Why Does Your Shoulder Hurt During CrossFit? A Physical Therapist Explains the Common Causes (and What the Research Says)

Why Does Your Shoulder Hurt During CrossFit? A Physical Therapist Explains the Common Causes (and What the Research Says)

If you’ve ever had to swap kipping pull-ups for ring rows, skip a heavy snatch day, or modify handstand push-ups because of a nagging shoulder, you’re not alone.

Maybe you’ve tried resting for a few days, stretching your lats, or rolling out your pecs. The pain settles down—until the next overhead workout brings it right back.

At Ground to Overhead Physical Therapy, we help CrossFit athletes throughout Chapel Hill, Cary, Durham, and the Triangle get back to pain-free training every day. We understand the demands of Olympic lifting, gymnastics, and high-intensity functional fitness because we treat athletes who live and breathe this sport.

One of the biggest questions we hear is:

“Is CrossFit bad for my shoulders?”

The short answer is no—but how you train matters.

Let’s look at what the current research tells us about shoulder pain in CrossFit and, more importantly, what you can do to stay healthy while continuing to train.

How Common Are Shoulder Injuries in CrossFit?

The good news is that CrossFit is not inherently more dangerous than many other recreational and competitive sports. Multiple systematic reviews have found overall injury rates comparable to sports such as Olympic weightlifting, gymnastics, and recreational running when athletes receive appropriate coaching and progress their training appropriately.

However, one body region consistently stands out.

A 2021 systematic review by Rodríguez and colleagues, which analyzed data from more than 12,000 CrossFit participants, found that the shoulder was the most frequently reported injury location, accounting for approximately 26% of all reported injuries, followed by the lower back and knee.

This isn’t surprising when you consider how much overhead work is built into CrossFit training.

Which CrossFit Movements Cause Shoulder Pain?

Shoulder pain rarely comes from one “bad” movement. Instead, it usually develops when tissues are repeatedly exposed to more load than they can currently tolerate.

Research has consistently identified several movements that place the greatest demands on the shoulder, including:

• Snatches

• Clean and jerks

• Push presses

• Overhead squats

• Kipping pull-ups

• Butterfly pull-ups

• Ring muscle-ups

• Handstand push-ups

These movements combine high speed, heavy loads, repetitive volume, and end-range shoulder positions. When mobility, strength, recovery, or technique begin to fall behind training demands, the shoulder can become overloaded.

What Is Actually Happening Inside the Shoulder?

Many athletes assume shoulder pain means they “tore something.”

Fortunately, that is often not the case.

A 2024 MRI study evaluating CrossFit athletes with shoulder pain found that the most common findings included:

• Rotator cuff tendinopathy

• Partial-thickness rotator cuff tears

• Glenoid labral pathology

While structural findings can contribute to symptoms, shoulder pain is rarely caused by imaging findings alone. In many cases, pain develops gradually as repeated training exceeds the shoulder’s current capacity to recover.

As fatigue accumulates during workouts, movement quality may decline, increasing stress on structures such as the rotator cuff and labrum.

The goal isn’t to avoid these movements—it is to prepare your shoulder to tolerate them.

The Biggest Risk Factors You Can Control

The encouraging news is that many of the most important risk factors are modifiable.

1. Previous Shoulder Injuries

One of the strongest predictors of future shoulder pain is having had shoulder pain before.

Many athletes simply rest until symptoms calm down before returning to training. Unfortunately, resting alone doesn’t address the mobility limitations, strength deficits, or movement patterns that contributed to the problem in the first place.

Without addressing those underlying issues, symptoms often return once training intensity increases.

2. Poor Load Management

CrossFit encourages athletes to push themselves—but tissues still need time to adapt.

Rapid increases in training volume, heavier loads, additional accessory work, or extra sessions outside of class can exceed your shoulder’s ability to recover.

Progressive loading is what builds resilient tissue. Sudden spikes in training load often do the opposite.

3. Mobility Without Stability

Many athletes chase more shoulder mobility when their real limitation is shoulder stability.

Adequate thoracic spine mobility, lat flexibility, rotator cuff strength, and scapular control all work together to keep the shoulder centered during overhead movements.

When one link in that chain is weak, the shoulder often compensates.

4. Fatigue and Technique Breakdown

Research suggests athletes training under qualified coaching experience lower injury rates, likely because movement quality and training loads are better managed.

As fatigue builds during high-repetition workouts, even excellent technique can begin to deteriorate.

Small changes in movement mechanics repeated dozens of times can significantly increase stress on the shoulder.

How Physical Therapy Helps CrossFit Shoulder Pain

At Ground to Overhead Physical Therapy, we don’t tell athletes to stop doing CrossFit.

Instead, we identify why your shoulder is becoming overloaded and develop a plan that keeps you training whenever it’s safe to do so.

A comprehensive evaluation may include:

• Assessing shoulder mobility and overhead mechanics

• Evaluating thoracic spine mobility

• Testing rotator cuff strength and endurance

• Assessing scapular control during pressing, pulling, and Olympic lifting

• Identifying programming or recovery factors contributing to symptoms

• Modifying training volume and exercise selection while tissues recover

Our goal is not simply to reduce pain—it is to build a shoulder that is stronger, more resilient, and better prepared for the demands of CrossFit.

CrossFit Shoulder Physical Therapy in Chapel Hill, Cary & Durham

Whether you’re training for your first CrossFit Open, chasing a new snatch PR, or simply want to exercise without shoulder pain, you deserve care from a physical therapist who understands the sport.

At Ground to Overhead Physical Therapy, we specialize in helping:

• CrossFit athletes

• Olympic weightlifters

• Functional fitness athletes

• Hybrid athletes

• Powerlifters

• Runners

• Triathletes

• Active adults who want to stay strong for life

Our treatment plans are designed to help you return to training safely while addressing the root cause of your symptoms—not just temporarily masking the pain.

Ready to Get Back to Pain-Free Training?

Shoulder pain doesn’t have to become your new normal.

The earlier you address the underlying cause, the easier it is to keep a minor irritation from becoming a long-term injury.

If you’re experiencing shoulder pain during snatches, overhead presses, kipping pull-ups, muscle-ups, or any other CrossFit movement, we’re here to help.

Ground to Overhead Physical Therapy proudly serves CrossFit athletes and active adults throughout Chapel Hill, Cary, Durham, and the surrounding Triangle.

Schedule an evaluation today and let’s get you back to doing what you love—moving confidently from ground to overhead.

References

1. Rodríguez MÁ, et al. Injury in CrossFit®: A Systematic Review of Epidemiology and Risk Factors. The Physician and Sportsmedicine. 2021.

2. Summitt RJ, et al. Shoulder Injuries in Individuals Who Participate in CrossFit Training. Sports Health. 2016.

3. Nicolay RW, et al. CrossFit-Related Musculoskeletal Injury: A Systematic Review. 2022.

4. Bernstorff AS, et al. MRI Findings in CrossFit Athletes With Shoulder Pain. 2024.