Dumbbell Lateral Raise
The dumbbell lateral raise lifts two dumbbells out to your sides until your arms reach shoulder height. It isolates the side delts, the part of the shoulder that makes your upper body look wider, and few exercises load them as directly. Clean reps with light dumbbells beat heavy, swung ones.
How to do the dumbbell lateral raise
Stand with your feet hip to shoulder width apart, a dumbbell in each hand at your sides, palms facing your thighs.
Brace your midsection, lean your chest slightly forward and set a soft bend in your elbows.
Raise the dumbbells out to the sides and a little forward, leading with your elbows.
Keep your shoulders down and stop when your upper arms are level with your shoulders.
Hold the top briefly, then lower the dumbbells under control until they are just short of your thighs.
Setup for the dumbbell lateral raise
Choose dumbbells you can raise for the top of your rep range with a still torso. Stand with your feet between hip and shoulder width, knees soft, and let the dumbbells hang at your sides. Tip your chest slightly forward. Your shoulder blades sit at an angle on the rib cage, not flat to the side, so raising the arms a little in front of your body follows the natural line of the shoulder. Pull your shoulders down before the first rep and keep them there.
Breathing and bracing
Breathe in before the rep, keep your midsection braced while the dumbbells rise, and breathe out as you lower them. The brace stops your lower back from arching late in the set, when most people start to swing.
Arm path, elbow bend and hand position
Lead with the elbows: they should reach shoulder height together with your hands or just before them. Fix a soft bend in the elbows at the start and hold that angle to the last rep. In an EMG study with competitive bodybuilders, the side delts worked harder with nearly straight arms than with the elbows bent to 90 degrees, because a straight arm puts the weight further from the shoulder. In the same study, palms facing the floor kept side delt activity at its highest with less trap activity than thumbs down.
Tempo and range of motion
Raise the dumbbells smoothly, pause briefly when your upper arms are level with your shoulders, and lower them at least as slowly as you raised them. Stop the lowering just short of your legs so the side delts stay loaded between reps.
Choosing the weight for lateral raises
Light loads build muscle about as well as heavy ones when sets end close to failure, which suits this lift: you can stay in the higher ranges and keep every rep clean. Taking every set to failure has shown at most a trivial extra benefit for growth, so stopping one rep short is enough.
Muscles worked by the dumbbell lateral raise
- Primary
- Side delts
- Secondary
- Front delts
- Traps
The side delts do most of the work: they lift the arm away from the body through the whole range, and a systematic review ranks lateral raises among the exercises that activate them most. The front delts help, more so when the arms drift forward or the thumbs turn up. The upper traps hold and rotate the shoulder blade and work harder near the top and whenever you shrug.
Common lateral raise mistakes
Swinging the dumbbells up
A hip kick or a lean back lets momentum lift the weight, so the side delts work less. Go lighter.
Shrugging as the weights rise
When your shoulders creep toward your ears, the upper traps take over. Think of pushing the dumbbells out to the walls, not up to the ceiling.
Bending the elbows more and more
A growing bend shortens the lever and makes each rep easier without you noticing. Set a soft bend at the start and keep that angle for the whole set.
Turning the thumbs up
With the thumbs up, the lift becomes part front raise and the front delts take a larger share. Keep your palms facing the floor at the top.
Dropping the weights on the way down
The lowering half trains the side delts too. Lower them under control and stop before the dumbbells rest against your legs.
Lateral raise tips from the Muscla training logic
- Do lateral raises after your presses and rows. Muscla puts isolation exercises at the end of a session, when your shoulders are warm, so it plans no warm-up sets for them.
- End each set with about one rep in reserve. Muscla aims isolation work at one rep in reserve, two if you are new to training.
- Rest 75 seconds between sets when you train for muscle, 90 seconds for strength and 60 seconds for other goals.
- Earn the next dumbbell with reps. When every set reaches the top of your range, go up one step (usually 2 kg or 5 lb) and restart at the bottom; otherwise add one rep. From 6 to 8 kg is a third more weight.
- After three sessions without progress, Muscla lowers the weight by 10 percent and builds back up. After every third 4-week block comes a deload week at 90 percent of the weight with one set fewer.
Dumbbell lateral raise sets and reps by goal
| Goal | Reps | Rest |
|---|---|---|
| Strength | 8–12 | 90 s |
| Muscle | 10–15 → 12–20 | 75 s |
| Lose fat | 10–15 | 60 s |
| Fit | 10–15 | 60 s |
| Comeback | 10–15 | 60 s |
An arrow marks the range for the next 4-week block.
Lateral raises count as isolation in the Muscla training logic: higher rep ranges and shorter rests than presses. For muscle, start at 10–15 reps and move to 12–20 in the next 4-week block.
Lateral raise alternatives
- Cable lateral raise
- Band Front Raise
- Machine Shoulder Press
- Dumbbell Arnold Press
- Barbell Upright Row
- Barbell Thruster
- Barbell Seated Overhead Press
- Cable Rear Delt Row
- Dumbbell seated shoulder press
- Dumbbell standing overhead press
Dumbbell lateral raise questions
How heavy should dumbbell lateral raises be?
Light enough to reach shoulder height on every rep without leaning back or shrugging. That is far lighter than your pressing dumbbells, because the weight sits at the end of a long arm.
Are lateral raises better seated or standing?
Both train the side delts well. Seated takes your hips out of the lift, which makes swinging harder.
How many sets of lateral raises should I do per week?
Count them with your other shoulder work. When you train for muscle, Muscla plans 8–12 hard sets a week for the side and rear delts for beginners, 10–16 for regular lifters and 12–20 for experienced ones. Up to a point, more weekly sets build more muscle.
Do lateral raises make your shoulders wider?
They train the side delts, the part of the shoulder that sits furthest out, so bigger side delts add width. Your frame stays the same; the muscle on top is what training changes.
Should I raise the dumbbells above shoulder height?
You don't need to. Above shoulder level the shoulder blade rotates upward and the traps take a larger share, so stopping with your arms level keeps the work on the side delts.
Thumbs up or thumbs down on lateral raises?
Neither: keep your palms facing the floor at the top. In EMG testing, thumbs up moved work to the front delts, while thumbs down kept the side delts busy but also raised trap activity.
Train it with Muscla
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Sources
- Coratella G, Tornatore G, Longo S, et al. An electromyographic analysis of lateral raise variations and frontal raise in competitive bodybuilders. Int J Environ Res Public Health. 2020;17(17):6015. PubMed
- Rabello R, Bertozzi F, Hauschild de Freitas IL, et al. Activation of the three deltoid muscle portions during common strengthening exercises: a systematic review. J Bodyw Mov Ther. 2024;40:1309-1325. PubMed
- Schoenfeld BJ, Grgic J, Ogborn D, Krieger JW. Strength and hypertrophy adaptations between low- vs. high-load resistance training: a systematic review and meta-analysis. J Strength Cond Res. 2017;31(12):3508-3523. PubMed
- Refalo MC, Helms ER, Trexler ET, et al. Influence of resistance training proximity-to-failure on skeletal muscle hypertrophy: a systematic review with meta-analysis. Sports Med. 2023;53(3):649-665. PubMed
- Schoenfeld BJ, Ogborn D, Krieger JW. Dose-response relationship between weekly resistance training volume and increases in muscle mass: a systematic review and meta-analysis. J Sports Sci. 2017;35(11):1073-1082. PubMed