Nerve Flossing Exercises: How to Do Them and When They Help

If you have ever had shooting pain down your leg, tingling in your fingers or a deep ache that follows the path of a nerve, your chiropractor may have recommended nerve flossing. It is a simple self-management tool we prescribe regularly in practice, particularly for sciatica, a pinched nerve in the neck and carpal tunnel syndrome.

The name sounds unusual, but the idea is simple. Nerve flossing is a gentle, rhythmic movement that helps a nerve slide back and forth through the surrounding tissues. Think of it like flossing between teeth. You are not stretching the nerve, you are moving it through the structures it passes between.

How nerve flossing works

Your nerves are not fixed in place. They glide and stretch as you move. In an ultrasound study of healthy volunteers, the median nerve in the upper arm moved up to about 5mm when the neck or elbow moved on its own, and about 10mm during a sliding exercise that combined the two (Coppieters et al., 2009).

When a nerve becomes irritated, whether from a disc bulge, muscle tightness, swelling or scar tissue, it can lose some of that freedom to glide. Movements that should feel normal start to pull on it, producing pain, tingling or numbness.

Nerve flossing gently mobilises the nerve through its pathway without placing it under a lot of tension. There are two main approaches.

Sliding. You lengthen the nerve’s path at one end while shortening it at the other. The nerve glides back and forth, but the overall tension stays low. In the same ultrasound study, the sliding technique produced the largest nerve movement of the six exercises tested (Coppieters et al., 2009).

Tensioning. You lengthen the nerve’s path from both ends at the same time, which puts it under more stretch and actually moves it less (Coppieters et al., 2009). This is a more advanced technique, usually introduced later in recovery once the nerve is less irritable.

For most people, sliding is the starting point, and all the exercises below are sliders.

What does the evidence say?

The research on nerve flossing has grown a lot over the last decade.

Lower back and leg. A 2023 meta-analysis of 20 randomised trials involving 877 people with lumbar radiculopathy found that neural mobilisation reduced both pain and disability, whether it was used on its own or with other treatment. The effect on disability was strongest in long-standing cases (Lin et al., 2023). A separate review of eight trials found that in six of them, adding neural mobilisation to other conservative care improved every outcome measured, and concluded it may be an effective tool for short-term improvements in pain, function and disability (Peacock et al., 2023). An earlier meta-analysis also found improvements in pain and disability in chronic low back pain (Basson et al., 2017).

Neck and arm. The same 2017 meta-analysis found that neural mobilisation reduced pain in people with long-standing neck and arm pain (Basson et al., 2017). More recently, a 2025 network meta-analysis of 36 trials in cervical radiculopathy, a pinched nerve in the neck, looked at which parts of a treatment plan made the difference to pain. Nerve mobilisation was one of the components most strongly linked with less pain, alongside joint treatment and traction (Núñez de Arenas-Arroyo et al., 2025).

Wrist and hand. For carpal tunnel syndrome the picture is more mixed, and nerve gliding works best as an add-on to other care. A review of 13 trials found that most reported improvements in pain and function, and suggested gliding may help hand function recover sooner (Ballestero-Pérez et al., 2017). A 2022 double-blind trial found that adding median nerve mobilisation to routine physical therapy reduced symptoms and improved hand function more than the routine care alone (Ijaz et al., 2022).

The consistent theme is that nerve flossing works best as part of a broader plan that also deals with whatever is irritating the nerve.

When nerve flossing helps

Nerve flossing is most useful when your symptoms come from a nerve that isn’t moving well through the tissues around it. Common situations include:

Sciatica and lumbar radiculopathy. Pain, tingling or numbness running from the lower back into the buttock, thigh or leg, often from a disc bulge or narrowing irritating one of the nerve roots.
A pinched nerve in the neck. Pain or tingling running from the neck into the shoulder blade, arm or fingers, often from a disc problem or narrowing where the nerve root leaves the spine. Our article on whether a pinched nerve in the neck needs surgery covers this in more detail.
Carpal tunnel syndrome. Tingling, numbness or weakness in the hand and fingers from compression of the median nerve at the wrist.
Thoracic outlet syndrome. Compression of the nerves, and sometimes blood vessels, between the neck and shoulder, causing arm symptoms.
Nerve tightness after surgery. After spinal surgery, a hip replacement or another procedure near a nerve pathway, scar tissue can restrict how well the nerve glides. Your surgeon or practitioner will tell you when it is safe to start.
Piriformis syndrome. Tightness in the piriformis muscle can irritate the sciatic nerve as it passes through the buttock.

When to avoid it

Nerve flossing isn’t right for everyone. Avoid it, or stop straight away, if:

You have weakness that is getting worse, or changes in bladder or bowel control. These need urgent medical attention.
Your symptoms get noticeably worse during or after the exercises. Mild discomfort is fine, increasing pain is not.
You have a recent nerve injury or are in the early healing phase after surgery. Your practitioner will advise when it is safe to start.
You have peripheral neuropathy from diabetes or another condition, unless your treating practitioner has guided you.

The key rule is that nerve flossing should never reproduce or ramp up your symptoms. A mild stretch or slight tingling during the movement is acceptable. Sharp pain, worsening numbness or more symptoms afterwards means you need to back off and speak to your chiropractor.

