Renew Wellness

Nerve Flossing: What It Is and How It Works

Written by Renew Wellness | Mar 12, 2026 3:30:56 PM

Have you ever experienced a sharp, shooting pain that travels down your arm or leg? Or perhaps a persistent tingling, numbness, or burning sensation that just won't go away? If so, your nerves might be why, and a technique called nerve flossing could help.

At Renew Wellness, we believe in educating our patients about the treatments we use and how they help. So, we're breaking down everything you need to know about nerve flossing: what it is, how it works, and if it might be right for you!

What Is Nerve Flossing?

Nerve flossing is a physiotherapy technique used to free nerves that have become restricted, compressed, or "stuck" within surrounding tissues.

Just like a piece of floss moving back and forth between your teeth, nerve flossing involves carefully mobilizing the nerve so it can glide smoothly through the muscles, tendons, and other structures it passes through. The goal is to restore the nerve's natural movement and reduce pain, tingling, or discomfort.

How Do Nerves Get Restricted in the First Place?

Your peripheral nerves (the ones that branch out from your spinal cord to your limbs) are designed to move and glide as your body moves. When you reach overhead, bend forward, or extend your leg, your nerves are constantly stretching and sliding through tight spaces between muscles, bones, and connective tissue.

Nerves can become restricted or irritated due to:

  • Injury or trauma (such as a car accident or sports injury)
  • Poor posture over long periods of time
  • Repetitive movements that cause inflammation
  • Scar tissue from surgery or previous injuries
  • Disc herniations that compress nearby nerves
  • Conditions like carpal tunnel syndrome or sciatica

When a nerve gets "stuck," it loses its ability to glide freely. This can cause pain, numbness, weakness, or that classic pins-and-needles sensation many people know all too well.

How Does Nerve Flossing Work?

Nerve flossing works by gently tensioning and releasing the nerve from both ends, encouraging it to slide through the surrounding tissue. Think of it like feeding a rope through a narrow pipe: if the rope gets caught, you gently wiggle it through rather than yanking it.

There are two main types of nerve mobilization techniques:

1. Nerve Gliding

This technique involves moving the nerve in one direction while simultaneously releasing tension from the other end. This creates a gentle "sliding" motion without placing too much tension on the nerve at once. Sliders are often used in early stages of treatment or when the nerve is particularly sensitive.

2. Nerve Tensioning

This technique places the nerve under mild tension from both ends simultaneously, helping to stretch and mobilize it more aggressively. Tensioners are typically used once the nerve has calmed down and can tolerate more load.

Your physiotherapist will determine which technique is most appropriate based on your condition, symptoms, and stage of recovery.

What Conditions Can Nerve Flossing Help?

Nerve flossing is used to treat a wide range of conditions, including:

Condition Nerve Affected
Sciatica Sciatic nerve
Carpal Tunnel Syndrome Median nerve
Tennis Elbow (Neurogenic) Radial nerve
Thoracic Outlet Syndrome Brachial plexus
Piriformis Syndrome Sciatic nerve
Cervical Radiculopathy Cervical nerve roots
Plantar Fasciitis (Neurogenic) Tibial nerve
Cubital Tunnel Syndrome Ulnar nerve

Is Nerve Flossing Safe?

When performed correctly, either by a trained physiotherapist or following proper guidance, nerve flossing is generally very safe. However, it's important to note:

  • It is not suitable for everyone. People with certain conditions, such as nerve damage, active infections, or recent spinal surgery, should proceed with caution or avoid it altogether.
  • More is not always better. Overdoing nerve flossing exercises can actually irritate the nerve further, leading to increased symptoms. Always follow your physiotherapist's recommendations on frequency and intensity.
  • Always get a proper diagnosis first. Nerve symptoms can sometimes indicate serious underlying conditions.

Simple Sciatic Nerve Floss to Try at Home

Once cleared by your physiotherapist, here's a basic sciatic nerve floss exercise you can try:

Seated Sciatic Nerve Floss:

  1. Sit upright in a chair with both feet flat on the floor
  2. Slowly straighten one knee while simultaneously pointing your toes upward (dorsiflexion)
  3. Hold for 1–2 seconds
  4. Slowly return your foot to the floor and bend the knee back
  5. Repeat 10–15 times, then switch sides

You may feel a gentle pulling sensation down the back of your leg, and that's normal. Stop immediately if you feel sharp or severe pain.

Suffering from sciatic pain? Click here for more insights on what it is and stretches to alleviate sciatic pain!

When Should You See a Physiotherapist?

If you're experiencing any of the following, it's time to book an appointment:

  • Shooting or radiating pain down your arm or leg
  • Persistent numbness or tingling
  • Weakness in your hands or feet
  • Symptoms that haven't improved with rest
  • Pain that worsens with certain movements or positions

The Bottom Line

Nerve flossing is a powerful yet gentle technique that can make a real difference for people suffering from nerve-related pain and dysfunction. When incorporated into a comprehensive physiotherapy treatment plan, it can help restore normal nerve movement, reduce pain, and get you back to doing the things you love.

At Renew Wellness, our experienced physiotherapists are skilled in neural mobilization techniques and are here to help you find lasting relief. We take the time to properly assess your condition and design a treatment plan tailored specifically to you.

 

Ready to get started? Contact us today to book your initial assessment and take the first step toward moving pain-free.