Bench Press Shoulder Pain: Causes, Fixes, and Safe Return to Training

Bench Press Shoulder Pain: Causes, Fixes, and Safe Return to Training

Shoulder pain during the bench press is one of the most common complaints in strength training. It affects recreational lifters and competitive powerlifters alike, and it is frequently misattributed to the bench press itself rather than to the specific technique errors that cause it. The bench press is a safe exercise when performed with correct technique — shoulder pain is a signal that something in the technique needs to change.

The Anatomy of Bench Press Shoulder Pain

The shoulder is a highly mobile joint with a relatively small contact area between the humerus (upper arm bone) and the glenoid (shoulder socket). This mobility comes at the cost of stability — the shoulder relies heavily on the rotator cuff muscles and the position of the scapula (shoulder blade) to maintain joint integrity during pressing movements.

When bench press technique places the shoulder in a mechanically disadvantaged position — excessive internal rotation, insufficient scapular retraction, or an incorrect bar path — the rotator cuff and the structures of the shoulder joint are placed under abnormal stress, causing pain.

Cause 1: Grip Too Wide

A grip wider than approximately 1.5x shoulder width places the shoulder in excessive horizontal abduction at the bottom of the press. This position internally rotates the humerus and compresses the structures of the anterior shoulder, causing anterior shoulder pain.

How to identify it: Measure your grip width. If the index fingers are more than 1.5x shoulder width apart, the grip is too wide.

The fix: Narrow the grip by 2–3 cm at a time until the shoulder pain resolves. Most lifters find their optimal grip width is 1.2–1.5x shoulder width. A narrower grip also reduces the range of motion, which may feel less effective but is safer for the shoulder.

Cause 2: Bar Path Too High (Toward the Neck)

A bar path that travels toward the upper chest or neck places the shoulder in a position of excessive horizontal abduction at the bottom of the press, similar to a grip that is too wide.

How to identify it: Record your bench press from the side. The bar should touch the lower chest (approximately at the nipple line) at the bottom of the press. If the bar touches the upper chest or is descending toward the neck, the bar path is too high.

The fix: Consciously lower the bar path by tucking the elbows slightly and allowing the bar to travel toward the lower chest. The bar path should be a slight arc — starting above the lower chest and finishing above the mid-chest at lockout.

Cause 3: Insufficient Scapular Retraction

The scapulae (shoulder blades) should be retracted and depressed (pulled together and down) throughout the bench press. This position creates a stable base for the shoulder joint and reduces the internal rotation that causes anterior shoulder pain.

How to identify it: Record your bench press from behind or ask a training partner to check. The shoulder blades should be visibly squeezed together and pulled down toward the hips throughout the set. If the shoulder blades are flat against the bench or moving freely, retraction is insufficient.

The fix — Scapular Retraction Drill: Before every bench press set, perform 10 scapular retractions — squeeze the shoulder blades together and hold for 2 seconds, then release. This activates the muscles responsible for scapular retraction and trains the position. Maintain this retraction throughout the set.

Cause 4: Elbow Flare

Elbow flare — where the elbows point outward at 90 degrees to the torso — places the shoulder in maximum horizontal abduction and is the most aggressive position for anterior shoulder impingement.

How to identify it: Record your bench press from above. The elbows should be at approximately 45–75 degrees from the torso, not 90 degrees. If the elbows are pointing directly outward, they are flaring.

The fix: Tuck the elbows toward the torso during the descent. The exact angle depends on grip width and individual anatomy, but 45–75 degrees is the safe range for most lifters.

Cause 5: Shoulder Impingement from Overhead Work

If shoulder pain during bench press is accompanied by pain during overhead pressing or reaching, shoulder impingement may be present. Impingement occurs when the rotator cuff tendons are compressed between the humerus and the acromion (a bony projection of the shoulder blade).

The fix: Reduce or temporarily eliminate overhead pressing. Perform rotator cuff strengthening exercises (external rotation with a band, face pulls) to strengthen the muscles that depress the humeral head and prevent impingement. Consult a physiotherapist if pain persists.

Safe Return-to-Training Protocol

If bench press shoulder pain is significant, follow this protocol:

Week 1–2: Replace barbell bench press with dumbbell bench press (dumbbells allow the wrists to rotate naturally, reducing shoulder stress). Reduce load by 30–40%.

Week 3–4: Return to barbell bench press with corrected technique (narrower grip, lower bar path, scapular retraction, elbows tucked). Start at 50% of previous load.

Week 5–8: Gradually increase load by 5% per week while monitoring for pain. If pain returns, reduce load and reassess technique.

Using AI Analysis to Identify Your Bench Press Technique Error

SportsReflector's pose analysis measures grip width, bar path trajectory, elbow angle, and scapular position in real time during bench press. The app identifies which specific technique error is causing your shoulder pain and provides targeted cues to correct it.

References

[1] Shoulder Biomechanics During Bench Press. Journal of Strength and Conditioning Research, 2020. [2] Effect of Grip Width on Shoulder Joint Stress in Bench Press. Journal of Applied Biomechanics. [3] Scapular Retraction and Shoulder Impingement in Pressing Movements. Physical Therapy in Sport.