IT Band Syndrome in Runners: Causes and Rehab

Running is a great way to stay active, but repetitive stress can sometimes lead to pain and injury. One common running injury is IT Band Syndrome, which typically causes pain on the outside of the knee. It is especially common in runners who have recently increased their mileage, intensity, or training frequency.
The good news is that most runners with IT Band Syndrome can successfully return to running with the right rehabilitation approach.
At Physical Edge Physiotherapy in Oakville, Ontario, we help runners understand the cause of their pain, address contributing factors, and develop a personalized rehabilitation plan to safely get them back to running.
What Is IT Band Syndrome?
The iliotibial band, commonly called the IT band, is a strong band of connective tissue that runs along the outside of your thigh, from your hip toward your knee.
The IT band helps provide stability to the hip and knee during activities such as walking and running.
IT Band Syndrome is an overuse injury that commonly causes pain on the outside of the knee. Runners may notice that the pain starts during a run and becomes worse as they continue. In some cases, the pain may also be noticeable when walking downstairs or sitting for long periods.
Common symptoms include:
Pain on the outside of the knee
Pain that worsens during running
Pain when running downhill
Pain during repetitive knee bending and straightening
Tenderness around the outside of the knee
A snapping or clicking sensation in some cases
What Causes IT Band Syndrome in Runners?
IT Band Syndrome is generally considered an overuse injury. This means the body is repeatedly exposed to stress without enough time to adapt and recover.
Several factors may contribute to the development of IT Band Syndrome.
Sudden Increases in Training
One of the most common contributors is increasing your running workload too quickly.
This could include:
Increasing your weekly mileage
Adding more running days
Suddenly introducing hill training
Increasing your running speed
Returning to running after a long break
Your body needs time to adapt to changes in training. Gradually increasing your running volume can help reduce excessive stress on your tissues.
Hip and Leg Strength
Weakness or reduced endurance in the muscles around the hips can affect how your leg moves while running.
The glute muscles, in particular, play an important role in controlling the position of your hip and knee.
If these muscles aren't able to adequately control your leg during running, it may contribute to increased stress around the knee.
Running Mechanics
Every runner has a unique running style. Factors such as stride length, cadence, hip control, and foot mechanics can influence how forces are distributed throughout the body.
There is no single "perfect" running technique, but certain movement patterns may contribute to symptoms in some runners.
A physiotherapy assessment can help identify whether your running mechanics may be contributing to your pain.
Hills and Uneven Surfaces
Running downhill and on uneven surfaces can place additional demands on the muscles and joints of the lower body.
If you suddenly add a lot of hill running to your training program, your body may not have enough time to adapt.
How Is IT Band Syndrome Treated?
Treatment for IT Band Syndrome typically involves addressing the factors that may be contributing to your symptoms rather than simply treating the painful area.
Your rehabilitation program may include a combination of activity modification, strength exercises, mobility work, and a gradual return to running.
IT Band Syndrome Rehab Exercises
The right exercises will depend on your individual symptoms and strength. Some exercises that may be included in a rehabilitation program are:
1. Side-Lying Hip Abduction
Lie on your side with your legs straight. Slowly lift your top leg while keeping your hips stacked.
This exercise targets the muscles on the outside of your hip and can help improve hip strength and control.
2. Glute Bridges
Lie on your back with your knees bent and feet flat on the floor.
Push through your feet and lift your hips toward the ceiling. Focus on using your glutes and maintaining control throughout the movement.
As you get stronger, you may progress to single-leg bridges.
3. Clamshells
Lie on your side with your knees bent. Keep your feet together while lifting your top knee.
This exercise targets the muscles around the hip and can be progressed by adding a resistance band.
4. Lateral Band Walks
Place a resistance band around your thighs or ankles and take controlled steps sideways.
Keep your knees slightly bent and maintain tension in the band throughout the movement.
This exercise can help improve hip strength and endurance.
5. Single-Leg Squats
Once your strength improves, single-leg exercises can help challenge your hip, knee, and ankle control.
Focus on maintaining good control of your knee and pelvis as you lower and raise your body.
Your physiotherapist can help determine whether this exercise is appropriate for your stage of recovery.
Should You Stop Running?
Not every runner with IT Band Syndrome needs to stop running completely.
Depending on your symptoms, you may be able to continue running while temporarily modifying your training.
Your physiotherapist may recommend:
Reducing your running distance
Running at a slower pace
Taking additional rest days
Temporarily avoiding hills
Reducing your weekly running volume
Using cross-training to maintain fitness
The goal is to find a level of activity that your body can tolerate while allowing you to continue progressing through rehabilitation.
If running consistently causes your symptoms to worsen, a temporary break from running may be recommended.
How Can Physiotherapy Help With IT Band Syndrome?
Physiotherapy can help you identify why your symptoms developed and create a plan to address the factors contributing to your pain.
At Physical Edge Physiotherapy, your physiotherapist may assess:
Hip and leg strength
Hip and knee mobility
Balance and single-leg control
Running mechanics
Training volume and recent changes
Lower-body movement patterns
Your treatment plan may include targeted strengthening exercises, mobility work, education about training loads, and a gradual return-to-running program.
The goal isn't just to reduce your pain. It's to help you build the strength and capacity needed to return to running and reduce the risk of the problem coming back.
How to Return to Running After IT Band Syndrome
Returning to running should be gradual.
A return-to-running program may begin with short, easy runs and gradually increase your distance and intensity as your symptoms allow.
You may start with:
Walking without pain
Walk-jog intervals
Short continuous runs
Gradually increasing running distance
Reintroducing speed work
Returning to hills
Returning to your normal training program
The timeline will be different for every runner.
A good rule is to pay attention to how your symptoms respond during and after your run. If your pain is consistently getting worse or lasting longer after activity, it may be a sign that your training progression needs to be adjusted.
Preventing IT Band Syndrome
While it isn't always possible to prevent running injuries, there are several strategies that may help reduce your risk.
Consider:
Increasing your running volume gradually
Including strength training in your routine
Allowing adequate recovery between harder sessions
Avoiding sudden increases in hill or speed work
Addressing previous injuries
Varying your training when appropriate
Getting assessed if pain repeatedly returns
Remember that there is no single exercise or stretch that will prevent every running injury. A comprehensive approach that considers your training, strength, mobility, and running demands is often the most effective strategy.
When Should You See a Physiotherapist?
If you have persistent pain on the outside of your knee that is affecting your ability to run, it may be worth getting assessed.
A physiotherapist can help determine whether your symptoms are consistent with IT Band Syndrome or whether another condition may be causing your pain.
Getting an accurate diagnosis is important because several different knee conditions can cause pain around the outside of the knee, and each may require a different treatment approach.
Get Back to Running
IT Band Syndrome can be frustrating, especially when running is an important part of your lifestyle. However, with the right rehabilitation plan, most runners can successfully return to the activities they enjoy.
At Physical Edge Physiotherapy in Oakville, Ontario, our physiotherapists can help assess your running injury, identify contributing factors, and develop an individualized rehabilitation and return-to-running program.
If you're experiencing persistent pain on the outside of your knee, don't let it keep you from running. A physiotherapy assessment can be the first step toward understanding your symptoms and getting back to running with confidence.





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