Shoulders that look wider come from building the deltoids, especially the middle portion on the outside of the shoulder. The rear deltoids also help create a fuller, more balanced shape, while the front deltoids work hard during pressing exercises. Free weights let you train these areas with a small selection of practical movements.
No exercise can change your bone structure, and shoulder width is influenced by more than muscle size. Still, consistent resistance training can increase muscle size over time. The exercises below focus on the different portions of the deltoids, with extra attention to movements that raise the arm out to the side.
Research comparing shoulder exercises has found that lateral raises and shoulder presses produce substantial activity in the middle deltoid. That research measures muscle activity during exercise, however, rather than proving that one movement produces the most long term growth.
What Makes Shoulders Look Wider?
The deltoid has three portions: the anterior, or front, portion; the middle portion; and the posterior, or rear, portion. These portions contribute to different arm movements, so a shoulder program that includes only presses can leave some areas undertrained. Raising the arm out to the side places more emphasis on the middle deltoid, while moving the upper arm backward can involve the rear deltoid.
For a wider appearance, give side raises a prominent place in your routine. Presses remain useful because they let you train with heavier loads and involve the front deltoids, middle deltoids, and triceps. Rear delt raises add work for the back of the shoulder. A balanced plan can therefore build the shoulder as a whole instead of relying on one exercise.
3 Best Back Exercises for Beginners in The Gym
The best exercise is one you can perform with controlled technique, a comfortable range of motion, and a load that challenges the target muscles. Surface electromyography studies can help compare muscle activity during a movement, but they do not directly measure muscle growth. Use them as one source of information when choosing exercises, not as a promise that a particular movement will deliver a specific result.
1. Dumbbell Overhead Press
How to do it
Stand with your feet about hip width apart, or sit upright on a bench with your feet planted. Hold a dumbbell in each hand at shoulder height, with your palms facing forward or turned slightly inward. Brace your midsection, keep your ribs from flaring, and press the weights overhead until your arms are nearly straight. Lower the dumbbells under control to the starting position.
Use a weight that lets you keep your torso steady. If you need to lean back sharply or bounce the dumbbells to finish a repetition, reduce the load. A seated version can make it easier to control body movement, while a standing version asks more of your trunk muscles. Choose the version that lets you press comfortably and repeat each rep with consistent form.
Why it belongs in a shoulder routine
The overhead press is a practical compound lift that trains the shoulders along with the triceps. In a study of trained men, a shoulder press showed greater anterior deltoid activity than the other exercises tested. The press also produced substantial middle deltoid activity, although the lateral raise had the higher middle deltoid reading in that comparison.
Treat the overhead press as the heavier foundation of your workout, rather than as the only movement you need. It can build pressing strength and shoulder muscle, but it does not provide the same direct side raising pattern as a lateral raise. Try three or four sets of six to twelve repetitions, leaving enough energy to keep each repetition controlled.
2. Dumbbell Lateral Raise
How to do it
Stand tall with a dumbbell in each hand and your arms relaxed by your sides. Keep a slight bend in your elbows, then raise your arms out and slightly forward until your hands reach around shoulder height. Lower the weights slowly. Keep your wrists relaxed and avoid shrugging your shoulders toward your ears as you lift.
You do not need to swing heavy dumbbells to make this exercise effective. A lighter load usually makes it easier to keep the movement smooth and place effort on the shoulder muscles. Stop the upward movement at a height you can control without pain or excessive shrugging. Try two to four sets of ten to twenty repetitions.
Why it belongs in a shoulder routine
The lateral raise directly trains the movement pattern most associated with the middle deltoid. A study comparing a lateral raise, shoulder press, bench press, and dumbbell fly found high middle deltoid activity during both the lateral raise and shoulder press. A later systematic review of deltoid exercise studies also found that shoulder abduction exercises, including lateral raise variations, produced high middle deltoid activity.
There is also direct training research on the dumbbell lateral raise. In an eight week study with resistance trained participants, dumbbell and cable lateral raises both increased lateral deltoid thickness, with no clear advantage for one method over the other. That study does not prove that every person will get the same result, but it supports the dumbbell raise as a reasonable choice for building the side delts.
3. Leaning Dumbbell Lateral Raise
How to do it
Stand beside a sturdy post or rack and hold it with one hand for support. Lean your body slightly away from the post while keeping your feet planted. Hold a light dumbbell in your free hand and raise that arm out to the side with a small bend in the elbow. Lower it with control, then repeat on the other side.
The leaning position changes the feel of the raise and may make the lower part of the motion more challenging. It does not automatically make the exercise better than a standard lateral raise, and direct long term research comparing the two variations is limited. Think of it as another way to train the same general movement, especially if it feels comfortable and helps you focus on controlled repetitions.
Use a lighter dumbbell than you might use for a press. Keep your torso still and avoid twisting to lift the weight. Try two or three sets of twelve to twenty repetitions per side. If you feel shoulder pain, shorten the range or choose the standard lateral raise instead.
4. Bent Over Dumbbell Rear Delt Raise
How to do it
Hold a dumbbell in each hand and hinge at your hips until your torso is angled forward. Keep your back steady, let your arms hang beneath your shoulders, and maintain a slight bend in your elbows. Raise your arms out to the sides until they are close to shoulder height, then lower the weights slowly.
The movement should come from your shoulders rather than from a forceful swing of your torso. Use a load that lets you pause briefly at the top without shrugging. If holding the bent over position becomes the limiting factor, rest your chest against an inclined bench and perform the same arm movement with support.
