- Bench pressing primarily trains the pectoralis major, the anterior deltoid, and the triceps – as a coordinated unit, not in isolation.
- The foundation consists of five contact points (head, shoulders, glutes on the bench, both feet on the floor), retracted shoulder blades, and a moderate arch in the lower back.
- A grip width from shoulder-width to slightly wider (approximately 1.5 times shoulder width) is the best compromise for most people between strength and joint protection.
- The most common mistakes are flared elbows (90 degrees to the body), lifting the glutes, and setting down the bar without shoulder blade control.
Bench Press: Technique, Muscles, and Common Mistakes
The bench press is the most important horizontal pressing exercise for the upper body – and also the exercise where most trainees make the biggest technical mistakes. Executed correctly, it builds strength and muscle mass in the chest, shoulders, and triceps; executed poorly, it overloads the shoulder joints. This guide will show you, step by step, which muscles are working, what the ideal execution looks like, and which mistakes you should immediately correct.
If you have already mastered deadlifts and squats, the bench press is the third pillar of the "big three." It adds horizontal pressing to your technical foundation – if needed, you can concurrently read our guides on deadlifts and squats.
Which muscles does the bench press train?
The bench press is a multi-joint compound exercise. Three muscle groups share the main work, acting as a chain:
- Pectoralis major: the primary mover. It brings the upper arm towards the midline of the body (horizontal adduction). A wider grip tends to emphasize the lower, sternal portion.
- Anterior deltoid (front of the shoulder): supports the upward press and stabilizes the shoulder joint – especially active in the lower third of the movement.
- Triceps (musculus triceps brachii): extends the elbow and primarily takes over the upper half of the movement (the "lockout"). A narrow grip shifts more load to the triceps.
The latissimus, rotator cuff, and core muscles also work as stabilizers. This is precisely why the bench press is not just a "chest exercise" but a full-body tension builder while lying down.
Proper execution in five steps
1. Setup and Contact Points
Lie under the barbell so that the bar is at eye level or slightly behind it. Establish five firm contact points: the back of your head, both shoulders, and your glutes remain on the bench, both feet are firmly and flat on the floor. You do not release these points throughout the entire repetition.
2. Retract Shoulder Blades
Pull your shoulder blades back and down, as if you want to slide them into your back pockets. This retraction creates a stable platform, protects the shoulder, and shortens the bar's path. Without this step, the shoulders roll forward – the most common cause of shoulder pain during bench pressing.
3. Grip and Arch
Grip the bar slightly wider than shoulder-width (guideline: 1.3 to 1.5 times shoulder-width). The wrist remains straight over the elbow, the bar rests in the heel of the hand, not in the fingers. A moderate arch (slight hyperextension in the lower back) is desired and safe, as long as the glutes remain on the bench.
4. Lower with Control
Lower the barbell in a controlled manner (about 2 seconds) to your lower chest, approximately at nipple level. Your elbows should point at an angle of about 45 to 75 degrees to your body – not 90 degrees. The bar lightly touches your chest; it is not bounced.
5. Press from Tension
Press the barbell explosively but controlled upwards and slightly back towards your shoulders – the path is a shallow curve, not a vertical line. Exhale in the upper third. At the top, your elbows are extended, and your shoulder blades remain retracted.
Grip Width: What Does Science Say?
Grip width changes which muscle is more heavily stimulated. EMG studies by Atle Hole Saeterbakken's research group show: With a wider grip, triceps activation decreases in trained individuals, while the chest – especially the lower, sternal portion – is emphasized more. A narrow grip shifts more load towards the triceps. An older, much-cited EMG study by Barnett, Kippers, and Turner (1995) also found that the anterior deltoid is less activated with a very narrow grip than with a medium grip width.
