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The Performance Lab Blackburn

Blackburn Sports and Leisure Centre.

Feilden Street



Tel: 01254 457867


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  • Feilden Street carpark

  • Blackburn college (after 4.30pm only)

The Performance Lab Burnley

Fitness Evolution

Burnley College

Princess Street


BB12 0AN

Tel: 01282 500149

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  • Free parking outside Fitness Evolution

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Find us at P-Lab Burnley:

We are located next to the gym at Fitness Evolution

The Achilles heel for runners and walkers!

March 6, 2017



We know how important it is to keep active (see our information on ‘recommended weekly exercise’) this can be anything from running 10K’s, hill walking or keeping up with your 10,000 steps using a health pedometer.  


A problem that affects a great deal of people and limits ability to exercise is a condition called Achilles tendinopathy.  It presents as a discomfort and often a lump in the Achilles tendon just above the heel.  The Achilles tendon is the thick band like structure that connects your calf muscle with your heel.



What is a tendinopathy?


Tendons are made up of thousands of tough, elastic fibres. These fibres are subject to stress or load when our muscle contracts to move our joints and especially when we use our muscles to absorb shock.  Stress to the tendon causes multiple micro tears to the small fibres and our body then rebuilds the tissue.  This is a state of equilibrium where an almost equal number of fibres breakdown then repair maintaining the status quo.  The problem arises when the breakdown outweighs the rebuild and then the tendon structure changes and becomes less efficient at dealing with the stress this is what is termed a ‘tendinopathy’.  For more detail on the different stages of tendinopathy please see our section the conditions section.




Initially you may start to feel Achilles tendon ache after a long walk or run and one of the most common times to feel this is when your first start walking as you get out of bed in the morning.  The discomfort usually disperses as the tendon warms up but can return again after long periods of inactivity in the day.  When you squeeze the tendon it is common to feel tenderness and often there is a hard nodule.  




The nodule is nothing to worry about and is a collection of fluid that seeps into the tendon when increased breakdown in the fibres occur.  As your body tries to repair this problem a new blood supply is created around the nodule and with a new blood supply comes a nerve supply which causes an increase in sensitivity and therefore pain.  As the condition progresses it takes less and less load to aggravate the tendon and the discomfort felt can become more constant.  


Managing an Achilles tendinopathy


Reactive tendon: It is common to feel Achilles discomfort following and increase in activity or training.  If this happens you will have just caused a mild increase in micro tears in the tendon due to the overload.  Firstly reduce the load on the tendon by avoiding high impact exercise for 7-10 days.  You may also want to avoid long walks for a few days.  Once you return to exercise or walking it is important that you leave further exercise for 24 hours as tendinopathy discomfort tends to be worse he day after. 


Tendon Disrepair:  If the problem starts to become more persistent for more than 2 weeks th