Why Does My Pain Keep Coming Back? 5 Reasons Recurring Pain May Not Be So Random

You rest. It feels better.

You get back to your normal workouts, runs, hikes, or favorite activities. Things are going well…until that familiar ache starts creeping back in. Sound familiar?

Recurring pain can be incredibly frustrating, especially when it feels like you’ve already done everything you were “supposed” to do. You stretched. You rested. Maybe you had a massage, used a foam roller, or took a few weeks away from the activity that bothered you. So why does the problem keep coming back?

There usually isn’t one simple explanation for musculoskeletal pain. Pain is complex, and recurring symptoms don’t automatically mean that something is damaged or that you’ve done something wrong.

Sometimes, however, the problem is that the strategy that helped calm your symptoms never fully prepared your body for the demands you wanted to return to.

Here are five things I consider when someone tells me, “It gets better, but it always comes back.”

1. You Treated the Symptoms, but Never Rebuilt Your Capacity

There’s nothing inherently wrong with treatments that help you feel better. Massage, soft tissue work, stretching, activity modification, heat, ice, and other recovery strategies can all have a place depending on the person and the situation. But feeling better and being prepared to perform an activity again aren't necessarily the same thing.

Imagine a runner whose knee starts hurting whenever they increase their mileage. They take two weeks off, their knee feels great, and they immediately return to the same mileage they were running before.

The pain may be gone—but has anything changed about their ability to tolerate the demands of running?

This is where building capacity becomes important. Your muscles, tendons, joints, cardiovascular system, and overall body adapt to the demands placed upon them. Progressive exercise can be used to develop qualities such as strength, endurance, power, and tolerance to activity. Sports-medicine literature similarly describes rehabilitation as a process of rebuilding local tissue and activity-specific capacity rather than simply waiting for symptoms to disappear.

For example, progressive loading is an important component of rehabilitation for many tendinopathies, although the exact way that loading should be progressed varies depending on the condition and individual.

The goal isn't only to make something feel better. The goal is to help your body become better prepared for what you want it to do.

2. Your Activity Increased Faster Than Your Body Could Adapt

One of the most common patterns I see looks something like this:

Pain → rest → feel better → do everything again → pain returns → rest again.

The problem isn't necessarily the activity itself. It may be the jump in demand.

Training places stress on the body, and that's not inherently bad. In fact, appropriate stress is how we create adaptation. Strength training makes us stronger because we progressively challenge our muscles. Running builds running capacity because we progressively expose our bodies to running. Problems can occur when the demands of an activity substantially exceed what we're currently prepared to tolerate.

That change could be:

• Suddenly running more miles

• Increasing weight at the gym

• Adding another workout each week

• Returning to a sport after several months away

• Increasing hiking elevation

• Starting a new Pilates or fitness routine

• Going from a relatively inactive winter to a very active spring

• Returning immediately to your previous activity level after an injury

  
  

This doesn't mean you need to obsessively calculate every minute of exercise or follow a perfect formula. Research on training load and injury is complex, and there isn't one magic number that predicts who will develop pain. Instead, think about progression.

If you've been running two miles comfortably, jumping immediately to six miles asks something very different of your body.

A better question than “Is this activity bad for me?” may be: “Am I currently prepared for this amount of this activity?”

3. You May Be Missing Strength or Mobility That Matters for Your Activity

This one needs an important disclaimer:

Your body does not need to be perfectly symmetrical.

You don't need perfect posture, perfect mobility, or perfect movement to stay healthy.

Finding one tight muscle or one strength difference doesn't automatically explain someone's pain. However, context matters.

The physical demands of a marathon runner are different from those of a recreational weightlifter. A volleyball player has different demands than someone whose primary goal is gardening comfortably. A skier needs different capacities than someone attending Pilates three times per week. Sometimes a limitation becomes relevant because of what you're asking your body to do.

For example, an overhead athlete may need adequate shoulder strength and mobility to repeatedly tolerate high-speed overhead movements. Research examining athletic shoulder injuries has identified factors including strength, range of motion, previous injury, and training load as potentially relevant—although injury is multifactorial and no single measurement perfectly predicts who will get hurt.

This is one reason physical therapy shouldn't simply be a checklist of “normal” measurements. I'm less interested in whether you match an arbitrary definition of perfect movement and more interested in:

Do you have the capacity you need for YOUR activity?

That may mean assessing mobility, strength, balance, endurance, power, coordination, or the actual movement that causes your symptoms.

4. Your Recovery Isn't Keeping Up With Your Training

Exercise is the stimulus. Adaptation happens between those exercise sessions.

Your body doesn't experience your workout in isolation. Your overall workload includes training, work, sleep, stress, other physical activities, and everything else you're asking your body to manage.

