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Osgood Schlatters is a common overuse knee injury that affects the upper part of the shinbone, just below the knee. It is most common in adolescents between the ages of 9 and 14 years who are active in sports and can frustratingly cause an enforced lay-off for gifted sports people. It is more common in males than in females.
Osgood Schlatters is a form of Traction Apophysitis (pronounced "trak-shun apof-o-site-is"). It occurs on an area of the shinbone called the Tibial Tuberosity (this is the small lump at the top of your shin, just below the kneecap).
The Tibial Tuberosity is an 'Apophysis' (an area of bone where muscles and tendons attach). In this instance, the strong Quadriceps (thigh muscles) attach to the Tibial Tuberosity. During adolescence, when the bone is still immature and has not yet fully hardened, it is susceptible to the pull caused by the contraction of the thigh muscles. Repeated sporting activity, without allowing the bone to rest and adapt, leads to inflammation of the Tibial Tuberosity - this is what causes the symptoms of pain and swelling.
In some cases the pull of the strong thigh muscles on the immature bone can actually pull the Tibial Tuberosity away from the shinbone. This is called an avulsion fracture. Sometimes the initial inflammation may be as a result of trauma such as a kick to the Tibial Tuberosity, that leads to Osgood Schlatters.
Once Osgood Schlatters has established itself symptoms can persist for in excess of a year. Rest from sporting activities is usually adequate to resolve the condition but the return to activity must be supervised and progressed by a chartered physiotherapist in order to minimize the chances of a recurrence.
Pain is the most obvious symptom. It is painful to touch the area of the Tibial Tuberosity and there is pain during sporting activity. The Tibial Tuberosity can become enlarged in some cases. Once Osgood Schlatters has established itself it is very difficult to get rid of. It may not resolve itself until the bone has fully matured at around the age of sixteen.
|Consult a sports injury expert|
|Apply ice packs/cold therapy|
|Wear a knee strap for protection|
|Use pain relief gel|
Anti-inflammatory drugs and corticosteroid injections are not recommended for this age group. Some clinicians advocate complete immobilisation in a plaster cast, but this is highly impractical and can cause other problems. Complete rest is the only treatment strategy that is universally recommended. This rest must be of sufficient duration to allow the painful tenderness of the Tibial Tuberosity to fully resolve. Ice Packs to relieve pain can be effective during this period.
After resting, the Tibial Tuberosity should be pain free when touched. Following a pain-free period the patient should begin a gradual progression of exercise under the supervision of a physiotherapist. This is the best way to ensure that there is no recurrence of the patient's symptoms.
On returning to sporting activity many people find that a Knee Strap can help to avoid a recurrence of Osgood Schlatters. The knee strap fits around the Patella Tendon and is custom tightened using Velcro. The resultant pressure is directed to the Patella Tendon region. This comfortable pressure limits the cross sectional area of the Patella Tendon, thus reducing the force that is transmitted through the tendon to the Tibial Tuberosity. This 'off-loading' reduces the strain on the tendon which helps to relieve the symptoms of Patella Tendon problems and Osgood Schlatter's disease.
Because treatment during the active phase of Osgood Schlatters is very difficult, it is important that young athletes and coaches do all they can to avoid getting the condition in the first place. For this reason the following strategies should be undertaken in a bid to reduce the chances of suffering from Osgood Schlatters: