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Runner’s knee

Definition: A softening or wearing away and cracking of the cartilage under the kneecap, resulting in pain and inflammation. The cartilage becomes like sandpaper because the kneecap is not riding smoothly over the knee.

Symptoms for Runner’s knee:1runknee1

Pain beneath or on the sides of the kneecap crepitus (grinding noise), as the rough cartilage rubs against cartilage when the knee is flexed.

Pain is most severe after hill running

Swelling of the knee

Causes:

overpronation (feet rotate too far inward on impact) - can cause the kneecap to twist sideways fatigued or weak quadriceps muscle. The quadriceps muscle assists in the proper tracking of the kneecap.

Weakness, especially of the inside part of the quadriceps, can prevent the kneecap from tracking smoothly

muscle imbalance – between weak quadriceps and tight hamstring and iliotibial band (ITB)

Muscles can also affect proper tracking hill running (especially down hills) and running on cambered surfaces

Incorrect or worn shoes

Overtraining

Runner’s Knee Treatment Methods

Self-treatment:

Stop running

Take a course (5 – 7 days) of non-steroidal anti-inflammatory drugs(ibuprofen/voltaren/cataflam/mobic)

available from your general practitioner or pharmacist

Apply ice to the knee area – for 10 minutes every 2 hours, in order to reduce the inflammation

Avoid weight-bearing activities and keep foot elevated where possible

Self-massage – using arnica oil or anti-inflammatory gel, on the sore spots around the knee

stretch 2 – 3 times per day.

Strengthen the quadriceps muscle only when pain-free.

Exercises include:

1) Place pillow under knee, tighten quadriceps, push knee down into pillow and lift foot up. 20 times

2) Repeat exercise as above with foot turned out in order to strengthen the inside of the quadriceps muscle. Repeat 20.

3) Squats. Perform with back against wall. Bend knees slowly to between 45 – 60. Ensure that knee travels over line between big and second toes. Hold for a count of 5 seconds. Relax slowly. 20 times

4) Step-downs. Stand on step or box. Tighten quadriceps and lower opposite leg slowly to the ground.Ensure that knee travels over line and between big and second toes.Then raise the leg up onto the step, relax. Repeat 20.  Increase the number of repetitions in increments of 5 every two days, all the way up to 60 reps.

Stretching – of the quadriceps, hamstring, iliotibial band (ITB) and gluteal muscles

Return to running gradually

Full recovery is usually between four to six weeks

Medical treatment:

If injury doesn’t respond to self-treatment in two weeks, see a physiotherapist or orthopaedic surgeon

Orthotist or podiatrist for custom-made orthotics to control overpronation

Orthopaedic surgeon – surgery to scrape away rough edges of cartilage may alleviate some pain.

Cortisone injections are ineffective

Alternative exercises:

Swimming, pool running, cycling (in low gear) “spinning”

Avoid any exercise that places strain onto the knee

Preventative measures:

Stretching of the quadriceps, hamstring, iliotibial band (ITB) and gluteal muscles. Hold each stretch for 30 seconds, relax slowly.

Repeat stretches 2 – 3 times per day. Remember to stretch well before running, strengthening of quadriceps, hamstring and calf muscles correct shoes, specifically motion-control shoes and orthotics to correct

overpronation

Avoid excessive downhill running, and cambered roads (stay on the flattest part of the road) .

Gradual progression of training programme

Incorporate rest into training programme

The BIG five – the 5 most common running injuries [ in English ]

The BIG five – die 5 häufigsten Laufverletzungen [ auf Deutsch ]

The BIG five – Viisi yleisintä juoksuvammaa – TOP5 [ Suomeksi ]

The BIG five – De 5 vanligaste skadorna – TOP5 [ Svenska ]