What is PEMF Therapy?

PEMF stands for pulsed electromagnetic field. A coil generates a changing magnetic field that passes through tissue, and unlike most recovery gear the field is not blocked by hair, rugs, boots or bandages.

How a PEMF machine works

Current is pulsed through a coil — built into a mat, a loop, a blanket or a hand-held applicator. That produces a magnetic field which passes through whatever it is placed over. There is no heat, no needles and nothing to strap tight.

Two things follow from that, and they are the practical reasons people buy one:

• It covers an area, not a point. A mat across a back and hindquarters, or a loop over a limb, treats the whole region at once — useful when something is not quite right but you cannot say exactly where
• It is completely passive. The person or the horse stands or lies still while it runs. Most horses settle within a session or two, and a treatment an animal tolerates is a treatment that actually gets done

What the research actually shows

We would rather tell you this straight than sell you a story.

PEMF has a genuine clinical evidence base, but it is concentrated in specific places. It is strongest for bone healing — certain PEMF devices have been approved for non-union fractures since the 1970s — and reasonably good for knee osteoarthritis, where a Cochrane review found moderate-quality evidence for pain and function after four to eight weeks of regular use.

Outside those areas it thins out. Evidence for general chronic pain is limited to small studies. For everyday athletic recovery specifically — the reason most people buy a unit — the research is thin rather than settled, and honest reviewers say so.

There is also a problem that runs through the whole field: PEMF devices differ enormously in frequency and intensity, which makes trials hard to compare with each other and hard to apply to any particular machine. Most studies also follow people for only four to twelve weeks. Anyone quoting you a precise percentage improvement is going further than the evidence goes.

So: this is general information about the technology, not a promise about what a device will do for you. If you have an injury, pain that is not settling, or a health condition, talk to your doctor, physio or vet. A recovery machine is not a diagnosis and it is not a substitute for treatment.

PEMF for horses

PEMF has been used on horses for a long time — in parts of the industry longer than on people. Racing and performance yards were early adopters, and a mat is now an ordinary sight in a recovery barn alongside ice boots and solariums.

It suits horses for a practical reason. They cannot tell you where it hurts, and a field placed across the back and hindquarters covers a large area at once. They are also large animals where much of what matters — back, quarters, sacroiliac region — is hard to reach with anything you strap on.

Two things that catch owners out. A lame horse, or heat and filling in a tendon, is a call to your vet before it is a recovery session — those are exactly the injuries where an early scan changes the outcome. And racing rules matter: the Queensland Racing Integrity Commission's race-day treatment guide lists magnetic field therapy and other forms of electrical stimulation among treatments that must not be used on a horse before it races on race day. Check the rules of your own code and jurisdiction before a meeting.

Read more about equine PEMF, the longer guide for trainers, or shop PEMF systems.

Leg compression — what it actually does

Compression boots work mechanically. The sleeves inflate in sequence — foot, calf, thigh — squeeze, hold, then release. That external pressure assists venous return and helps move fluid out of the limb, which is why the effect is most obvious in legs that feel swollen and heavy after hard work.

Being straight about the evidence: it is strongest for how you feel. People consistently report less soreness and less of that heaviness in the day or two after a hard session. Effects on objective performance markers — what you can lift or how fast you can run the next day — are more modest and less consistent between studies.

Where a set of boots earns its place:

• Legs that are swollen and aching after heavy running, jumping or lifting
• Back-to-back training days where the legs have not come back
• Long travel — hours in a seat, then straight into work
• Standing on your feet all day. You do not have to be an athlete for your legs to be wrecked

A session is usually twenty to thirty minutes at a pressure you find firm but comfortable. It is entirely passive — you sit or lie down while it runs.

See the KYNEXA Leg Compression Boots

Red light — what the research actually says

Red light therapy — the research term is photobiomodulation — means exposing tissue to red and near-infrared light, generally somewhere in the 630 to 900 nanometre range. Unlike compression, where the mechanism is simple and physical, here the mechanism is still being worked out.

The honest position on the evidence: it is an active research area and the direction is encouraging, particularly around pain and function in musculoskeletal rehabilitation. But protocols vary enormously between trials — wavelength, dose, distance, session length and frequency are all over the place — and reviewers consistently name that inconsistency as the field's main weakness. Which is a good reason to be sceptical of anyone quoting you a precise percentage.

What that means in practice:

• Consistency beats intensity. Short, regular sessions do more than occasional long ones
• Distance and duration change the dose — follow the instructions for the panel you own rather than a number you read somewhere
• Do not look directly into the panel. Turn your head, or use the eye protection supplied
• It sits alongside sleep, food and sensible training. It does not replace any of them

See the KYNEXA red light range

About KYNEXA

KYNEXA is an Australian recovery technology brand supplying PEMF machines and compression systems to athletes, clinics and the equine industry. Based in Brisbane, Queensland, shipping Australia-wide and internationally.