Exercises

These are the nerve flossing exercises we prescribe most often. Each one is a slider: one part of the movement lengthens the nerve’s path while the other shortens it. Move slowly and smoothly, don’t hold the end position, and stop if your symptoms increase.

1. Sciatic nerve floss (seated)

Sit upright on a chair with both feet flat on the floor. Straighten your affected leg out in front of you, toes pointing up, while you tip your head back to look up at the ceiling. Then bend your knee back down while you bring your chin towards your chest. Leg out with head up, leg down with head down.

Perform 10 to 15 repetitions, 2 to 3 times per day. The movement should be smooth and rhythmic, not held at the end.

2. Sciatic nerve floss (lying down)

Lie on your back with both knees bent. Hold behind the thigh of your affected leg with both hands so the hip is bent. Slowly straighten your knee towards the ceiling while pointing your toes away from you. Then bend the knee back down while pulling your toes up towards your shin. Keep the movement gentle and controlled.

Perform 10 to 15 repetitions, 2 to 3 times per day.

3. Median nerve slider (for neck and arm symptoms and carpal tunnel)

This is a common starting point for a pinched nerve in the neck, and it also helps when the median nerve is irritated at the wrist.

Sit or stand tall. Lift your affected arm out to the side to about shoulder height, or lower if that is more comfortable, with your elbow bent and your palm facing up. Straighten your elbow and tip your wrist back while you tilt your head towards that arm. Then bend your elbow and relax your wrist while you tilt your head away. Arm and head work in opposite directions.

Perform 10 repetitions, 2 to 3 times per day. You should feel a gentle sliding sensation along the inside of your arm, not pain. If lifting the arm to the side stirs up your symptoms, start with it lower by your side.

4. Ulnar nerve glide (for ring and little finger symptoms)

Sit or stand upright. Bend your elbow and wrist, bringing your hand towards your shoulder with your palm facing you. Then straighten your elbow and extend your wrist, reaching your arm out to the side with your palm facing away. Alternate between these two positions in a smooth, controlled rhythm.

Perform 10 repetitions, 2 to 3 times per day.

5. Femoral nerve floss (for front of thigh symptoms)

Stand holding a chair or wall for balance. Bend your knee behind you, bringing your heel towards your buttock, while you look up. Then lower your foot back to the floor while you look down. Knee bent with head up, foot down with head down.

Perform 10 to 15 repetitions, 2 to 3 times per day.

How to get the most out of nerve flossing

Start gently. The most common mistake is being too aggressive. These are mobilising exercises, not stretches. You are not trying to push through pain.

Be consistent. A few minutes once or twice a day tends to work better than one long session a week. The nerve responds to regular, repeated movement.

Do them when you’re warm. Many people find the exercises more comfortable after a short walk or some gentle movement.

Track your response. Notice how your symptoms behave over the next 24 hours. If you feel better or the same, carry on. If symptoms increase, reduce the number of repetitions or the range of movement.

Combine with treatment. Nerve flossing helps most when the cause of the irritation is also being addressed. If a stiff joint, a tight muscle or a disc bulge is irritating the nerve, treating that directly alongside the exercises helps the nerve settle.

When to get help

If you have done the exercises consistently for two weeks without improvement, or your symptoms are getting worse, it is time for a proper assessment. Nerve pain has many possible causes and the right exercise depends on an accurate diagnosis.

At our Sandton practice, we regularly treat nerve-related conditions including sciatica, neck pain with arm symptoms, a pinched nerve and wrist and hand pain. We can assess where the nerve is being affected, find what is irritating it and build a plan that includes the right nerve flossing exercises for you.

Get in touch or book an appointment.

Frequently Asked Questions

What is nerve flossing?

Nerve flossing, also called neural mobilisation or nerve gliding, is a set of gentle, rhythmic movements that slide a nerve back and forth through the tissues around it. You lengthen the nerve's path at one end while shortening it at the other, so the nerve moves without being stretched hard.

Does nerve flossing help sciatica?

The research is encouraging. A meta-analysis of 20 randomised trials with 877 people with nerve pain from the lower back found that neural mobilisation reduced both pain and disability, with the effect on disability strongest in long-standing cases (Lin et al., 2023). It works best alongside other treatment rather than on its own.

Can nerve flossing help a pinched nerve in the neck?

Yes. Pooled trials found that neural mobilisation reduced pain in people with long-standing neck and arm pain (Basson et al., 2017), and a 2025 analysis of 36 trials in cervical radiculopathy found nerve mobilisation was one of the components most strongly linked with less pain (Núñez de Arenas-Arroyo et al., 2025). The median nerve slider in this article is a common starting point.

Should nerve flossing hurt?

No. A mild stretch or a little tingling during the movement is acceptable, but it should settle straight away. If your pain, numbness or tingling increases during or after the exercises, reduce the range or stop and get the problem assessed.

How long does nerve flossing take to work?

Most of the trials ran over several weeks and alongside other treatment. If you have done the exercises consistently for two weeks without any change, or your symptoms are getting worse, it is worth having the cause properly assessed.

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