WHAT IS RUNNER’S KNEE? (Also known as PFJ syndrome)

Our knees are complex hinge joints, designed to provide stability from side to side and smooth movement forwards and back as you walk, kick and run. The patella, or kneecap, is a small bone embedded in the tendon of the quadriceps muscle that protects the knee and also provides extra leverage to the quadriceps, amplifying their strength. The patella moves up and down in a groove at the front of the knee as the knee bends and straightens. Usually this movement is smooth, with little friction, however, if something causes the patella to move in a dysfunctional way, the soft tissue between the kneecap and the knee can become irritated, causing pain in a typical pattern. This condition is often referred to as ‘runner’s knee’, PFJ Syndrome or patellofemoral pain syndrome (PFPS).

What causes it?

The patella usually sits in a balanced position in the shallow groove at the front of the knee and moves easily without friction. The patella is attached to the quadriceps muscle at the top and connected to the lower leg via the patella tendon at the bottom. When the quadriceps contracts, this pulls on the patella and acts to straighten the knee. If one side of the quadriceps is stronger or tighter than the other, it can cause the kneecap to pull to one side and over time become irritated.

There can be many factors that cause a muscle imbalance or weakness on one side of the quadriceps. In most people, the outer aspect of the quadriceps tends to be stronger and tighter than the inner muscle.

Certain postures and leg positions require the outer muscles to work harder and the inside muscles to become less active. Lack of arch support in your feet or simply a physical abnormality of the knee can also place stress on the movement of the patella.

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 What are the symptoms?

This condition is characterized by pain felt on the inside or behind of the patella with activities that require repetitive bending of the knee. There may be a sensation of crepitus, clicking or grinding and some people report that their knee suddenly gives way. The pain is commonly felt when running, going up and down stairs or when doing squats and is relieved with rest. The pain may start as a small niggle and gradually become worse over time.

 How can physiotherapy help?

The first step in effective treatment is to exclude any other conditions and have Physiotherapist confirm the diagnosis. Your physiotherapist is able to determine which factors are contributing to this condition, which could include poor posture, a lack of arch support in your feet or poor running technique.

Once these factors have been identified, you will be provided with a specific treatment program to best approach your condition. PFP syndrome usually responds quite well to biomechanical analysis and correction of any muscular weakness and imbalance. Having the correct shoes and orthotics can also make a huge difference. There are some short-term treatments, such as patella taping, try needling, trigger point therapy and ultrasound, which may help alleviate symptoms quickly and keep you active while you address the other factors contributing to your pain.

 

If you’d like more info on this, and some easy, actionable tips you can use now to start easing your knee. We have a free knee pain guide that we can send you. Connect with us on 020 87474 029(Chiswick) , 020 87887 804(Putney) or email us on info@bodiesunderconstruction.com and tell us what’s going on with your knee. A member of the team can take your details and we can email or post you a copy.

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About the Author: Leslie Abrahams


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Every week, for over 20 years, 100’s of people aged have consulted Leslie Abrahams looking for answers to concerning questions about, and for, a fast end to their health worries and physical pains and stiffness. He has previously worked and travelled with high-level athletes in the field of cycling and volleyball. Leslie also has a special interest in Spinal Treatments and Rehabilitation, lower limb injuries, and has experience dealing with patients post injury or surgery.

Leslie is a Master Trainer for the world renowned Australian Physiotherapy and Pilates Institute(APPI Pilates). He is regular key note speaker at conferences and travels internationally to present on modified exercise for rehabilitation. Leslie is the founder of Bodies Under Construction Clinics situated in Chiswick and Putney, London. South West London’s Specialist Private Physiotherapy Practice for People of all ages, but especially those in their 30’s. 40’s, 50’s, 60’s and beyond, who want to keep healthy and active.

 

Photo by Andrew Tanglao on Unsplash

Leslie Abrahams

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