Pain 1


Article by John Miller

What is Pain?

Pain informs you that something is wrong! Your body sends a warning to your brain through pain, which acts as a built-in alarm. An electrical pathway is provided by your spinal cord and peripheral nerves, allowing nerve messages to travel between your brain and other parts of your body. Your brain interprets pain as electrical signals that travel along these nerve pathways.

Receptor nerve cells beneath and in your skin sense various sensations, including heat, cold, light, touch, pressure, and pain.

Most of these cells dedicate themselves to sensing pain. When there is an injury to your body, tiny cells send messages along nerves and the spinal cord to your brain.

Nociceptors respond to injury or noxious stimuli and sense various stimuli, including thermal (heat), electrical, mechanical, chemical, and painful stimuli. Each nociceptor connects to a nerve that transmits an electrical impulse towards the spinal cord and, ultimately, your brain. Pain receptors are generally classified based on their location.

Your brain is responsible for informing you whether you are experiencing pain. Additionally, chronic pain can sometimes play tricks on you.

Transmission of Pain and Nerve Categorisation

Pain messages tend to travel slower compared to other nerve stimulations. The transmission of pain involves three types of nerves: nerves can be categorised based on their diameter and the presence of a myelin sheath.

  • A-beta fibres: These fibres have a large diameter and are myelinated.
  • A-delta fibres: These fibres have a small diameter and are also myelinated.
  • C fibres: These have small diameters, are non-myelinated (which slows their conduction rate), and are generally involved in transmitting dull, aching sensations.

Nerves with larger diameters conduct impulses faster than those with smaller diameters. The presence of a myelin sheath also speeds up the nerve conduction rate.

One method to alleviate pain is by providing your nervous system with high-speed "good feelings," such as rubbing the injured area. This principle is utilised by a tens machine, a pain-relieving device, that may provide pain relief.

Pain FAQs

TENS Machine FAQs

Navigating the world of TENS and EMS machines can be overwhelming with all the available options and information. Fortunately, our comprehensive TENS Machine FAQs are here to guide you through everything you need to know. Whether you're considering purchasing a TENS or EMS machine, seeking the best practices for electrode placements, or simply curious about the differences between these devices, this resource has got you covered.

We also discuss the intricacies of pain—what it is, why it occurs, and how these devices might offer relief. As with any medical device, it's crucial to read the label and follow the instruction manual carefully. For persistent symptoms or any concerns, always seek advice from a healthcare professional such as your physiotherapist or doctor. Let's explore these revolutionary devices and how they might contribute to managing pain and enhancing well-being.

General TENS & EMS Machine FAQs

tens machine faqs

Buy a TENS or EMS Machine

Pain FAQs


A TENS machine and an EMS machine are electronic medical devices. Always read the label and instruction manual. A TENS machine may assist you in modest short-term pain relief. Consult your doctor or healthcare professional before use and if symptoms persist. Use only as directed.

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