What is the IT band?

The iliotibial band (ITB) is a strong band of connective tissue that runs along the outside of the thigh.

It extends from the area around the hip towards the outside of the knee, where it attaches to the upper part of the tibia.

The ITB helps transmit forces between the hip and knee and contributes to stability during activities such as:

• Walking

• Running

• Cycling

• Climbing stairs

• Single-leg activities

• Squatting

The ITB works closely with muscles around the hip, particularly the gluteus maximus and tensor fasciae latae (TFL).

What is ITB syndrome?

Iliotibial band syndrome is a common cause of lateral knee pain associated with repetitive activities such as running and cycling.

Pain is usually felt around the outside of the knee and tends to occur during repetitive knee flexion and extension.

Symptoms often begin during exercise and may initially settle when you stop. If the problem persists, pain may begin earlier during activity or become more easily aggravated.

What causes ITB pain?

ITB pain is commonly associated with a change in the amount or type of activity you are doing.

Potential triggers include:

• Increasing running mileage

• Increasing running frequency

• Introducing hill running

• Increasing downhill running

• Increasing running speed

• Changing training surfaces

• Returning to running after a break

• Increasing cycling volume

• Changes in bike position or training load

• Reduced recovery between sessions

Importantly, there is rarely one single cause of ITB pain.

The way your hip, knee and foot control movement, combined with your current training load and tissue capacity, can all contribute.

Symptoms of ITB Syndrome

Typical symptoms include:

• Pain on the outside of the knee

• Pain that develops during running

• Pain when running downhill

• Pain during longer runs

• Pain that worsens with increasing mileage

• Tenderness around the outside of the knee

• Pain during repetitive knee bending and straightening

• Occasionally pain around the outside of the hip

ITB pain is usually associated with activity rather than being constantly painful at rest.

Where is ITB pain felt?

The characteristic location is the outside of the knee, usually around the lateral femoral epicondyle.

Some people also experience discomfort further up the outside of the thigh or around the outside of the hip.

The location of pain is useful, but several other conditions can cause lateral knee pain. A proper assessment is therefore important before assuming that the ITB is responsible.

ITB Pain in Runners

ITB syndrome is particularly common in runners.

It may develop after:

• Increasing weekly mileage

• Adding long runs

• Introducing hill sessions

• Increasing speed work

• Running more frequently

• Returning to running after injury

• Changing running surfaces

A common pattern is being able to run for a certain distance before the pain gradually appears.

For example, you may initially be able to run 5 km without symptoms but develop lateral knee pain at 6–7 km as your training load increases.

ITB Pain in Cyclists

Cyclists can also develop pain around the outside of the knee.

Cycling involves thousands of repetitive knee movements, meaning relatively small changes in training load or bike position can produce a large increase in cumulative load.

Potential contributors can include:

• Sudden increases in cycling volume

• Increased resistance or hill climbing

• Changes in bike position

• Changes in saddle height

• Changes in cleat position

• Reduced hip strength

• Reduced recovery between sessions

If symptoms consistently occur during cycling, assessing your bike setup and training load may be useful alongside rehabilitation.

ITB Pain Assessment

A physiotherapy assessment should look beyond the IT band itself.

Your physiotherapist may assess:

• Location and behaviour of your pain

• Hip strength

• Gluteal strength

• Single-leg control

• Knee movement

• Ankle movement

• Foot and ankle function

• Running technique

• Cycling-related factors

• Training volume and intensity

• Recent changes in activity

The aim is to identify what is currently causing the knee to become overloaded and determine how best to modify and rebuild your capacity.

Is ITB Pain Caused by Weak Glutes?

Hip weakness is often discussed as a cause of ITB syndrome, but the relationship is more complicated.

Reduced hip strength or endurance can contribute to altered lower-limb mechanics during running and other single-leg activities.

However, ITB pain is not simply caused by having "weak glutes".

Your physiotherapist will consider strength alongside training load, movement patterns, running demands and other individual factors.

ITB Pain Treatment

The main focus of treatment is usually load management and progressive strengthening.

Rather than simply stretching the IT band or stopping all activity, rehabilitation aims to improve your ability to tolerate the demands of running, cycling or sport.

Load Management

If running is currently aggravating your symptoms, you may need to temporarily modify:

• Running distance

• Running frequency

• Hills

• Downhill running

• Speed work

• Long runs

The goal is not necessarily complete rest.

Instead, we aim to find an appropriate level of activity that allows symptoms to settle while maintaining fitness.

Hip and Glute Strengthening

Strengthening the muscles around the hip can improve your ability to control the pelvis and lower limb during running and single-leg activities.

Exercises may include:

• Side-lying hip abduction

• Hip extension

• Step-ups

• Split squats

• Single-leg squats

• Lateral step-downs

• Hip hinges

• Single-leg deadlifts

Exercises are progressively made more challenging as your strength and tolerance improve.

Progressive Strength Training

Rehabilitation should eventually progress beyond simple activation exercises.