That doesn't mean one bad night of sleep is going to cause an injury. In fact, research looking specifically at sleep and sports injuries has produced mixed results. A systematic review of adult athletic populations found insufficient evidence to conclude that poor sleep independently increases musculoskeletal injury risk across athletic groups. Other research in specific athletic populations has found associations between sleep, stress/recovery balance, illness, and injury.

So the message isn't: “You got hurt because you didn't sleep enough.”

It's much more practical: Recovery is one part of the bigger picture.

If you're training harder than usual while sleeping poorly, working long hours, eating inconsistently, and managing significant life stress, you may not respond to training the same way you would under different circumstances.

When symptoms start appearing, looking at the entire week—not just the painful body part—can sometimes reveal useful opportunities for change.

5. You've Been Avoiding the Movement Instead of Rebuilding Tolerance to It

When something hurts, avoiding it makes sense. And sometimes temporary activity modification is absolutely appropriate. The problem is when temporary avoidance becomes the entire rehabilitation plan.

Let's say squatting bothers your knee. You stop squatting. Your knee feels better. Success…right? Maybe.

But what happens when you eventually need to squat again? If your goal is to return to squatting, hiking, running, jumping, lifting, skiing, or another activity, at some point your rehabilitation usually needs to prepare you for the demands of that activity. That doesn't necessarily mean immediately performing the exact movement that hurts at full intensity. Instead, we can often scale the challenge.

A painful deep squat might initially become a shallower squat.

A five-mile run might become a combination of running and walking.

Heavy lifting might become lighter resistance.

Jumping might begin with slower, controlled strength exercises before progressing toward faster movements.

As your tolerance improves, the challenge can gradually increase.

This idea of progressive, individualized loading is commonly incorporated into exercise-based rehabilitation. For example, consensus recommendations for hamstring rehabilitation emphasize progressing toward the specific capacities and demands required by the person's sport rather than relying solely on whether pain has disappeared. Sometimes the goal isn't to permanently avoid the movement that hurts. It's to find an appropriate starting point and build your way back to it.

So, Why Does Your Pain Keep Coming Back?

There isn't one answer that applies to everyone. Recurring pain doesn't automatically mean you've caused more damage, that your body is “out of alignment,” or that you need to stop doing the activities you love.

But if the same problem repeatedly disappears and returns, it may be worth asking a few different questions:

Did I rebuild my capacity—or did I just wait until it stopped hurting?

Did my activity level suddenly increase?

Do I have the strength, mobility, endurance, or power my activity requires?

Has my overall training and recovery balance changed?

Have I gradually rebuilt tolerance to the movement—or have I simply avoided it?

Those questions can tell us much more than simply asking, “Where does it hurt?”

Physical Therapy Should Help You Get Back to What You Love

My goal as a physical therapist isn't simply to get you through today's painful movement. It's to understand what you want your body to be able to do and develop a plan that helps you work toward it.

That may involve modifying an activity temporarily, building strength, improving a meaningful mobility limitation, adjusting your training, gradually reintroducing a movement, or simply helping you understand what is—and isn't—something you need to worry about.

Because ultimately, successful rehab isn't just about getting you out of pain. It's about helping you build the confidence and capacity to get back to living your life.

If you're dealing with a recurring issue that keeps interfering with your workouts, sports, or everyday activities, Kinetix PT & Wellness offers individualized mobile physical therapy throughout the New Hampshire Seacoast and Northern Massachussetts.

Ready to figure out what's keeping you from moving the way you want to? Schedule a discovery call to see if Kinetix PT & Wellness is the right fit for you.

References

Escriche-Escuder A, Casaña J, Cuesta-Vargas AI. Load progression criteria in exercise programmes in lower limb tendinopathy: a systematic review. BMJ Open. 2020;10.

Gabbett TJ, Sancho I, Dingenen B, Willy RW. When progressing training loads, what are the considerations for healthy and injured athletes? British Journal of Sports Medicine. 2021;55:947–948.

Dobrosielski DA, et al. The Association Between Poor Sleep and the Incidence of Sport and Physical Training-Related Injuries in Adult Athletic Populations: A Systematic Review. Sports Medicine. 2021.

Cantón E, Raga J, Peris-Delcampo D. Sleep, Stress, and Recovery as Predictors of Injury Risk in Soccer Players: A Systematic Review. Healthcare. 2026;14(2):236.

Avcı EE, et al. Squat task as an assessment tool for detecting injury risk: A systematic review. Journal of Bodywork and Movement Therapies. 2026;46:476–482.

London International Consensus and Delphi study on hamstring injuries part 3: rehabilitation, running and return to sport. British Journal of Sports Medicine. 2023;57:278–298.