Training the shoulders
The shoulders give width to the upper body and frame the whole physique. The deltoid has three heads — front, side and rear — that must be trained separately for round, complete shoulders. It is also a fragile joint that demands good technique.
In this guideexpand_more
The muscles in this group
The deltoid raises the arm to the front, side and back through its three heads (anterior, lateral, posterior). It is the muscle of "broad" shoulders and stabilises almost every arm movement.
Pressing and raises: the two pillars
The overhead press (barbell or dumbbells, standing or seated) is the base movement: it loads heavy and mainly works the front and side heads. It is the best builder of shoulder strength and mass.
Lateral raises isolate the side head, the one that gives width. Often underdeveloped, it responds well to high volume of light, clean sets. Do not forget the rear head (reverse fly, face pull), the most neglected, essential for balance and posture.
Protecting a fragile joint
The shoulder is the most mobile joint in the body, hence the most vulnerable. Always warm it up before loading, especially with rotations and face pulls. Avoid lowering the bar behind the neck when pressing, a risky position for little benefit.
If pain appears, lighten up and favor dumbbells, which let the joint choose its natural path. Regular work of the rear head and rotator cuff prevents most shoulder issues.
The rear head, in detail
The rear deltoid is the most often neglected head, since it is not visible from the front nor in most classic exercises. Yet it stabilizes the shoulder blade during every pull and visually balances the shoulder when viewed from the side or back — a detail that often makes the difference between a shoulder that looks round and one that only looks wide from the front.
The reverse fly (cable, dumbbells bent forward, or machine) and the face pull are the two reference movements. Train them with generous volume (12 to 20 reps), light load and strict execution: this small head responds poorly to heavy loads and momentum, but very well to clean, frequent reps.
Programming shoulders without overloading them
The shoulders are already heavily worked by bench pressing and dips (front head) and, to a lesser extent, by pulling movements (rear head). A dedicated shoulder session therefore does not need to redevelop everything: focus it on the overhead press and raises, slightly trimming volume if you already have a big chest or back session in the same week.
One to two rest days between the shoulder session and a horizontal pressing session (chest) limits cumulative fatigue on the joint. If persistent discomfort shows up despite a reasonable volume, it is often a signal to temporarily reduce load rather than add even more sets.
Shoulder-specific mobility and warm-up
The shoulder depends on good shoulder-blade mobility and rotator cuff function to move without a painful pinch under the acromion. Before loading, a few minutes of light banded external rotations, shoulder-blade mobilization (circles, controlled shrugs) and light face pulls prepare the joint far better than a simple general body warm-up.
If you feel a sticking point or discomfort at a specific angle during warm-up, note it and temporarily avoid that angle under heavy load that day rather than pushing through pain. The rotator cuff, small but essential for stability, deserves dedicated strengthening (light external rotations, 2-3 times a week) even without pain.
Exercises for this group
Frequently asked questions
How to get wider shoulders?expand_more
Width comes mainly from the side head of the deltoid. Prioritize lateral raises with high volume (several sets of 12 to 20 clean reps) in addition to pressing. Consistency on this often-neglected movement makes the difference over months.
Is overhead pressing enough?expand_more
Not on its own: pressing mainly works the front and side of the shoulder, but little of the rear. Add lateral raises and a rear-head movement (reverse fly, face pull) for balanced shoulders and healthy posture.
Why do my shoulders hurt during training?expand_more
Most often due to insufficient warm-up, too wide a bar path on the bench press, or an imbalance between the front (overdeveloped) and rear of the shoulder. Strengthen the rear head, warm up and review your technique before loading heavy.
Can I train shoulders right after a chest or back session?expand_more
It is possible but not ideal: the front head is already fatigued after a chest session, and the rear head after a back session. If your schedule requires it, reduce shoulder volume that day and prioritize the heads least worked by the previous session.
Light or heavy raises for the shoulders?expand_more
Light, in the vast majority of cases. Raises (lateral, reverse fly) isolate a small, fragile joint: too heavy a load forces you to cheat with momentum and a shoulder shrug, which removes work from the deltoid and shifts it onto the trap instead.
Is the standing overhead press better than seated?expand_more
Standing adds trunk bracing and overall stability work, but lets you load a bit less. Seated, the backrest stabilizes the body and lets you push heavier while isolating the shoulder better. Both are valid: alternate between them depending on whether you want overall strength or isolation.
Should I strengthen the rotator cuff even without pain?expand_more
Yes, as prevention: two to three light sets of banded external rotations, once or twice a week, are enough. It is a minimal time investment that clearly reduces injury risk on a joint as heavily used as the shoulder in upper-body training.
Should the behind-the-neck press be avoided?expand_more
For most lifters, yes: the position demands exceptional shoulder mobility and raises the risk of subacromial pinching for marginal benefit over pressing in front. Reserve it, if you insist, for very light load and mobility already tested pain-free — otherwise, pressing in front remains just as effective and far safer.
Should I train shoulders for better posture?expand_more
Yes, particularly the rear head: regularly strengthening the rear deltoid and the muscles that retract the shoulder blades counteracts the forward slump caused by long hours sitting. It is one of the most effective levers, along with the back, to straighten a slumped posture without any special intervention.
Put it into practice
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