Depending on your goals, this may include:

• Heavy resistance training

• Single-leg strengthening

• Plyometric exercises

• Hopping

• Landing drills

• Running-specific exercises

The aim is to develop the capacity required for your normal activities rather than simply making the muscles feel stronger in isolation.

Running Rehabilitation

If you are a runner, rehabilitation should include a gradual return to the running loads that previously caused your symptoms.

A progression might involve:

Walking → walk/jog → continuous running → increased duration → increased mileage → hills → faster running

The exact progression will depend on your symptoms and running goals.

If your pain consistently returns at a particular distance, this can provide useful information about your current load tolerance.

Should I Stop Running With ITB Pain?

Not necessarily.

Some runners can continue running with modifications, particularly if symptoms remain manageable and settle appropriately afterwards.

You may need to temporarily reduce:

• Distance

• Speed

• Hills

• Running frequency

If pain is severe, worsening rapidly or significantly changing your running pattern, a greater reduction in load may be appropriate.

Does Stretching the IT Band Help?

The IT band is a strong connective tissue structure and cannot be meaningfully "stretched" in the same way as a muscle.

Aggressive ITB stretching is therefore not usually the main focus of rehabilitation.

Instead, treatment generally focuses on managing the provoking load and improving strength and movement capacity.

Soft-tissue techniques may sometimes provide short-term symptom relief but should not replace progressive rehabilitation.

How Long Does ITB Syndrome Take to Recover?

Recovery varies between individuals.

Some people improve within several weeks after modifying their training and beginning appropriate rehabilitation.

Long-standing ITB pain may take longer, particularly if the underlying training load or contributing factors have not been addressed.

The goal is to gradually increase your ability to tolerate the activity that previously caused symptoms.

Can ITB Syndrome Cause Permanent Damage?

ITB syndrome generally does not cause permanent damage to the knee.

However, continuing to repeatedly aggravate the symptoms without addressing the underlying factors can result in persistent pain and repeated flare-ups.

A structured rehabilitation programme can help restore your ability to run or exercise normally.

Other Causes of Lateral Knee Pain

Not all pain on the outside of the knee is caused by the ITB.

Other potential causes include:

• Lateral meniscus injury

• Lateral collateral ligament injury

• Patellofemoral pain

• Osteoarthritis

• Biceps femoris tendinopathy

• Popliteus-related pain

• Proximal tibiofibular joint problems

This is why an assessment is important, particularly when symptoms do not behave like typical ITB syndrome or fail to improve with appropriate rehabilitation.

Frequently Asked Questions

What is the fastest way to treat ITB syndrome?

There is no single treatment that immediately resolves ITB pain.

The most effective approach is usually to identify and modify the activities currently aggravating the knee while progressively improving strength and returning to the required running or sporting loads.

Can I run with ITB pain?

Often, yes, depending on the severity of your symptoms.

You may be able to continue running at a reduced distance or intensity while working through rehabilitation. If running causes significant or progressively worsening pain, your training load should be reduced further.

Should I stretch my IT band?

ITB stretching is not usually the main treatment because the IT band is connective tissue rather than a muscle.

Strengthening and load management are generally more important.

Are weak glutes causing my ITB pain?

Reduced hip strength can contribute to lower-limb movement patterns associated with ITB symptoms, but ITB pain is rarely caused by one factor alone.

Training load, running demands, strength and individual biomechanics should all be considered.

Why does my ITB hurt when running downhill?

Downhill running increases the demands placed on the knee and involves repeated loading through a relatively large range of movement.

If your current capacity is not sufficient for this load, symptoms may appear sooner when running downhill.

Can cyclists get ITB syndrome?

Yes. The repetitive nature of cycling can contribute to ITB-related lateral knee pain.

Training volume, resistance, bike setup and individual movement patterns may all be relevant.

How long does ITB syndrome take to heal?

Many cases improve over several weeks with appropriate rehabilitation, although persistent cases can take longer.

The timeline depends on how long you have had symptoms, your training demands and how quickly your capacity can be rebuilt.

Do I need an MRI for ITB syndrome?

Usually not.

ITB syndrome can often be diagnosed through a clinical assessment. MRI may be considered if symptoms are atypical, persistent or if another condition needs to be investigated.

Can ITB syndrome come back?

Yes. Symptoms can recur if running or training load is increased faster than your capacity can tolerate.

Maintaining appropriate strength and gradually progressing high-demand activities can help reduce the risk of recurrence.

When should I see a physiotherapist for ITB pain?

Consider an assessment if your pain is preventing you from running or cycling, keeps returning when you increase training, or is not improving despite modifying your activity.

A physiotherapist can also help you develop a structured return-to-running programme.

ITB Pain Physiotherapy in Newcastle

At NE Physio, we provide assessment and rehabilitation for ITB pain, lateral knee pain and running-related injuries in Newcastle.

We look beyond the IT band itself to understand the relationship between your training load, strength, movement and activity demands.

Your rehabilitation programme will be tailored to your goals, whether you want to return to running, continue cycling, get back to sport or exercise without knee pain.

Book Your Assessment

If you have pain on the outside of your knee when running, cycling or exercising, book an assessment with NE Physio in Newcastle.