Can Strength Training Help With Chronic Pain?

When we think about strength training, we usually think about building muscle, improving performance, or changing body composition. Pain relief probably isn’t the first thing that comes to mind. But when chronic pain has a muscular or myofascial component, strength training can be one of the tools we use to actually change the mechanics contributing to the problem.

A painful muscle isn’t always an injured muscle. In many cases, pain can accompany tissue that has adapted to spending too much time in a shortened position. Over time, this can alter length-tension relationships around a joint and change how force is managed during movement.

This is where the way we strength train becomes important. By being intentional about what we load, where we load it, and through which ranges, we can begin addressing the mechanics that may be contributing to the pain in the first place.

A Tight Muscle Is a Shortened Muscle

In my previous article, Is a Tight Muscle Really a Weak Muscle?, I broke down the relationship between muscular tightness and weakness. When assessment shows that a muscle is limiting range of motion because it is being held short, we’re dealing with an altered length-tension relationship.

If one side of a joint is chronically shortened, the opposing musculature is typically being held relatively long. The shortened side has become the dominant force in that relationship, influencing joint position and changing where both sides are able to produce force most effectively.

Stretching can temporarily reduce tension and create more range, but it doesn’t necessarily change the imbalance maintaining that relationship. To create a more lasting change, we need to address what each side of the joint can actually do within that range.

Using Strength to Restore Length-Tension Relationships

Once we understand which side of the relationship is short and which is long, we can get much more intentional with strength training.

For the shortened muscle, the goal is to progressively load it in its lengthened position. Rather than simply stretching the tissue, we’re asking it to produce force as it moves into and controls greater length. This builds strength in the range we’re trying to restore.

On the opposite side, we can emphasize the shortened position. If that musculature has been held long, training it at the other end of its range improves its ability to produce force there and contribute more effectively to movement.

Now we’re no longer just creating temporary range. We’re developing the strength and control needed to actually use it.

Why This Can Matter for Chronic Pain

Altered length-tension relationships don’t just affect strength. They can influence joint position, movement mechanics, and how force is distributed through the surrounding tissues.

Over time, certain muscles may consistently take on more work while others contribute less effectively. This can alter how stress is distributed across the system, potentially leaving some tissues repeatedly overloaded or irritated even in the absence of a new injury.

When pain has a mechanical component, identifying and addressing these relationships gives us an opportunity to change how the body manages force rather than focusing exclusively on the site of pain.

Strength Training for Pain Isn’t Just “Get Stronger”

When chronic pain has a muscular or mechanical component, simply adding resistance isn’t enough. Exercise selection matters, but so do joint position, range of motion, and where within that range a muscle is being asked to produce force.

The goal is to use strength training strategically: restore strength where it has been lost, improve control through underused ranges, and improve how muscles contribute around the joint. As those relationships change, movement can become more efficient and irritated tissues may no longer have to manage the same demands in the same way.

Strength training can absolutely help with chronic pain. The difference is in understanding what needs to get stronger, where it needs to get stronger, and why.

Want to Learn More

📖 Read this next: Is a Tight Muscle Really a Weak Muscle?

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