Strength Training for Chronic Low Back Pain: Is It Better Than Core Exercises Alone?
Low back pain is something nearly everyone experiences at some point in life. In fact, research estimates that up to 80% of adults will deal with low back pain, making it one of the leading causes of disability worldwide.
When back pain becomes chronic, many people wonder:
"Should I just strengthen my core?"
Or...
"Can I still lift weights?"
A recent randomized controlled trial suggests the answer may surprise you.
The Study
Researchers followed adults with chronic low back pain for 12 weeks.
Everyone participated in a weekly rehabilitation exercise class. However, half of the participants also completed one additional 45-minute whole-body strength training workout each week using resistance machines.
The researchers wanted to know if adding full-body strength training would improve:
- Pain
- Strength
- Function
- Pain sensitivity
compared to rehabilitation exercise alone.
The Results
Both groups reported improvements in pain over time.
But the group performing whole-body strength training experienced several additional benefits.
They demonstrated:
- Increased trunk (core) strength
- Reduced sensitivity to pressure over the low back
- Continued pain improvements one month after the program ended
Perhaps most importantly, the researchers found that stronger trunk muscles were associated with lower pain sensitivity.
What Does "Pain Sensitivity" Mean?
Pain isn't always about damaged tissue.
When someone has chronic low back pain, the nervous system can become more sensitive over time.
Think of it like a car alarm that's become overly sensitive.
Instead of only going off when someone hits the car, it starts sounding because of rain or wind.
The same thing can happen with chronic pain.
Normal movement begins to feel painful even though the tissues themselves may be healthy.
The study found that whole-body strength training helped decrease this sensitivity, suggesting it may positively influence how the nervous system processes pain—not just strengthen muscles.
Why Whole-Body Strength Matters
Many rehabilitation programs focus almost entirely on "core exercises."
While core stability remains important, your spine doesn't function in isolation.
Everyday activities require your entire body to work together.
Whether you're:
- Carrying groceries
- Lifting your child
- Playing golf
- Gardening
- Returning to the gym
- Working a physically demanding job
your hips, legs, shoulders, and trunk all contribute to protecting your back.
Improving total-body strength allows these muscles to share the workload, reducing unnecessary stress on the lumbar spine.
Does This Mean Heavy Lifting Is Safe?
For many people—yes.
When appropriately prescribed and progressed, resistance training is considered one of the recommended treatments for chronic low back pain.
That doesn't mean jumping into maximal deadlifts on day one.
Instead, it means gradually building strength with exercises matched to your current abilities and goals.
Movement Is Medicine
One of the biggest messages from this study is that avoiding movement isn't usually the answer.
Many people with chronic back pain become fearful of bending, lifting, or exercising.
Unfortunately, prolonged inactivity often leads to:
- Muscle weakness
- Deconditioning
- Reduced confidence
- Increased stiffness
- Greater pain over time
A structured strengthening program helps reverse that cycle.
How Occupational Therapy Can Help
At Thrive Sports & Spine, occupational therapy isn't just about reducing pain—it's about helping you return to the activities that matter most.
Treatment may include:
- Progressive strengthening
- Functional lifting mechanics
- Core stabilization
- Mobility exercises
- Balance training
- Manual therapy
- Activity modification
- Home exercise progression
Rather than avoiding movement, we help you build confidence so you can safely return to work, exercise, hobbies, and everyday life.
Chiropractic Care Can Complement Strength Training
Joint stiffness can contribute to altered movement patterns and muscle compensation.
Our chiropractors work alongside occupational therapy to restore mobility where needed, allowing strengthening exercises to be performed more comfortably and efficiently.
Acupuncture May Help Manage Chronic Pain
For patients whose pain limits exercise participation, acupuncture may help:
- Reduce pain
- Decrease muscle tension
- Improve relaxation
- Support recovery between therapy sessions
This can make it easier to stay active while progressing through rehabilitation.
The Takeaway
For years, chronic low back pain was often treated with rest.
Today's research tells a different story.
This study suggests that adding whole-body strength training to a rehabilitation program can improve trunk strength and reduce pain sensitivity, while also supporting meaningful improvements in chronic low back pain.
The goal isn't simply having a "strong core."
It's building a stronger, more resilient body that allows you to move with confidence again.
Ready to Get Stronger?
If chronic low back pain has been keeping you from doing the things you enjoy, our multidisciplinary team can help.
We'll evaluate how you move, identify the factors contributing to your pain, and create a personalized rehabilitation plan designed to help you get back to living—not just managing your symptoms.
Reference
Tomschi, F., Meder, K., & Hilberg, T. (2026). Effects of Whole-Body Strength Training on Pain and Strength in Chronic Low Back Pain: A Randomized Controlled Trial.