Why it belongs in a shoulder routine
A rear delt raise trains a part of the shoulder that receives less direct work from many pressing focused routines. Raising the upper arms out and back places the rear deltoids in a useful role, alongside muscles in the upper back. A systematic review of deltoid exercise studies found that exercises involving horizontal arm movement can recruit the rear deltoids, though its highest activity results were reported for some pulling exercises rather than this exact dumbbell variation.
This exercise is included for balanced shoulder development, not because research proves it is the single best rear delt builder. Use two or three sets of twelve to twenty repetitions, and focus on smooth movement. If your lower back tires before your shoulders, use the chest supported version.
5. Dumbbell Upright Row
How to do it
Stand with a dumbbell in each hand, holding them in front of your thighs with your palms facing your body. Keep the weights close to your torso as you bend your elbows and lift them toward your upper chest. Stop when the movement remains comfortable, then lower the dumbbells slowly.
Keep the lift controlled and avoid forcing your elbows far above shoulder height. If the movement feels uncomfortable, change your grip, use a smaller range, or select another exercise from this list. The upright row is optional, since lateral raises already give the middle deltoids direct attention.
Why it belongs in a shoulder routine
The upright row combines shoulder elevation with elbow bending and can train the deltoids and upper trapezius. It offers another free weight option for people who find it comfortable, but evidence comparing its long term shoulder growth effects with lateral raises is limited. For that reason, treat it as a variation rather than a required exercise. Try two or three sets of eight to fifteen repetitions, using a load you can control throughout the movement.
How to Put the Exercises Together
You do not need to perform all five movements in every workout. Start with the overhead press if you want to prioritize pressing strength, then add a lateral raise and a rear delt raise. The leaning lateral raise can replace the standard version for a training block, while the upright row can be included if it feels good and fits your goals.
A simple session could include three sets of overhead presses, three sets of dumbbell lateral raises, and three sets of bent over rear delt raises. Perform the presses for six to twelve repetitions and the raises for ten to twenty repetitions. This is a starting point, not a rule that every lifter must follow. Resistance training research supports using multiple sets to build muscle, while the exact best weekly volume can differ between people.
Train shoulders in a way that gives you time to recover between demanding sessions. A meta analysis reported better hypertrophy outcomes when muscle groups were trained twice per week compared with once per week in the volume matched comparisons it reviewed. That does not mean that everyone needs two shoulder workouts, but splitting weekly work across sessions can help some people perform more quality sets. Increase the challenge gradually by adding repetitions or a small amount of weight while keeping your form consistent.
The key is to train the shoulder portions with enough effort and repeat that work consistently. Use presses to build overall shoulder strength, prioritize lateral raises for direct middle deltoid work, and include rear delt raises for the back of the shoulder. Free weights provide plenty of options to do that without making your routine complicated.
Key Takeaways
| Focus | Practical takeaway |
|---|---|
| Middle deltoids | Use lateral raises as a main movement for direct side shoulder work. |
| Overall shoulder strength | Include a dumbbell overhead press if it feels comfortable and suits your training. |
| Rear deltoids | Add bent over rear delt raises to complement pressing and side raises. |
| Exercise choice | Choose movements you can control through a comfortable range of motion. |
| Progress | Build gradually with repeatable technique, challenging sets, and consistent training. |
References
- Campos, Y.A.C., Vianna, J.M., Guimarães, M.P., Oliveira, J.L.D., Hernández-Mosqueira, C., da Silva, S.F. and Marchetti, P.H. (2020) ‘Different shoulder exercises affect the activation of deltoid portions in resistance-trained individuals’, Journal of Human Kinetics, 75, pp. 5–14.
- Currier, B.S., McLeod, J.C., Banfield, L., Beyene, J., Welton, N.J., D’Souza, A.C., Keogh, J.A.J., Lin, L., Coletta, G., Yang, A., Colenso-Semple, L., Lau, K.J., Verboom, A. and Phillips, S.M. (2023) ‘Resistance training prescription for muscle strength and hypertrophy in healthy adults: a systematic review and Bayesian network meta-analysis’, British Journal of Sports Medicine, 57(18), pp. 1211–1220.
- Larsen, S., Wolf, M., Schoenfeld, B.J., Sandberg, N.Ø., Fredriksen, A.B., Kristiansen, B.S., van den Tillaar, R., Swinton, P.A. and Falch, H.N. (2025) ‘Dumbbell versus cable lateral raises for lateral deltoid hypertrophy: an experimental study’, Frontiers in Physiology, 16, article 1611468.
- Rabello, R., Bertozzi, F., de Freitas, I.L.H., Molinari, T., Roncada, C., Sforza, C., Rodrigues, R. and Tiggemann, C.L. (2024) ‘Activation of the three deltoid muscle portions during common strengthening exercises: a systematic review’, Journal of Bodywork and Movement Therapies, 40, pp. 1309–1325.
- Schoenfeld, B.J., Ogborn, D. and Krieger, J.W. (2016) ‘Effects of resistance training frequency on measures of muscle hypertrophy: a systematic review and meta-analysis’, Sports Medicine, 46(11), pp. 1689–1697.
- Schoenfeld, B.J., Ogborn, D. and Krieger, J.W. (2017) ‘Dose-response relationship between weekly resistance training volume and increases in muscle mass: a systematic review and meta-analysis’, Journal of Sports Sciences, 35(11), pp. 1073–1082.
