42 Lower Kings Road, Berkhamsted Herts HP4 2AA

Low Back Pain - The Tests You Need for an Accurate Diagnosis

(Hint: It's NOT X-Rays or MRI scans)

In this video Simon King shows you the special tests he uses to uncover the hidden causes of low back pain.

We all hope that  X-Rays or MRI scans will help someone see what’s wrong with us – finally!

The reality is often disappointing. Very few X-Rays or scans result in a meaningful solution.

There are rare times when X-rays might reveal a hidden fracture or disease but most X-Rays taken for low back pain show nothing abnormal – or they show degenerative changes that are classified as

  1. normal aging or
  2. common in people with no pain and therefore nothing to worry about.

What about MRI scans?

MRI scans are more sensitive for soft tissue injuries but they leave you with the same basic problem – you can see tissue damage but you can’t see what caused it or how best to fix it.

Medical images are just like photos. A photo of a car accident shows you the damage but you can’t tell if the driver fell asleep, there was oil on the road or the brakes failed. 

What causes back pain?

Back pain is a sign of tissue damage. It’s caused when the normal protect and repair mechanisms fail.

These mechanisms rely on muscle reflexes. 

Muscle reflexes control your muscle tone every second of every day. They keep your body safe.

Every time you bend, stretch, run, jump, lift, sit or stand, muscle reflexes hold each vertebra and bone securely so you don’t damage your joints. As each muscle contracts, an opposite muscle is inhibited slightly so the joint can move, but not so much that it is sprained, dislocated or damaged. This constant balance between muscle pairs is what keeps us mostly free of pain and injury.

Muscle Inhibition

When our muscle reflexes suffer any interference, our muscle tone is altered. We have either too much muscle tone (spasm, tightness, cramp) or too little (weakness, paralysis, aches).

What causes muscle reflex failure is a mystery to most doctors and therapists. They might check the knee-jerk reflex but they have never been taught how vital this reflex is to every movement and muscle. They are NOT checking the 99% of muscles and that is why most back pain goes unrecognised and untreated. 

Fortunately, there are a group of practitioners who check every muscle on every patient on every visit. They are afferent input practitioners.

An afferent input practitioner aims to eliminate weakness and increase strength without exercise.

Why no exercise?

Exercise RELIES on muscle reflexes and the neurological control of muscle tone.

You can’t strengthen or fix faulty nerve messages with exercise. If this were possible, Andy Murray wouldn’t have needed a hip replacement.

Afferent input practitioners encourage exercise but only once your muscle tone is normal. Without good muscle reflexes and good muscle tone, you risk injury when you exercise. 

Simon King

For Appointments

01442 800400

Natural Health Practitioner

Simon King is a musculoskeletal expert who’s primary focus is to treat and prevent musculoskeletal injuries.

He specialises in instant results in patients for whom nothing else has worked.

Simon is available Mondays, Wednesdays, Thursdays and Saturdays.

He enjoys taking care of amateur and professional sports people as well as patients with chronic pain and/or disability.


Low back pain95%
Neck Pain90%


  • In my mid 50s and fairly sporty – I developed a hip ache, aching joints, discomfort in my foot, pain when kneeling and various other “niggles” which physiotherapists and my osteopath couldn’t find a long term fix for. My Yoga instructor suggested I visit this clinic and saw a kinesiologist. I googled it initially and had it not been for the recommendation from her I would have been put off by the on line video of kinesiology in practice as their appeared to be very little “hands on” treatment. However, the result was astonishing! After the first half an hour of treatment I skipped out of the clinic without foot pain, was diagnosed and treated for thyroid problems (who knew?) had a hernia sorted out (again, a surprise to me) and my hip pain totally disappeared. Since then I’ve had one more visit after having a mercury filling removed from a tooth to finalise all the corrections and complete the treatment and feel better than ever. I realise now that just because we’re getting older we should not accept aches and pains as a natural progession of ageing! I now have a three month maintenance check up to ensure everything is working correctly and prevent future potential problems from developing. Worth every penny. –

    It turns out aches and pains aren't normal
  • I’ve been applying your afferent input technique for a couple of months now, and am happily amazed by some of the results!

    Several of my “old” patients are now a lot better because of a nervous system irritant that was still hindering them. My favorite case is still a 16 year old girl with a two year history of headaches, dizzyness and a once-a-month attack of epilepsia. After taking out her belly button piercing and 5 adjustments she hasn’t had a headache, hasn’t been dizzy nor had epilepsia. Super! As a result, now I am treating her mother and father as well.

    Health Professionals love it
    Annette Burke - Chiropractor, Holland.
  • 13 years ago, I had a car accident where I apparently suffered whiplash. As a result, I suffered acute back problems, culminating in me slipping two discs when I fell down the stairs. I spent thousands of pounds on reflexology, Chinese homeopathy… I just wanted to find something that worked! My local chiropractor thought it might be linked to my crown (the same year as my accident, I’d had a metal crown put in) and put me in touch with Simon.

    I can remember my husband saying at the time what have you been told now! So we both went and visited Simon in Berkhamsted, and Simon asked me to do the dumbbell test, where he asked me to lift a dumbbell with my left and then my right hand. My right hand just wouldn’t move until he told me to cover my crown, and then yes, I could move it! On Simon’s advice, I had the crown removed and replaced with a non-metal version. I can honestly say that my back has improved ten-fold, instantly my strength came back… I’m no longer on tablets every day and I’m not crying every day.

    I'm not Crying Every Day
    Karen, Stockport
  • I am no athlete just caring for my 87 year old Dad at the near end of his life. I walked in off the street last Wednesday thinking I might need a psychiatrist, but also I thought I could do with a chiropractor. Simon King was very welcoming and gave me an instant assessment by testing my muscle tone, he soon honed in on my weak points and applied very accurate well in tuned adjustments that transformed me from feeling overwhelmed and emotional to feeling pretty damn good! Thank you Simon!

    He honed in on my weak points...
    Nicola Moss
  • Simon aka the “muscle strength guy” is amazing at finding small weaknesses and correcting them quickly. Would thoroughly recommend.

    Tennis Pro
    Hugo Allen

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