serratus anterior, so stop at about shoulder height.
Shrugging the Shoulders
Letting the shoulders rise toward the ears as you lift lets the upper traps take over and reduces lateral delt work.
Excessive Arm Bending
A deep elbow bend shortens the lever and makes the lift easier on the lateral delts, so keep only a slight bend that stays fixed throughout the rep.
Turning the Thumbs Down
Tipping the thumbs toward the floor as you lift rotates the upper arms inward, which can narrow the space under the acromion and make the top of the rep feel pinched, so keep your palms facing the floor.

Injuries

Dumbbell Lateral Raise is a low risk exercise when performed with proper technique. Because the arms stay nearly straight, the dumbbells act on a long lever that feels heaviest at shoulder height, so most problems come from choosing weights that are too heavy and swinging them up. The shoulder is the main strain point. As the arms rise out to the sides, the space under the acromion narrows, and the rotator cuff tendons that pass through it can get pinched, which is known as subacromial impingement. Keeping the arms slightly forward and avoiding excessive elevation can help prevent this.

Stopping at about shoulder height keeps the tension on the side deltoids. Going higher is not dangerous for a healthy shoulder, but it shifts more of the work to the trapezius, and it is the range most likely to feel pinched if the shoulder is already irritated. The same goes for tipping the dumbbells so the thumbs point down at the top, a cue often described as pouring water from a jug. It turns the upper arm inward, the same arm position that makes the upright row harder on the shoulders, and the side deltoids still work hard without it. Lead with the elbows and keep your palms facing the floor, or turn the thumbs slightly up if the top of the rep feels pinched.

Swinging the weights or leaning too far back can place unnecessary stress on the lower back. Maintaining a neutral spine and engaging the core minimizes the risk. Elbow and wrist discomfort usually comes from using excessive weight, locking the elbows straight, or letting the wrists bend under the dumbbells. Use a lighter weight, keep a slight bend in the elbows, and keep the wrists straight and in line with the forearms.

To regress, use lighter dumbbells, stop the raise just below shoulder height, or sit down for the Dumbbell Seated Lateral Raise, which makes it harder to lean back or use momentum. A Machine Lateral Raise guides the arms along a fixed path. To progress, add weight in small increments, slow the lowering phase, or pause briefly at shoulder height, and try the Cable Lateral Raise, which keeps tension on the side deltoids at the bottom of the movement. Stop the set if you feel a sharp or pinching pain at the top or outside of the shoulder as your arms rise, pain that spreads down the outside of the upper arm, or numbness or tingling in the arm or hand. If shoulder pain lingers after training or comes back every session, take a break from the movement and see a qualified healthcare professional before loading it again.

Overview

Primary Focus: Shoulders
Equipment: Dumbbell
Modality: Strength
Difficulty: Beginner

Alternative Exercises

Frequently Asked Questions

Q: How heavy should the dumbbells be for lateral raises?: Start with light weights (5 to 10 lbs / 2 to 4.5 kg) to maintain proper form and gradually increase as strength improves. If you have to swing your body, lean, or shrug to get the dumbbells to shoulder height, the weight is too heavy.
Q: Can I perform this exercise seated?: Yes, performing lateral raises seated can help minimize body movement and better isolate the delts.
Q: How high should I raise the dumbbells?: Raise them until your arms are about parallel to the floor, with your elbows at roughly shoulder height. Going higher is not dangerous for a healthy shoulder, but past that point the dumbbells put less load on the side delts and more of the work shifts to the upper traps. It is also the range most likely to feel pinched if your shoulder is already irritated, so stop at shoulder height if you notice discomfort there.
Q: Should I lead with my elbows or tilt my thumbs down?: Lead with your elbows, keeping a slight bend that stays fixed, and keep your palms facing the floor or your thumbs tilted slightly up at the top. Tipping the thumbs down as if pouring from a jug turns the upper arm inward, which can narrow the space at the top of the shoulder and is a common reason lateral raises feel pinched.
Q: Do I need lateral raises if I already do overhead presses?: Not always, but they are one of the most direct ways to train the side delts. Overhead presses like the Dumbbell Shoulder Press do work the side delts, but the front delts handle much of the lifting, and bench presses and rows give the side delts relatively little work. Lateral raises are worth adding when you want broader-looking shoulders or more side delt volume than pressing provides.
Q: How many sets and reps should I do?: Aim for 3 to 4 sets of 10 to 20 reps. The light weights this exercise uses make higher reps a practical way to add shoulder work while keeping every rep strict.