In practice, this means: there isn't one "right" grip, but rather one for your goal. A systematic review of bench press variations in competitive athletes (published via the U.S. National Library of Medicine, PMC) confirms that variations are sensibly combined – grip width is a tool, not a dogma.
| Grip Width | Strongest Stimulus | Suitable for |
|---|---|---|
| Narrow (Shoulder-width) | Triceps, upper chest | Triceps focus, lockout strength, shoulder-sensitive athletes |
| Medium (1.5× Shoulder-width) | Balanced: Chest, shoulder, triceps | Most trainees, all-round strength building |
| Wide (Significantly wider than shoulder-width) | Lower, sternal portion of the chest | Chest focus, powerlifting – more stress on the shoulder joint |
Programming the Bench Press: Sets, Reps, Progression
How many sets and repetitions are appropriate depends on your goal. For pure strength building, low repetition numbers (about 3–6) with heavy loads and longer rests of two to three minutes are suitable. For muscle growth (hypertrophy), the focus is on the middle range of about 6 to 12 repetitions with moderate rests. Both ranges work – what's crucial is that you get close enough to your limit and increase over the weeks.
This increase is called progressive overload: you controlledly increase the weight, repetitions, or number of sets once a previous target is cleanly achieved. Three to four working sets of bench press per session is a good framework for most people. A typical setup: two to three warm-up sets with increasing load, then the actual working sets. Those who plan rather than guess make much more predictable progress – our guide to progressive overload shows you how to structure progression.
Common Bench Press Mistakes
- Elbows flared 90 degrees: This maximizes the leverage on the shoulder joint and is the most common cause of discomfort. Keep your elbows closer to your body (45–75 degrees).
- Shoulder blades not fixed: If you let your shoulders roll forward, you lose stability and strength. Retract them before each repetition.
- Glutes lifting off: An extreme arch with the glutes lifting off shortens the range of motion but is not a valid repetition standard in normal training and stresses the lower back.
- Bouncing off the chest: Allowing the barbell to "bounce" off the chest removes tension from the muscle and is risky. Lightly touch the chest, then press with control.
- Going to the limit without assistance: If you are training heavy and alone, always use the safety pins of a power rack or a Smith machine. Safety comes before ego.
Training the Bench Press Safely: The Right Equipment
For heavy bench pressing, you need a stable bench, a well-balanced barbell, and – if you're working without a spotter – adjustable safety pins. A power rack or a Smith machine will catch the barbell in an emergency and make training safe even when alone. If you value guided movement, our comparison of Smith machine versus free barbell will help you make the right decision. The complete selection of barbells, benches, and stations can be found in our Strength Training category.
As an authorized dealer with a manufacturer's warranty and a customer base of over 5,000 satisfied athletes, we are happy to advise you on the right configuration for your gym or home gym – including 0% Klarna financing.
Frequently Asked Questions
How often should I bench press?
For most, once or twice a week is optimal. If you train twice, you can combine a heavy session with a slightly lighter one with higher repetitions. Sufficient recovery between pressing sessions is important.
Why does my shoulder hurt when bench pressing?
In most cases, it is due to excessively flared elbows and a lack of shoulder blade retraction. Pull your shoulder blades together, keep your elbows closer to your body, and check if your grip width is too wide. If the pain persists, have it checked by a doctor.
Is dumbbell or barbell bench pressing better?
Both have their place. The barbell allows for more load and is easier to standardize; dumbbells offer a larger range of motion and train stabilizers more effectively. A combination of both variations is ideal for muscle building.
How much should I be able to bench press?
This is very individual and depends on body weight, training age, and leverage. Instead of focusing on absolute numbers, track your progressive progress: if you consistently manage more weight or more repetitions over weeks, you're doing everything right.
Do I need an arch (hollow back) when bench pressing?
A moderate arch is normal and protects the shoulder, as long as the glutes remain on the bench. Extreme arches are a powerlifting technique and not necessary for general strength training.
Conclusion
The bench press is as effective as it is demanding: those who master the five contact points, shoulder blade retraction, and a controlled range of motion will safely build strength in their chest, shoulders, and triceps. Correct common mistakes – flared elbows, loose shoulders, bouncing the bar – and work with safe equipment. Are you unsure about selecting equipment for your gym or home gym? Contact our team for personalized advice.